{"id":2139,"date":"2023-04-28T13:56:29","date_gmt":"2023-04-28T04:56:29","guid":{"rendered":"https:\/\/edu.ujhb.org\/?p=2139"},"modified":"2023-04-28T13:56:30","modified_gmt":"2023-04-28T04:56:30","slug":"kotlin%e5%85%a5%e9%96%80%ef%bc%88%e6%97%a5%e6%9c%ac%e8%aa%9e%e7%89%88%ef%bc%89","status":"publish","type":"post","link":"https:\/\/edu.ujhb.org\/?p=2139","title":{"rendered":"Kotlin\u5165\u9580\uff08\u65e5\u672c\u8a9e\u7248\uff09"},"content":{"rendered":"\n<p>\u30ec\u30f3\u30b9\u3068\u3057\u3066\u4f7f\u7528\u3067\u304d\u308b Kotlin \u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u6982\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Kotlin\u306e\u7d39\u4ecb\u3068\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\n<ul class=\"wp-block-list\">\n<li>Kotlin\u306e\u6b74\u53f2\u3068\u5f37\u307f<\/li>\n\n\n\n<li>Kotlin \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u958b\u767a\u74b0\u5883\u3092\u69cb\u6210\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u57fa\u672c\u6587\u6cd5\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u306e\u7a2e\u985e<\/li>\n\n\n\n<li>\u5909\u6570\u3068\u5b9a\u6570<\/li>\n\n\n\n<li>\u30aa\u30da\u30ec\u30fc\u30bf\u30fc<\/li>\n\n\n\n<li>\u5236\u5fa1\u30d5\u30ed\u30fc \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u95a2\u6570\n<ul class=\"wp-block-list\">\n<li>\u95a2\u6570\u306e\u5b9a\u7fa9\u3068\u547c\u3073\u51fa\u3057<\/li>\n\n\n\n<li>\u95a2\u6570\u30d1\u30e9\u30e1\u30fc\u30bf<\/li>\n\n\n\n<li>\u623b\u308a\u5024<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30af\u30e9\u30b9\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\n<ul class=\"wp-block-list\">\n<li>\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u3068\u4f7f\u7528\u6cd5<\/li>\n\n\n\n<li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4f5c\u6210\u3068\u4f7f\u7528<\/li>\n\n\n\n<li>\u7d99\u627f\u3068\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30e9\u30e0\u30c0\u5f0f\u3068\u9ad8\u968e\u95a2\u6570\n<ul class=\"wp-block-list\">\n<li>\u30e9\u30e0\u30c0\u5f0f\u306e\u57fa\u672c\u69cb\u6587<\/li>\n\n\n\n<li>\u9ad8\u968e\u95a2\u6570\u306e\u5b9a\u7fa9\u3068\u4f7f\u3044\u65b9<\/li>\n\n\n\n<li>\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u6982\u5ff5\u3068\u30d1\u30e9\u30c0\u30a4\u30e0<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u62e1\u5f35\u6a5f\u80fd\u3068\u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\n<ul class=\"wp-block-list\">\n<li>\u62e1\u5f35\u6a5f\u80fd\u306e\u5b9a\u7fa9\u3068\u4f7f\u7528<\/li>\n\n\n\n<li>\u62e1\u5f35\u5c5e\u6027\u306e\u5b9a\u7fa9\u3068\u4f7f\u7528<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u3068\u30b7\u30fc\u30eb \u30af\u30e9\u30b9\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u3068\u4f7f\u7528<\/li>\n\n\n\n<li>\u30b7\u30fc\u30eb \u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u3068\u4f7f\u7528<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\n<ul class=\"wp-block-list\">\n<li>\u30b8\u30a7\u30cd\u30ea\u30c3\u30af \u30af\u30e9\u30b9\u3068\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u95a2\u6570\u306e\u5b9a\u7fa9\u3068\u4f7f\u7528<\/li>\n\n\n\n<li>\u4e0a\u4e0b\u754c\u9650\u5b9a<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u4f8b\u5916\u51e6\u7406\n<ul class=\"wp-block-list\">\n<li>\u57fa\u672c\u7684\u306a\u8003\u3048\u65b9\u3068\u4f8b\u5916\u51e6\u7406<\/li>\n\n\n\n<li>\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30b3\u30eb\u30fc\u30c1\u30f3\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u57fa\u672c\u6982\u5ff5\u3068\u4f7f\u3044\u65b9<\/li>\n\n\n\n<li>\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u3068\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30a2\u30a6\u30c8\u30e9\u30a4\u30f3\u306f\u4e00\u4f8b\u3067\u3059\u3002\u5b9f\u969b\u306e\u30cb\u30fc\u30ba\u306b\u5fdc\u3058\u3066\u3001\u30d3\u30c7\u30aa \u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3068\u5bfe\u8c61\u8996\u8074\u8005\u306b\u5408\u308f\u305b\u3066\u8abf\u6574\u304a\u3088\u3073\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin\u306e\u6b74\u53f2\u3068\u5229\u70b9\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u306f\u9759\u7684\u306b\u578b\u4ed8\u3051\u3055\u308c\u305f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u3042\u308a\u3001JetBrains \u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u305f\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0 \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u3042\u308a\u3001Java \u4eee\u60f3\u30de\u30b7\u30f3\u3001JavaScript\u3001\u30cd\u30a4\u30c6\u30a3\u30d6 \u30b3\u30fc\u30c9\u306a\u3069\u306e\u8907\u6570\u306e\u30bf\u30fc\u30b2\u30c3\u30c8 \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002Kotlin \u306f 2011 \u5e74\u306b\u6700\u521d\u306b\u5c0e\u5165\u3055\u308c\u3001Java \u8a00\u8a9e\u304c\u4e0d\u5341\u5206\u306a\u3044\u304f\u3064\u304b\u306e\u9818\u57df\u306b\u5bfe\u51e6\u3057\u307e\u3057\u305f\u3002Kotlin \u306e\u6b74\u53f2\u3068\u5f37\u307f\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6b74\u53f2\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2011 \u5e74\u3001JetBrains \u306e\u30c1\u30fc\u30e0\u306f Kotlin \u306e\u958b\u767a\u3092\u958b\u59cb\u3057\u307e\u3057\u305f\u3002<\/li>\n\n\n\n<li>2016 \u5e74\u3001Kotlin \u306f\u6700\u521d\u306e\u5b89\u5b9a\u30d0\u30fc\u30b8\u30e7\u30f3 1.0 \u3092\u30ea\u30ea\u30fc\u30b9\u3057\u3001\u30aa\u30fc\u30d7\u30f3 \u30bd\u30fc\u30b9\u306b\u3057\u307e\u3057\u305f\u3002<\/li>\n\n\n\n<li>2017 \u5e74\u3001Google \u306f Kotlin \u3092 Android \u306e\u516c\u5f0f\u958b\u767a\u8a00\u8a9e\u306e 1 \u3064\u3068\u3057\u3066\u767a\u8868\u3057\u307e\u3057\u305f\u3002<\/li>\n\n\n\n<li>2019 \u5e74\u306b Kotlin 1.3 \u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3001\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u30b5\u30dd\u30fc\u30c8\u304c\u8ffd\u52a0\u3055\u308c\u3001Kotlin \u306e\u4e26\u884c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u6a5f\u80fd\u304c\u3055\u3089\u306b\u5f37\u5316\u3055\u308c\u307e\u3057\u305f\u3002<\/li>\n\n\n\n<li>2021 \u5e74\u672b\u306e\u6642\u70b9\u3067\u3001Kotlin \u306f\u30d0\u30fc\u30b8\u30e7\u30f3 1.5.0 \u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3001\u6025\u901f\u306b\u958b\u767a\u304a\u3088\u3073\u62e1\u5f35\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u30a2\u30c9\u30d0\u30f3\u30c6\u30fc\u30b8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8aad\u307f\u3084\u3059\u3055: Kotlin \u306e\u69cb\u6587\u8a2d\u8a08\u306f\u8aad\u307f\u3084\u3059\u3055\u3092\u91cd\u8996\u3057\u3066\u304a\u308a\u3001\u30b3\u30fc\u30c9\u306e\u7406\u89e3\u3068\u4fdd\u5b88\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002Kotlin \u306f\u3001\u8aad\u307f\u3084\u3059\u3055\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u3001\u30b3\u30fc\u30c9\u3092\u3088\u308a\u7c21\u6f54\u3067\u30b3\u30f3\u30d1\u30af\u30c8\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>Null \u30dd\u30a4\u30f3\u30bf\u30fc\u4f8b\u5916\u306e\u5b89\u5168\u6027: Kotlin \u306b\u306f\u3001null \u5024\u306e\u51e6\u7406\u306b\u95a2\u3059\u308b\u53b3\u683c\u306a\u5236\u9650\u3068\u5b89\u5168\u6027\u30c1\u30a7\u30c3\u30af\u304c\u3042\u308a\u3001null \u30dd\u30a4\u30f3\u30bf\u30fc\u4f8b\u5916\u306e\u30ea\u30b9\u30af\u304c\u5927\u5e45\u306b\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>Java \u3068\u306e\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u3084\u308a\u53d6\u308a: Kotlin \u306f Java \u30b3\u30fc\u30c9\u3068\u3046\u307e\u304f\u3084\u308a\u53d6\u308a\u3067\u304d\u3001Java \u30af\u30e9\u30b9 \u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u76f4\u63a5\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u9ad8\u3044\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3: Kotlin \u306e\u578b\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u4e2d\u306b\u3044\u304f\u3064\u304b\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 \u30a8\u30e9\u30fc\u3092\u30ad\u30e3\u30c3\u30c1\u3067\u304d\u308b\u305f\u3081\u3001\u30b3\u30fc\u30c9\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u7c21\u6f54\u6027\u304c\u9ad8\u3044: Kotlin \u306f\u8868\u73fe\u529b\u304c\u9ad8\u304f\u3001\u8a00\u8a9e\u6a5f\u80fd (\u62e1\u5f35\u95a2\u6570\u3001\u30e9\u30e0\u30c0\u5f0f\u3001\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306a\u3069) \u306b\u3088\u3063\u3066\u30b3\u30fc\u30c9\u3092\u3088\u308a\u7c21\u6f54\u3067\u7406\u89e3\u3057\u3084\u3059\u304f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3068\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u7d44\u307f\u5408\u308f\u305b: Kotlin \u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3068\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u4e21\u65b9\u3092\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u308b\u305f\u3081\u3001\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u6027\u3068\u4fdd\u5b88\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u8907\u6570\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u30b5\u30dd\u30fc\u30c8: Kotlin \u306f\u3001Java \u4eee\u60f3\u30de\u30b7\u30f3\u3001Android\u3001JavaScript\u3001\u30cd\u30a4\u30c6\u30a3\u30d6 \u30b3\u30fc\u30c9\u306a\u3069\u3092\u542b\u3080\u8907\u6570\u306e\u30bf\u30fc\u30b2\u30c3\u30c8 \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u7528\u306e\u30b3\u30fc\u30c9\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u3067\u304d\u3001\u30af\u30ed\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u30b5\u30dd\u30fc\u30c8\u3082\u5145\u5b9f\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u8981\u3059\u308b\u306b, Kotlin \u306f\u591a\u304f\u306e\u5229\u70b9\u3092\u6301\u3064\u65b0\u3057\u3044\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u3059. \u958b\u767a\u8005\u304c\u3088\u308a\u5b89\u5168\u3067\u52b9\u7387\u7684\u3067\u8aad\u307f\u3084\u3059\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059. \u307e\u305f\u3001\u8907\u6570\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u898b\u901a\u3057\u304c\u826f\u597d\u3067\u3059.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u958b\u767a\u74b0\u5883\u306e\u8a2d\u5b9a\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u6559\u3048\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u3001\u6b21\u306e\u624b\u9806\u306b\u5206\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Kotlin \u30b3\u30f3\u30d1\u30a4\u30e9\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b: Kotlin \u516c\u5f0f Web \u30b5\u30a4\u30c8<a href=\"https:\/\/kotlinlang.org\/\">https:\/\/kotlinlang.org\/<\/a>\u304b\u3089Kotlin \u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u5727\u7e2e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>Kotlin Compiler \u3092\u89e3\u51cd\u3057\u307e\u3059\u3002\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f tarball \u3092\u6307\u5b9a\u3057\u305f\u30d5\u30a9\u30eb\u30c0\u30fc\u306b\u89e3\u51cd\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>Kotlin \u74b0\u5883\u5909\u6570\u306e\u69cb\u6210: \u89e3\u51cd\u3055\u308c\u305f Kotlin \u30b3\u30f3\u30d1\u30a4\u30e9\u304c\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b\u30d1\u30b9\u3092\u30b7\u30b9\u30c6\u30e0\u306e\u74b0\u5883\u5909\u6570\u306b\u8ffd\u52a0\u3057\u3066\u3001\u30b3\u30de\u30f3\u30c9 \u30e9\u30a4\u30f3\u3067 Kotlin \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u958b\u767a\u74b0\u5883\u306e\u69cb\u6210\u306f\u3001\u6b21\u306e\u624b\u9806\u306b\u5206\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Java \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb: Kotlin \u306f Java \u4eee\u60f3\u30de\u30b7\u30f3\u3067\u5b9f\u884c\u3055\u308c\u308b\u305f\u3081\u3001\u6700\u521d\u306b Java \u30e9\u30f3\u30bf\u30a4\u30e0\u74b0\u5883\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Java\u306f\u516c\u5f0f\u30b5\u30a4\u30c8\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u7d71\u5408\u958b\u767a\u74b0\u5883 (IDE) \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b: Kotlin \u306f\u3001IntelliJ IDEA\u3001Android Studio\u3001Eclipse \u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a IDE \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002Kotlin \u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u69cb\u6210\u3059\u308b IDE \u3092\u9078\u629e\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>Kotlin \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b: IDE \u3067 Kotlin \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u30b3\u30f3\u30bd\u30fc\u30eb \u30d7\u30ed\u30b0\u30e9\u30e0\u3001GUI \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u307e\u305f\u306f Android \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3092\u9078\u629e\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>Kotlin \u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u69cb\u6210: IDE \u3067 Kotlin \u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u69cb\u6210\u3057\u307e\u3059\u3002Kotlin \u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3001Java \u30e9\u30f3\u30bf\u30a4\u30e0\u74b0\u5883\u3001\u4f9d\u5b58\u30e9\u30a4\u30d6\u30e9\u30ea\u306a\u3069\u3092\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>Kotlin \u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3059\u308b: Kotlin \u3067\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3059\u308b\u3068\u3001Java \u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u547c\u3073\u51fa\u3057\u3066\u3001Kotlin \u306e\u8a00\u8a9e\u6a5f\u80fd\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3064\u307e\u308a\u3001Kotlin \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u958b\u767a\u74b0\u5883\u3092\u69cb\u6210\u3059\u308b\u306b\u306f\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3068\u89e3\u51cd\u3001Java \u30e9\u30f3\u30bf\u30a4\u30e0\u74b0\u5883\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3001IDE \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3001Kotlin \u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u69cb\u6210\u306a\u3069\u3001\u3044\u304f\u3064\u304b\u306e\u6e96\u5099\u4f5c\u696d\u304c\u5fc5\u8981\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u624b\u9806\u306b\u3088\u308a\u3001\u4f7f\u7528\u3092\u958b\u59cb\u3067\u304d\u307e\u3059\u3002\u30b9\u30e0\u30fc\u30ba\u306b\u958b\u767a\u3067\u304d\u308bKotlin\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u306e\u30c7\u30fc\u30bf\u578b\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u3068\u30c7\u30fc\u30bf\u578b\u306b\u306f\u3001\u6b21\u306e\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u578b: Kotlin \u306f\u3001\u6570\u5024\u578b (Byte\u3001Short\u3001Int\u3001Long\u3001Float\u3001Double)\u3001\u30d6\u30fc\u30eb\u578b (Boolean)\u3001\u6587\u5b57\u578b (Char)\u3001\u6587\u5b57\u5217\u578b (String) \u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u30c7\u30fc\u30bf\u578b\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u4e2d\u3067\u3001\u6570\u5024\u578b\u306f\u6574\u6570\u578b\u3068\u6d6e\u52d5\u5c0f\u6570\u70b9\u578b\u306b\u5206\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5909\u6570\u3068\u5b9a\u6570: Kotlin \u3067\u306f\u3001\u5909\u6570\u306f var \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5ba3\u8a00\u3067\u304d\u3001\u5b9a\u6570\u306f val \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5ba3\u8a00\u3067\u304d\u307e\u3059\u3002\u5909\u6570\u3068\u5b9a\u6570\u306e\u578b\u306f\u3001\u660e\u793a\u7684\u306b\u5ba3\u8a00\u3059\u308b\u304b\u3001\u4ee3\u5165\u306e\u5185\u5bb9\u304b\u3089\u63a8\u6e2c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6f14\u7b97\u5b50: Kotlin \u306f\u3001\u7b97\u8853\u6f14\u7b97\u5b50\u3001\u6bd4\u8f03\u6f14\u7b97\u5b50\u3001\u8ad6\u7406\u6f14\u7b97\u5b50\u3001\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u6f14\u7b97\u5b50\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u6f14\u7b97\u5b50\u306f\u3001\u4ed6\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3068\u540c\u69d8\u306e\u65b9\u6cd5\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5236\u5fa1\u30d5\u30ed\u30fc \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8: Kotlin \u306f\u3001if-else \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3001when \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3001for \u30eb\u30fc\u30d7\u3001while \u30eb\u30fc\u30d7\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u5236\u5fa1\u30d5\u30ed\u30fc \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u3055\u307e\u3056\u307e\u306a\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u3055\u307e\u3056\u307e\u306a\u64cd\u4f5c\u3084\u6c7a\u5b9a\u3092\u5b9f\u884c\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u5404\u30c7\u30fc\u30bf\u578b\u306e\u7279\u5fb4\u3068\u4f7f\u7528\u6cd5\u306b\u3064\u3044\u3066\u3001\u4ee5\u4e0b\u3067\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u756a\u53f7\u30bf\u30a4\u30d7:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6574\u6570\u578b: Kotlin \u306b\u306f\u3001Byte\u3001Short\u3001Int\u3001Long \u306e 4 \u3064\u306e\u6574\u6570\u578b\u304c\u7528\u610f\u3055\u308c\u3066\u304a\u308a\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u6570\u5b57\u3068\u5024\u306e\u7bc4\u56f2\u3092\u8868\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001Byte \u578b\u306e\u5024\u306e\u7bc4\u56f2\u306f -128 \uff5e 127 \u3067\u3059\u3002<\/li>\n\n\n\n<li>\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306e\u578b: Kotlin \u306f 2 \u3064\u306e\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306e\u578b\u3092\u63d0\u4f9b\u3057\u307e\u3059: Float \u3068 Double \u306f\u3001\u305d\u308c\u305e\u308c\u5358\u7cbe\u5ea6\u3068\u500d\u7cbe\u5ea6\u306e\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3092\u8868\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001Double \u578b\u306f\u6709\u52b9\u6570\u5b57 15 \uff5e 16 \u6841\u306e\u7cbe\u5ea6\u3092\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u30d6\u30fc\u30eb\u578b: Kotlin \u306e\u30d6\u30fc\u30eb\u578b\u306b\u306f\u3001true \u3068 false \u306e 2 \u3064\u306e\u5024\u3057\u304b\u306a\u304f\u3001\u8ad6\u7406 true \u3068\u8ad6\u7406 false \u3092\u8868\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6587\u5b57\u578b: Kotlin \u306e\u6587\u5b57\u578b Char \u306f Unicode \u6587\u5b57\u3092\u8868\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001\u5358\u4e00\u5f15\u7528\u7b26 (&#8216; &#8216;) \u306f\u4ee3\u5165\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001Char \u578b\u306e\u5909\u6570\u306f\u3001\u6587\u5b57\u3001\u6570\u5b57\u3001\u53e5\u8aad\u70b9\u306a\u3069\u3092\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6587\u5b57\u5217\u578b: Kotlin \u306e\u6587\u5b57\u5217\u578b String \u306f\u30c6\u30ad\u30b9\u30c8\u3092\u8868\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001\u4ee3\u5165\u306b\u306f\u4e8c\u91cd\u5f15\u7528\u7b26 (&#8221; &#8220;) \u307e\u305f\u306f 3 \u3064\u306e\u4e8c\u91cd\u5f15\u7528\u7b26 (&#8220;&#8221;&#8221; &#8220;&#8221;&#8221;) \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6587\u5b57\u5217\u578b\u306e\u5909\u6570\u306f\u3001\u5358\u8a9e\u3001\u6587\u3001\u6bb5\u843d\u306a\u3069\u3092\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3064\u307e\u308a\u3001Kotlin \u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u3068\u30c7\u30fc\u30bf\u578b\u306b\u306f\u3001\u6570\u5024\u578b\u3001\u30d6\u30fc\u30eb\u578b\u3001\u6587\u5b57\u578b\u3001\u304a\u3088\u3073\u6587\u5b57\u5217\u578b\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u578b\u3092\u4f7f\u7528\u3057\u3066\u3001\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u30c7\u30fc\u30bf\u3092\u8868\u3057\u3001\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u64cd\u4f5c\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u3001\u5909\u6570\u3068\u5b9a\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u578b\u3092\u683c\u7d0d\u304a\u3088\u3073\u64cd\u4f5c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin\u306e\u57fa\u672c\u69cb\u6587\u306e\u5909\u6570\u3068\u5b9a\u6570\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u6559\u3048\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u306e\u5909\u6570\u3068\u5b9a\u6570\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u57fa\u672c\u5358\u4f4d\u3067\u3059\u3002Kotlin \u3067\u306f\u3001\u5909\u6570\u306f var \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5ba3\u8a00\u3067\u304d\u3001\u5b9a\u6570\u306f val \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5ba3\u8a00\u3067\u304d\u307e\u3059\u3002\u5909\u6570\u3068\u5b9a\u6570\u306e\u8a73\u7d30\u306a\u8aac\u660e\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5909\u6570: Kotlin \u306e\u5909\u6570\u306f var \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5ba3\u8a00\u3055\u308c\u3001\u305d\u306e\u5024\u306f\u4ee3\u5165\u306b\u3088\u3063\u3066\u5909\u66f4\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u6574\u6570\u5909\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>var age: Int = 20\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u5909\u6570\u540d\u306f age\u3001\u578b\u306f Int\u3001\u521d\u671f\u5024\u306f 20 \u3067\u3059\u3002\u5909\u6570\u306e\u5024\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u4e2d\u306b\u5909\u5316\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066 age \u5909\u6570\u306e\u5024\u3092 21 \u306b\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">makefile\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>age = 21\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u5b9a\u6570: Kotlin \u306e\u5b9a\u6570\u306f val \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5ba3\u8a00\u3055\u308c\u3001\u4e00\u5ea6\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u3068\u3001\u305d\u308c\u3089\u306e\u5024\u3092\u518d\u5ea6\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u6587\u5b57\u5217\u5b9a\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">arduino\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc<code>val name: String = \"John\"\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u5b9a\u6570\u540d\u306f name\u3001\u578b\u306f String\u3001\u521d\u671f\u5024\u306f\u300cJohn\u300d\u3067\u3059\u3002\u3053\u308c\u306f\u5b9a\u6570\u3067\u3042\u308b\u305f\u3081\u3001\u5024\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">arduino\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc<code>name = \"Mike\" \/\/ \u8fd9\u91cc\u4f1a\u7f16\u8bd1\u9519\u8bef\n<\/code><\/pre>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u3067\u306f\u3001\u5909\u6570\u306f var \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5ba3\u8a00\u3055\u308c\u3001\u5b9a\u6570\u306f val \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5ba3\u8a00\u3055\u308c\u307e\u3059\u3002\u5909\u6570\u306f\u4ee3\u5165\u306b\u3088\u3063\u3066\u5024\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u304c\u3001\u5b9a\u6570\u306e\u5024\u306f\u4e00\u5ea6\u4ee3\u5165\u3059\u308b\u3068\u518d\u5ea6\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u3001\u5909\u6570\u307e\u305f\u306f\u5b9a\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u304a\u3088\u3073\u64cd\u4f5c\u3059\u308b\u3053\u3068\u3092\u9078\u629e\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u6f14\u7b97\u5b50\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u6f14\u7b97\u5b50\u306b\u306f\u3001\u7b97\u8853\u6f14\u7b97\u5b50\u3001\u6bd4\u8f03\u6f14\u7b97\u5b50\u3001\u8ad6\u7406\u6f14\u7b97\u5b50\u3001\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u3001\u304a\u3088\u3073\u4ee3\u5165\u6f14\u7b97\u5b50\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6f14\u7b97\u5b50\u306e\u8a73\u7d30\u306a\u8aac\u660e\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7b97\u8853\u6f14\u7b97\u5b50: Kotlin \u306e\u7b97\u8853\u6f14\u7b97\u5b50\u306b\u306f\u3001\u52a0\u7b97 (+)\u3001\u6e1b\u7b97 (-)\u3001\u4e57\u7b97 (*)\u3001\u9664\u7b97 (\/)\u3001\u5270\u4f59 (%) \u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001Kotlin \u3067\u7b97\u8853\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">less\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc<code>val a = 10\nval b = 5\nval c = a + b \/\/ 15\nval d = a - b \/\/ 5\nval e = a * b \/\/ 50\nval f = a \/ b \/\/ 2\nval g = a % b \/\/ 0\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u6bd4\u8f03\u6f14\u7b97\u5b50: Kotlin \u306e\u6bd4\u8f03\u6f14\u7b97\u5b50\u306b\u306f\u3001\u7b49\u3057\u3044 (==)\u3001\u7b49\u3057\u304f\u306a\u3044 (!=)\u3001\u3088\u308a\u5927\u304d\u3044 (&gt;)\u3001\u3088\u308a\u5c0f\u3055\u3044 (&lt;)\u3001\u3088\u308a\u5927\u304d\u3044\u304b\u7b49\u3057\u3044 (&gt;=)\u3001\u304a\u3088\u3073\u3088\u308a\u5c0f\u3055\u3044\u304b\u7b49\u3057\u3044(&lt;=) \u306a\u3069\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001Kotlin \u3067\u306e\u6bd4\u8f03\u6f14\u7b97\u5b50\u306e\u4f7f\u7528\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">css\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc<code>val a = 10\nval b = 5\nval c = (a == b) \/\/ false\nval d = (a != b) \/\/ true\nval e = (a &gt; b) \/\/ true\nval f = (a &lt; b) \/\/ false\nval g = (a &gt;= b) \/\/ true\nval h = (a &lt;= b) \/\/ false\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u8ad6\u7406\u6f14\u7b97\u5b50: Kotlin \u306e\u8ad6\u7406\u6f14\u7b97\u5b50\u306b\u306f\u3001AND (&amp;&amp;)\u3001OR (||)\u3001NOT (!) \u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001Kotlin \u3067\u306e\u8ad6\u7406\u6f14\u7b97\u5b50\u306e\u4f7f\u7528\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">java\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc<code>val a = true\nval b = false\nval c = (a &amp;&amp; b) \/\/ false\nval d = (a || b) \/\/ true\nval e = !a \/\/ false\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50: Kotlin \u306e\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306b\u306f\u3001\u30d3\u30c3\u30c8 AND (&amp;)\u3001\u30d3\u30c3\u30c8 OR (|)\u3001\u30d3\u30c3\u30c8\u6392\u4ed6 OR (^)\u3001\u30d3\u30c3\u30c8\u5426\u5b9a (~)\u3001\u5de6\u30b7\u30d5\u30c8 (&lt;&lt;)\u3001\u53f3\u30b7\u30d5\u30c8 (&gt;&gt;) \u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001Kotlin \u3067\u306e\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306e\u4f7f\u7528\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">less\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc<code>val a = 0b1100\nval b = 0b1010\nval c = a and b \/\/ 0b1000\nval d = a or b \/\/ 0b1110\nval e = a xor b \/\/ 0b0110\nval f = a.inv() \/\/ 0b0011\nval g = a shl 2 \/\/ 0b110000\nval h = a shr 2 \/\/ 0b0011\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u4ee3\u5165\u6f14\u7b97\u5b50: Kotlin \u306e\u4ee3\u5165\u6f14\u7b97\u5b50\u306b\u306f\u3001\u7b49\u53f7 (=) \u3068\u3001\u4ed6\u306e\u7b97\u8853\u6f14\u7b97\u5b50\u3068\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001Kotlin \u3067\u4ee3\u5165\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">css\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc<code>var a = 10\na += 5 \/\/ \u7b49\u4ef7\u4e8e a = a + 5\uff0ca \u7684\u503c\u53d8\u4e3a 15\na -= 3 \/\/ \u7b49\u4ef7\u4e8e a = a - 3\uff0ca \u7684\u503c\u53d8\u4e3a 12\na *= 2\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u7d9a\u3051\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\/\/ a = a * 2 \u3068\u540c\u7b49\u3001a \u306e\u5024\u306f 24 \u306b\u306a\u308a\u307e\u3059 a \/= 4 \/\/ a = a \/ 4 \u3068\u540c\u7b49\u3001a \u306e\u5024\u306f 6 \u306b\u306a\u308a\u307e\u3059 a %= 3 \/\/ a = a % 3 \u3068\u540c\u7b49\u3001 a \u306e\u5024\u306f 0 a \u304a\u3088\u3073 2 \u306b\u306a\u308a\u307e\u3059 \/\/ a = a \u304a\u3088\u3073 2 \u3068\u540c\u7b49\u3067\u3059\u3002a \u306e\u5024\u306f 0 a \u307e\u305f\u306f 3 \u306b\u306a\u308a\u307e\u3059\u3002 \/\/ a = a \u307e\u305f\u306f 3 \u3068\u540c\u7b49\u3067\u3059\u3002a \u306e\u5024\u306f 3 a xor 1 \/ \u306b\u306a\u308a\u307e\u3059\u3002 \/ a = a xor 1 \u3068\u540c\u7b49\u3001a \u306e\u5024\u306f 2 \u306b\u306a\u308a\u307e\u3059 a shl 1 \/\/ a = a shl 1 \u3068\u540c\u7b49\u3001a \u306e\u5024\u306f 4 \u306b\u306a\u308a\u307e\u3059 a shr 2 \/\/ a = a shr 2 \u3068\u540c\u7b49\u3001\u306e\u5024a\u304c1\u306b\u306a\u308b<\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u3067\u306f\u3001\u7b97\u8853\u6f14\u7b97\u5b50\u3001\u6bd4\u8f03\u6f14\u7b97\u5b50\u3001\u8ad6\u7406\u6f14\u7b97\u5b50\u3001\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u3001\u4ee3\u5165\u6f14\u7b97\u5b50\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u6f14\u7b97\u5b50\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6f14\u7b97\u5b50\u306f\u3001\u4ed6\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3068\u540c\u69d8\u306e\u65b9\u6cd5\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u3055\u307e\u3056\u307e\u306a\u8a08\u7b97\u3084\u64cd\u4f5c\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin\u306e\u57fa\u672c\u69cb\u6587\u5236\u5fa1\u30d5\u30ed\u30fc\u6587\u3092\u8a73\u3057\u304f\u6559\u3048\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u306e\u5236\u5fa1\u30d5\u30ed\u30fc \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306b\u306f\u3001\u6761\u4ef6\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3068\u30eb\u30fc\u30d7 \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u8a73\u7d30\u306a\u8aac\u660e\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6761\u4ef6\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>if-else \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8: Kotlin \u306e if-else \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u3055\u307e\u3056\u307e\u306a\u30b3\u30fc\u30c9 \u30d6\u30ed\u30c3\u30af\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002if-else \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">vbnet\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>if (condition) {\n    \/\/ code to be executed if condition is true\n} else {\n    \/\/ code to be executed if condition is false\n}\n<\/code><\/pre>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f if-else \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u4f7f\u7528\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">css\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc<code>val a = 10\nval b = 5\n\nif (a &gt; b) {\n    println(\"a is greater than b\")\n} else {\n    println(\"a is not greater than b\")\n}\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>when \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8: Kotlin \u306e when \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f switch \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306b\u4f3c\u3066\u304a\u308a\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u3055\u307e\u3056\u307e\u306a\u30b3\u30fc\u30c9 \u30d6\u30ed\u30c3\u30af\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002when \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">\u9306\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9<code>when (value) {\n    option1 -&gt; \/\/ code to be executed if value is equal to option1\n    option2 -&gt; \/\/ code to be executed if value is equal to option2\n    else -&gt; \/\/ code to be executed if value is not equal to any of the options\n}\n<\/code><\/pre>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f when \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u4f7f\u7528\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">go\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9<code>val x = 2\n\nwhen (x) {\n    1 -&gt; println(\"x is 1\")\n    2 -&gt; println(\"x is 2\")\n    3 -&gt; println(\"x is 3\")\n    else -&gt; println(\"x is not 1, 2 or 3\")\n}\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u30eb\u30fc\u30d7\u6587:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>for \u30eb\u30fc\u30d7: Kotlin \u306e for \u30eb\u30fc\u30d7\u306f\u3001\u914d\u5217\u307e\u305f\u306f\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u5185\u306e\u8981\u7d20\u3092\u53cd\u5fa9\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002for \u30eb\u30fc\u30d7\u306e\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">scss\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>for (item in collection) {\n    \/\/ code to be executed for each item in the collection\n}\n<\/code><\/pre>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f for \u30eb\u30fc\u30d7\u306e\u4f7f\u7528\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">scss\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>val numbers = arrayOf(1, 2, 3, 4, 5)\n\nfor (number in numbers) {\n    println(number)\n}\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>while \u30eb\u30fc\u30d7: Kotlin \u306e while \u30eb\u30fc\u30d7\u306f\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u304c true \u306e\u9593\u3001\u30b3\u30fc\u30c9\u306e\u30d6\u30ed\u30c3\u30af\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002while \u30eb\u30fc\u30d7\u306e\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\">vbnet\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>while (condition) {\n    \/\/ code to be executed while condition is true\n}\n<\/code><\/pre>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f while \u30eb\u30fc\u30d7\u306e\u4f7f\u7528\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">scss\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>var x = 1\n\nwhile (x &lt;= 10) {\n    println(x)\n    x++\n}\n<\/code><\/pre>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u3067\u306f\u3001\u5236\u5fa1\u30d5\u30ed\u30fc \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306b\u306f\u6761\u4ef6\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3068\u30eb\u30fc\u30d7 \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30b3\u30fc\u30c9 \u30d6\u30ed\u30c3\u30af\u3092\u5b9f\u884c\u3057\u305f\u308a\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u306b\u5f93\u3063\u3066\u30b3\u30fc\u30c9 \u30d6\u30ed\u30c3\u30af\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3057\u305f\u308a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001\u3055\u307e\u3056\u307e\u306a\u30ed\u30b8\u30c3\u30af\u3068\u6a5f\u80fd\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin\u306e\u5b9a\u7fa9\u3068\u547c\u3073\u51fa\u3057\u95a2\u6570\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u3067\u306f\u3001\u95a2\u6570\u306f\u7279\u5b9a\u306e\u30bf\u30b9\u30af\u307e\u305f\u306f\u64cd\u4f5c\u3092\u5b9f\u884c\u3059\u308b\u5b9f\u884c\u53ef\u80fd\u306a\u30b3\u30fc\u30c9\u3067\u3059\u3002Kotlin \u3067\u306e\u95a2\u6570\u5b9a\u7fa9\u306f\u3001\u95a2\u6570\u540d\u3001\u95a2\u6570\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3001\u95a2\u6570\u672c\u4f53\u3001\u304a\u3088\u3073\u623b\u308a\u5024\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002Kotlin \u3067\u306e\u95a2\u6570\u306e\u5b9a\u7fa9\u3068\u547c\u3073\u51fa\u3057\u306e\u8a73\u7d30\u306a\u8aac\u660e\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u95a2\u6570\u3092\u5b9a\u7fa9\u3059\u308b: Kotlin \u3067\u306f fun \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3059. \u95a2\u6570\u5b9a\u7fa9\u306b\u306f\u3001\u95a2\u6570\u540d\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc \u30ea\u30b9\u30c8\u3001\u95a2\u6570\u672c\u4f53\u3001\u304a\u3088\u3073\u623b\u308a\u5024\u306e\u578b (\u30aa\u30d7\u30b7\u30e7\u30f3) \u304c\u542b\u307e\u308c\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u30012 \u3064\u306e\u6574\u6570\u306e\u5408\u8a08\u3092\u8a08\u7b97\u3059\u308b sum \u3068\u3044\u3046\u540d\u524d\u306e\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>fun sum(a: Int, b: Int): Int {\n    return a + b\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u95a2\u6570\u306f sum \u3068\u547c\u3070\u308c\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc \u30ea\u30b9\u30c8\u306f a \u3068 b \u3067\u3001\u3069\u3061\u3089\u3082 Int \u578b\u3067\u3001\u95a2\u6570\u672c\u4f53\u306f a + b \u3067\u3001\u623b\u308a\u5024\u306e\u578b\u306f Int \u3067\u3059\u3002\u95a2\u6570\u672c\u4f53\u304c 1 \u884c\u306e\u30b3\u30fc\u30c9\u306e\u307f\u306e\u5834\u5408\u306f\u3001\u7c21\u7565\u5316\u3055\u308c\u305f\u69cb\u6587\u3092\u4f7f\u7528\u3067\u304d\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>fun sum(a: Int, b: Int) = a + b\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u95a2\u6570\u306e\u547c\u3073\u51fa\u3057: Kotlin \u3067\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u306b\u306f\u3001\u95a2\u6570\u540d\u3068\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc \u30ea\u30b9\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u4e0a\u3067\u5b9a\u7fa9\u3057\u305f sum \u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>val a = 10\nval b = 5\nval result = sum(a, b)\nprintln(\"The sum of $a and $b is $result\")\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u5909\u6570 a \u3068 b \u3092\u5f15\u6570\u3068\u3057\u3066\u95a2\u6570 sum \u304c\u547c\u3073\u51fa\u3055\u308c\u3001\u8a08\u7b97\u306e\u7d50\u679c\u304c\u7d50\u679c\u5909\u6570\u306b\u683c\u7d0d\u3055\u308c\u3001\u7d50\u679c\u304c\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u3067\u306f\u3001\u95a2\u6570\u306f fun \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5b9a\u7fa9\u3055\u308c\u3001\u95a2\u6570\u540d\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc \u30ea\u30b9\u30c8\u3001\u95a2\u6570\u672c\u4f53\u3001\u304a\u3088\u3073\u623b\u308a\u5024\u306e\u578b (\u30aa\u30d7\u30b7\u30e7\u30f3) \u304c\u542b\u307e\u308c\u307e\u3059\u3002\u95a2\u6570\u306e\u547c\u3073\u51fa\u3057\u306b\u306f\u3001\u95a2\u6570\u540d\u3068\u5f15\u6570\u30ea\u30b9\u30c8\u304c\u5fc5\u8981\u3067\u3059\u3002\u95a2\u6570\u306e\u6a5f\u80fd\u306f\u3001\u7279\u5b9a\u306e\u30bf\u30b9\u30af\u307e\u305f\u306f\u64cd\u4f5c\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u3042\u308a\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u8907\u96d1\u306a\u30ed\u30b8\u30c3\u30af\u3068\u6a5f\u80fd\u3092\u5b9f\u73fe\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin\u95a2\u6570\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u3067\u306f\u3001\u95a2\u6570\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u3001\u30c7\u30fc\u30bf\u307e\u305f\u306f\u5024\u3092\u95a2\u6570\u672c\u4f53\u306b\u6e21\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u95a2\u6570\u5b9a\u7fa9\u306e\u4e00\u90e8\u3067\u3059\u3002\u95a2\u6570\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u6301\u3064\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306e\u306a\u3044\u30d1\u30e9\u30e1\u30fc\u30bf\u306e 2 \u3064\u306e\u30ab\u30c6\u30b4\u30ea\u306b\u5206\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002Kotlin \u306e\u95a2\u6570\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u8a73\u7d30\u306a\u8aac\u660e\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u6301\u3064\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc: Kotlin \u3067\u306f\u3001\u95a2\u6570\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u6307\u5b9a\u3067\u304d\u308b\u305f\u3081\u3001\u95a2\u6570\u304c\u547c\u3073\u51fa\u3055\u308c\u305f\u3068\u304d\u306b\u3053\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u6e21\u3059\u3053\u3068\u306f\u3067\u304d\u305a\u3001\u3053\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u6301\u3064\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u3001\u95a2\u6570\u5b9a\u7fa9\u3067\u6307\u5b9a\u3059\u308b\u304b\u3001\u95a2\u6570\u547c\u3073\u51fa\u3057\u3067\u7701\u7565\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u30012 \u3064\u306e\u6574\u6570\u3092\u4e57\u7b97\u3057\u30012 \u756a\u76ee\u306e\u5f15\u6570\u306e\u65e2\u5b9a\u5024\u304c 1 \u3067\u3042\u308b\u3001multiply \u3068\u3044\u3046\u540d\u524d\u306e\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>fun multiply(a: Int, b: Int = 1): Int {\n    return a * b\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u95a2\u6570\u540d\u306fmultiply\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc \u30ea\u30b9\u30c8\u306f a \u3068 b \u3067\u3001\u3069\u3061\u3089\u3082 Int \u578b\u3001\u95a2\u6570\u672c\u4f53\u306f a * b\u3001\u623b\u308a\u5024\u306e\u578b\u306f Int \u3067\u3059\u30022 \u756a\u76ee\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc b \u306f\u3001\u65e2\u5b9a\u5024\u306e 1 \u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u6709\u52b9\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">css\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc<code>val a = 10\nval result = multiply(a)\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u30012 \u756a\u76ee\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc b \u304c\u7701\u7565\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u65e2\u5b9a\u5024\u306e 1 \u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306e\u306a\u3044\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc: Kotlin \u306e\u95a2\u6570\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u6307\u5b9a\u3057\u306a\u3044\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u95a2\u6570\u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u3068\u304d\u306b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u5024\u3092\u6e21\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u6307\u5b9a\u3055\u308c\u305f\u4eba\u306b\u6328\u62f6\u3059\u308b greeting \u3068\u3044\u3046\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>fun greet(name: String) {\n    println(\"Hello, $name!\")\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u95a2\u6570\u540d\u306fgreet\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc \u30ea\u30b9\u30c8\u306f\u540d\u524d\u3001\u578b\u306f\u6587\u5b57\u5217\u3001\u95a2\u6570\u672c\u4f53\u306f\u6328\u62f6\u3092\u51fa\u529b\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u30d1\u30e9\u30e1\u30fc\u30bf\u540d\u306b\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u304c\u306a\u3044\u305f\u3081\u3001\u95a2\u6570\u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u3068\u304d\u306b\u3053\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u5024\u3092\u6e21\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">java\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc<code>val name = \"John\"\ngreet(name)\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u5909\u6570\u540d\u306e\u5024\u3092\u5f15\u6570\u3068\u3057\u3066\u6e21\u3057\u3066\u3001greet \u95a2\u6570\u304c\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u3067\u306f\u3001\u95a2\u6570\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u6307\u5b9a\u3057\u306a\u3044\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u95a2\u6570\u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u3068\u304d\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u6301\u3064\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u7701\u7565\u3067\u304d\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306e\u306a\u3044\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306b\u306f\u3001\u95a2\u6570\u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u3068\u304d\u306b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u5024\u3092\u6e21\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u95a2\u6570\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u3001\u95a2\u6570\u306e\u5b9f\u884c\u6642\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30c7\u30fc\u30bf\u307e\u305f\u306f\u5024\u3092\u6e21\u3059\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin\u95a2\u6570\u306e\u623b\u308a\u5024\u3092\u8a73\u3057\u304f\u6559\u3048\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u3067\u306f\u3001\u95a2\u6570\u306e\u623b\u308a\u5024\u3092\u4f7f\u7528\u3057\u3066\u3001\u8a08\u7b97\u306e\u7d50\u679c\u3092\u95a2\u6570\u306e\u547c\u3073\u51fa\u3057\u5143\u306b\u8fd4\u3057\u307e\u3059\u3002\u95a2\u6570\u306e\u623b\u308a\u5024\u306e\u578b\u306f\u3001\u57fa\u672c\u7684\u306a\u30c7\u30fc\u30bf\u578b\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3001\u914d\u5217\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306a\u3069\u3092\u542b\u3080\u4efb\u610f\u306e\u578b\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002Kotlin \u3067\u306e\u95a2\u6570\u306e\u623b\u308a\u5024\u306e\u8a73\u7d30\u306a\u8aac\u660e\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5358\u4e00\u306e\u5024\u3092\u8fd4\u3059: Kotlin \u306e\u95a2\u6570\u306f\u3001return \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5358\u4e00\u306e\u5024\u3092\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u30012 \u3064\u306e\u6574\u6570\u3092\u52a0\u7b97\u3057\u3066\u305d\u306e\u5408\u8a08\u3092\u8fd4\u3059 sum \u3068\u3044\u3046\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>fun sum(a: Int, b: Int): Int {\n    return a + b\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u95a2\u6570\u306f sum \u3068\u547c\u3070\u308c\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc \u30ea\u30b9\u30c8\u306f a \u3068 b \u3067\u3001\u3069\u3061\u3089\u3082 Int \u578b\u3067\u3001\u95a2\u6570\u672c\u4f53\u306f a + b \u3067\u3001\u623b\u308a\u5024\u306e\u578b\u306f Int \u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u8907\u6570\u306e\u5024\u3092\u8fd4\u3059: Kotlin \u3067\u306f\u3001\u95a2\u6570\u306f Pair\u3001Triple\u3001\u307e\u305f\u306f\u30ab\u30b9\u30bf\u30e0 \u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306a\u3069\u306e\u30c7\u30fc\u30bf\u578b\u3092\u4f7f\u7528\u3057\u3066\u8907\u6570\u306e\u5024\u3092\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u4eba\u306e\u540d\u524d\u3068\u5e74\u9f62\u3092\u542b\u3080 Pair \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3059 getPersonInfo \u3068\u3044\u3046\u540d\u524d\u306e\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>fun getPersonInfo(): Pair&lt;String, Int&gt; {\n    val name = \"John\"\n    val age = 30\n    return Pair(name, age)\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u95a2\u6570\u540d\u306f getPersonInfo \u3067\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u95a2\u6570\u672c\u4f53\u306f\u5909\u6570\u540d\u3068\u5e74\u9f62\u3092\u5b9a\u7fa9\u3057\u3001Pair \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u5024\u3092\u8fd4\u3055\u306a\u3044: Kotlin \u3067\u306f\u5024\u3092\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u95a2\u6570\u3067\u3042\u308a\u3001\u3053\u306e\u3088\u3046\u306a\u95a2\u6570\u3092\u623b\u308a\u5024\u306e\u306a\u3044\u95a2\u6570\u3068\u547c\u3073\u3001Unit \u578b\u3067\u8868\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u6307\u5b9a\u3055\u308c\u305f\u4eba\u7269\u306b\u6328\u62f6\u3059\u308b\u304c\u5024\u3092\u8fd4\u3055\u306a\u3044\u3001greet \u3068\u3044\u3046\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>fun greet(name: String) {\n    println(\"Hello, $name!\")\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u95a2\u6570\u540d\u306f greeting\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc \u30ea\u30b9\u30c8\u306f name\u3001\u578b\u306f String\u3001\u95a2\u6570\u672c\u4f53\u306f\u6328\u62f6\u3092\u51fa\u529b\u3059\u308b\u3053\u3068\u3067\u3059\u304c\u3001\u623b\u308a\u5024\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u3067\u306f\u3001\u95a2\u6570\u306e\u623b\u308a\u5024\u3092\u4f7f\u7528\u3057\u3066\u3001\u95a2\u6570\u306e\u547c\u3073\u51fa\u3057\u5143\u306b\u8a08\u7b97\u306e\u7d50\u679c\u3092\u8fd4\u3057\u307e\u3059\u3002\u95a2\u6570\u306e\u623b\u308a\u5024\u306e\u578b\u306f\u3001\u57fa\u672c\u7684\u306a\u30c7\u30fc\u30bf\u578b\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3001\u914d\u5217\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306a\u3069\u3092\u542b\u3080\u4efb\u610f\u306e\u578b\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u95a2\u6570\u306f\u3001\u5358\u4e00\u306e\u5024\u3001\u8907\u6570\u306e\u5024\u3001\u307e\u305f\u306f\u5024\u3092\u8fd4\u3055\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u304c\u7570\u306a\u308b\u30c7\u30fc\u30bf\u578b\u3092\u4f7f\u7528\u3057\u3066\u8868\u3055\u308c\u307e\u3059\u3002\u95a2\u6570\u5b9a\u7fa9\u3067\u306f\u3001return \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u8a08\u7b97\u7d50\u679c\u3092\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin\u30af\u30e9\u30b9\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u3068\u4f7f\u3044\u65b9\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u3067\u306f\u3001\u30af\u30e9\u30b9\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u52d5\u4f5c\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u62bd\u8c61\u30c7\u30fc\u30bf\u578b\u3067\u3059\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u72b6\u614b\u3068\u52d5\u4f5c\u3092\u542b\u3080\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u3059\u3002Kotlin \u3067\u306e\u30af\u30e9\u30b9\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5b9a\u7fa9\u3068\u4f7f\u7528\u306e\u8a73\u7d30\u306a\u8aac\u660e\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3059\u308b: Kotlin \u3067\u306f\u3001\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u306f\u3001\u30af\u30e9\u30b9\u540d\u3001\u30af\u30e9\u30b9 \u30d8\u30c3\u30c0\u30fc\u3001\u304a\u3088\u3073\u30af\u30e9\u30b9\u672c\u4f53\u3092\u542b\u3080 class \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30af\u30e9\u30b9 \u30d8\u30c3\u30c0\u30fc\u306b\u306f\u3001\u30af\u30e9\u30b9\u540d\u3001\u30af\u30e9\u30b9\u306e\u30d7\u30e9\u30a4\u30de\u30ea \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3001\u304a\u3088\u3073\u30af\u30e9\u30b9\u306e\u30bb\u30ab\u30f3\u30c0\u30ea \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc (\u30aa\u30d7\u30b7\u30e7\u30f3) \u304c\u542b\u307e\u308c\u307e\u3059\u3002\u30af\u30e9\u30b9\u672c\u4f53\u306b\u306f\u3001\u30af\u30e9\u30b9\u306e\u5c5e\u6027\u3068\u30e1\u30bd\u30c3\u30c9\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001name \u3068\u3044\u3046\u540d\u524d\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068 sayHello \u3068\u3044\u3046\u540d\u524d\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u542b\u3080 Person \u3068\u3044\u3046\u540d\u524d\u306e\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>class Person(name: String) {\n    var name: String = name\n\n    fun sayHello() {\n        println(\"Hello, my name is $name\")\n    }\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u30af\u30e9\u30b9\u306e\u540d\u524d\u306f Person \u3067\u3001\u30af\u30e9\u30b9\u306e\u30d7\u30e9\u30a4\u30de\u30ea \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306b\u306f name \u3068\u3044\u3046\u540d\u524d\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u306f\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306e name \u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3067\u521d\u671f\u5316\u3055\u308c\u308b name \u3068\u3044\u3046\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u3053\u306e\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u306b\u306f\u3001\u6328\u62f6\u3092\u51fa\u529b\u3059\u308b sayHello \u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4f5c\u6210: Kotlin \u3067\u306f\u3001\u30af\u30e9\u30b9\u540d\u3068\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc \u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3001\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001john \u3068\u3044\u3046\u540d\u524d\u306e Person \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">java\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc<code>val john = Person(\"John\")\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001Person \u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3068\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u300cJohn\u300d\u3092\u4f7f\u7528\u3057\u3066\u3001john \u3068\u3044\u3046\u540d\u524d\u306e Person \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u64cd\u4f5c: Kotlin \u3067\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u72b6\u614b\u3068\u52d5\u4f5c\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u305d\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5909\u66f4\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u4e0a\u3067\u4f5c\u6210\u3057\u305f john \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scss\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>println(john.name)\njohn.sayHello()\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3055\u308c\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d john \u3092\u4f7f\u7528\u3057\u3066\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30e1\u30bd\u30c3\u30c9 sayHello \u3092\u547c\u3073\u51fa\u3057\u3066\u3001\u6328\u62f6\u3092\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u3067\u306f\u3001\u30af\u30e9\u30b9\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u52d5\u4f5c\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u62bd\u8c61\u30c7\u30fc\u30bf\u578b\u3067\u3059\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u72b6\u614b\u3068\u52d5\u4f5c\u3092\u542b\u3080\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u3059\u3002Kotlin \u3067\u306f\u3001class \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30af\u30e9\u30b9\u540d\u3001\u30af\u30e9\u30b9 \u30d8\u30c3\u30c0\u30fc\u3001\u304a\u3088\u3073\u30af\u30e9\u30b9\u672c\u4f53\u3092\u542b\u3080\u30af\u30e9\u30b9\u304c\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u30af\u30e9\u30b9\u540d\u3068\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf \u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u3066\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u72b6\u614b\u3068\u52d5\u4f5c\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin\u30af\u30e9\u30b9\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4f5c\u6210\u3068\u4f7f\u7528\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u3067\u306f\u3001\u30af\u30e9\u30b9\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30af\u30e9\u30b9\u306e\u4e21\u65b9\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u3042\u308a\u3001\u30af\u30e9\u30b9\u306b\u3088\u3063\u3066\u5b9a\u7fa9\u3055\u308c\u305f\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3061\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001Kotlin \u3067\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4f5c\u6210\u3068\u30af\u30e9\u30b9\u304a\u3088\u3073\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30af\u30e9\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5\u306e\u8a73\u7d30\u306a\u8aac\u660e\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b: \u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Kotlin \u3067\u306f\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306f\u30d7\u30e9\u30a4\u30de\u30ea\u307e\u305f\u306f\u30bb\u30ab\u30f3\u30c0\u30ea\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30d7\u30e9\u30a4\u30de\u30ea \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306f\u30af\u30e9\u30b9 \u30d8\u30c3\u30c0\u30fc\u306e\u4e00\u90e8\u3067\u3042\u308a\u3001\u30bb\u30ab\u30f3\u30c0\u30ea \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306f\u30af\u30e9\u30b9\u672c\u4f53\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u95a2\u6570\u3067\u3059\u3002\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u30b5\u30f3\u30d7\u30eb \u30b3\u30fc\u30c9\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>class Person(val name: String) {\n    fun greet() {\n        println(\"Hello, my name is $name\")\n    }\n}\n\nval john = Person(\"John\")\njohn.greet()\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001Person \u3068\u3044\u3046\u540d\u524d\u306e\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u3001name \u3068\u3044\u3046\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u3001greet \u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002\u3092\u4f7f\u7528\u3057\u3066 john \u3068\u3044\u3046\u540d\u524d\u306e Person \u30aa\u30d6\u30b8\u30a7\u30af\u30c8<code>val john = Person(\"John\")<\/code>\u3092\u4f5c\u6210\u3057\u3001<code>john.greet()<\/code>\u3092\u4f7f\u7528\u3057\u3066\u305d\u306egreet \u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b: \u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30af\u30e9\u30b9\u306f\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092 1 \u3064\u3060\u3051\u6301\u3061\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u6642\u306b\u4f5c\u6210\u3055\u308c\u308b\u7279\u5225\u306a\u30af\u30e9\u30b9\u3067\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u30b5\u30f3\u30d7\u30eb \u30b3\u30fc\u30c9\u3067\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>object Logger {\n    fun log(message: String) {\n        println(\"[LOG] $message\")\n    }\n}\n\nLogger.log(\"Hello, world!\")\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001log \u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3064 Logger \u3068\u3044\u3046\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002<code>Logger.log(\"Hello, world!\")<\/code>\u305d\u306e log \u30e1\u30bd\u30c3\u30c9\u3092 \u3067\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u3067\u306f\u3001\u30af\u30e9\u30b9\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30af\u30e9\u30b9\u306e\u4e21\u65b9\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30d7\u30e9\u30a4\u30de\u30ea \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u307e\u305f\u306f\u30bb\u30ab\u30f3\u30c0\u30ea \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u540d\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u72b6\u614b\u3068\u52d5\u4f5c\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u305d\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin\u30af\u30e9\u30b9\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30af\u30e9\u30b9\u306e\u7d99\u627f\u3068\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u3067\u306f\u3001\u30af\u30e9\u30b9\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30af\u30e9\u30b9\u306f\u3001\u7d99\u627f\u3068\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066\u65e2\u5b58\u306e\u30af\u30e9\u30b9\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30af\u30e9\u30b9\u3092\u62e1\u5f35\u3067\u304d\u307e\u3059\u3002\u7d99\u627f\u306f\u3001\u65e2\u5b58\u306e\u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3064\u65b0\u3057\u3044\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3068\u306f\u3001\u7570\u306a\u308b\u30bf\u30a4\u30d7\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u540c\u3058\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u52d5\u4f5c\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002Kotlin \u306b\u304a\u3051\u308b\u30af\u30e9\u30b9\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30af\u30e9\u30b9\u306e\u7d99\u627f\u3068\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u306e\u8a73\u7d30\u306a\u8aac\u660e\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7d99\u627f: Kotlin \u3067\u306f\u3001\u30af\u30e9\u30b9\u304c\u5225\u306e\u30af\u30e9\u30b9\u304b\u3089\u7d99\u627f\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3059\u305f\u3081\u306b\u30b3\u30ed\u30f3 (:) \u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u30b5\u30d6\u30af\u30e9\u30b9\u3067\u306f\u3001\u89aa\u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u3001\u89aa\u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u7d99\u627f\u3092\u4f7f\u7528\u3057\u3066\u30b5\u30d6\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3059\u308b\u30b5\u30f3\u30d7\u30eb \u30b3\u30fc\u30c9\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>open class Animal(val name: String) {\n    open fun makeSound() {\n        println(\"The animal is making a sound\")\n    }\n}\n\nclass Dog(name: String) : Animal(name) {\n    override fun makeSound() {\n        println(\"The dog is barking\")\n    }\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001name \u3068\u3044\u3046\u30d7\u30ed\u30d1\u30c6\u30a3\u3068 makeSound \u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u3092\u542b\u3080 Animal \u3068\u3044\u3046\u89aa\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002<code>open<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u3053\u306e\u30af\u30e9\u30b9\u3092\u7d99\u627f\u3067\u304d\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002\u307e\u305f\u3001Animal \u30af\u30e9\u30b9\u304b\u3089\u7d99\u627f\u3057\u3001makeSound \u3068\u3044\u3046\u540d\u524d\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u542b\u3080 Dog \u3068\u3044\u3046\u540d\u524d\u306e\u30b5\u30d6\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<code>override<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001 Animal \u30af\u30e9\u30b9\u306e makeSound \u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0: Kotlin \u3067\u306f\u3001\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3068\u306f\u3001\u7570\u306a\u308b\u578b\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u540c\u3058\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3067\u52d5\u4f5c\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u4ecb\u3057\u3066\u3055\u307e\u3056\u307e\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30bb\u30c3\u30c8\u3092\u64cd\u4f5c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3059\u3079\u3066\u540c\u3058\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u5b9f\u88c5\u3057\u3066\u3044\u307e\u3059\u3002\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u30b5\u30f3\u30d7\u30eb \u30b3\u30fc\u30c9\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>interface Shape {\n    fun draw()\n}\n\nclass Circle : Shape {\n    override fun draw() {\n        println(\"Drawing a circle\")\n    }\n}\n\nclass Rectangle : Shape {\n    override fun draw() {\n        println(\"Drawing a rectangle\")\n    }\n}\n\nfun main() {\n    val shapes = arrayOf(Circle(), Rectangle())\n\n    for (shape in shapes) {\n        shape.draw()\n    }\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001draw \u3068\u3044\u3046\u540d\u524d\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u542b\u3080 Shape \u3068\u3044\u3046\u540d\u524d\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002\u307e\u305f\u3001Shape \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u5b9f\u88c5\u3059\u308b 2 \u3064\u306e\u30af\u30e9\u30b9 Circle \u3068 Rectangle \u3082\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u30e1\u30a4\u30f3\u95a2\u6570\u3067\u306f\u3001Circle \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068 Rectangle \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u542b\u3080\u914d\u5217\u3092\u4f5c\u6210\u3057\u3001\u914d\u5217\u5185\u306e\u5404\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u3001\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066\u63cf\u753b\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u3067\u306f\u3001\u7d99\u627f\u3068\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066\u65e2\u5b58\u306e\u30af\u30e9\u30b9\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u30af\u30e9\u30b9\u3092\u62e1\u5f35\u3067\u304d\u307e\u3059\u3002\u7d99\u627f\u306f\u3001\u65e2\u5b58\u306e\u30af\u30e9\u30b9\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3064\u65b0\u3057\u3044\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3068\u306f\u3001\u7570\u306a\u308b\u30bf\u30a4\u30d7\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u540c\u3058\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u52d5\u4f5c\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002\u7d99\u627f\u3068\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066\u3001\u518d\u5229\u7528\u53ef\u80fd\u306a\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3057\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3068\u4fdd\u5b88\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin\u306e\u30e9\u30e0\u30c0\u5f0f\u3068\u9ad8\u968e\u95a2\u6570\u306e\u30e9\u30e0\u30c0\u5f0f\u306e\u57fa\u672c\u69cb\u6587\u3092\u8a73\u3057\u304f\u6559\u3048\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u3067\u306f\u3001Lambda \u5f0f\u306f\u533f\u540d\u95a2\u6570\u3067\u3042\u308a\u3001\u4ed6\u306e\u95a2\u6570\u306b\u6e21\u3057\u305f\u308a\u3001\u5909\u6570\u306b\u683c\u7d0d\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002\u9ad8\u968e\u95a2\u6570\u306f\u30011 \u3064\u4ee5\u4e0a\u306e Lambda \u5f0f\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u53d7\u3051\u5165\u308c\u308b\u304b\u3001Lambda \u5f0f\u3092\u8fd4\u3059\u95a2\u6570\u3067\u3059\u3002\u4ee5\u4e0b\u306f\u3001Kotlin \u3067\u306e Lambda \u5f0f\u3068\u9ad8\u968e\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Lambda \u5f0f\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587: Lambda \u5f0f\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u306f\u3001\u4e2d\u304b\u3063\u3053\u3067\u56f2\u307e\u308c\u305f\u95a2\u6570\u672c\u4f53\u3068\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc \u30ea\u30b9\u30c8\u306e\u30bb\u30c3\u30c8\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002\u30e9\u30e0\u30c0\u5f0f\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc \u30ea\u30b9\u30c8\u3068\u623b\u308a\u5024\u306e\u578b\u306f\u3001\u63a8\u8ad6\u307e\u305f\u306f\u660e\u793a\u7684\u306b\u5ba3\u8a00\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306f 2 \u3064\u306e\u6574\u6570\u3092\u53d6\u308a\u3001\u305d\u308c\u3089\u306e\u5408\u8a08\u3092\u8fd4\u3059 Lambda \u5f0f\u3067\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>val sum = { a: Int, b: Int -&gt; a + b }\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u30012 \u3064\u306e\u6574\u6570\u3092\u53d6\u308a\u3001\u305d\u308c\u3089\u306e\u5408\u8a08\u3092\u8fd4\u3059 Lambda \u5f0f\u3092\u542b\u3080 sum \u3068\u3044\u3046\u5909\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc \u30ea\u30b9\u30c8\u306b\u306f 2 \u3064\u306e\u6574\u6570\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc a \u3068 b \u304c\u542b\u307e\u308c\u3001\u623b\u308a\u5024\u306e\u578b\u306f\u6574\u6570\u3067\u3059\u3002\u95a2\u6570\u306e\u672c\u4f53\u306f a + b \u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u9ad8\u968e\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587: Kotlin \u3067\u306f\u3001\u9ad8\u968e\u95a2\u6570\u306f\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066 1 \u3064\u4ee5\u4e0a\u306e Lambda \u5f0f\u3092\u53d7\u3051\u53d6\u308b\u304b\u3001Lambda \u5f0f\u3092\u8fd4\u3059\u95a2\u6570\u3067\u3059\u3002Lambda \u5f0f\u3092\u5f15\u6570\u3068\u3057\u3066\u53d7\u3051\u5165\u308c\u308b\u9ad8\u968e\u95a2\u6570\u306e\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>fun calculate(a: Int, b: Int, operation: (Int, Int) -&gt; Int): Int {\n    return operation(a, b)\n}\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u30012 \u3064\u306e\u6574\u6570 a \u3068 b \u3092\u53d7\u3051\u53d6\u308b calculate \u3068\u3044\u3046\u95a2\u6570\u3068\u30013 \u756a\u76ee\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066 operation \u3068\u3044\u3046 Lambda \u5f0f\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u30e9\u30e0\u30c0\u5f0f\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc \u30ea\u30b9\u30c8\u3068\u623b\u308a\u5024\u306e\u578b\u306f 2 \u3064\u306e\u6574\u6570\u3067\u3042\u308a\u3001\u6574\u6570\u3092\u8fd4\u3057\u307e\u3059\u3002\u95a2\u6570\u672c\u4f53\u306f operation \u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u547c\u3073\u51fa\u3057\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066 a \u3068 b \u3092\u6e21\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306e\u3088\u3046\u306b\u3001Lambda \u5f0f\u3092\u4f7f\u7528\u3057\u3066 calculate \u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">css\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc<code>val result = calculate(10, 20) { a, b -&gt; a + b }\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u64cd\u4f5c\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066<code>{ a, b -&gt; a + b }<\/code>\u6307\u5b9a\u3055\u308c\u305f\u3002\u3053\u306e Lambda \u5f0f\u306f\u30012 \u3064\u306e\u6574\u6570\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc a \u3068 b \u3092\u53d6\u308a\u3001\u305d\u308c\u3089\u306e\u5408\u8a08\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u3067\u306f\u3001Lambda \u5f0f\u306f\u3001\u4ed6\u306e\u95a2\u6570\u306b\u6e21\u3057\u305f\u308a\u3001\u5909\u6570\u306b\u683c\u7d0d\u3057\u305f\u308a\u3067\u304d\u308b\u533f\u540d\u95a2\u6570\u3067\u3059\u3002\u9ad8\u968e\u95a2\u6570\u306f\u30011 \u3064\u4ee5\u4e0a\u306e Lambda \u5f0f\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u53d7\u3051\u5165\u308c\u308b\u304b\u3001Lambda \u5f0f\u3092\u8fd4\u3059\u95a2\u6570\u3067\u3059\u3002\u30e9\u30e0\u30c0\u5f0f\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u306f\u3001\u4e2d\u304b\u3063\u3053\u3067\u56f2\u307e\u308c\u305f\u95a2\u6570\u672c\u4f53\u3068\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc \u30ea\u30b9\u30c8\u306e\u30bb\u30c3\u30c8\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002\u9ad8\u968e\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u306f\u30011 \u3064\u4ee5\u4e0a\u306e Lambda \u5f0f\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u53d7\u3051\u53d6\u308b\u304b\u3001Lambda \u5f0f\u3092\u8fd4\u3059\u95a2\u6570\u5b9a\u7fa9\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin Lambda \u5f0f\u3068\u9ad8\u968e\u95a2\u6570\u306e\u5b9a\u7fa9\u3068\u4f7f\u3044\u65b9\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u3067\u306f\u3001\u9ad8\u968e\u95a2\u6570\u3068\u306f\u30011 \u3064\u4ee5\u4e0a\u306e Lambda \u5f0f\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u53d7\u3051\u53d6\u308b\u304b\u3001Lambda \u5f0f\u3092\u8fd4\u3059\u95a2\u6570\u3067\u3059\u3002\u9ad8\u968e\u95a2\u6570\u306f\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3068\u4fdd\u5b88\u6027\u3092\u5411\u4e0a\u3055\u305b\u3001\u30c7\u30fc\u30bf\u306e\u4ee3\u308f\u308a\u306b\u52d5\u4f5c\u3092\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001Kotlin \u3067\u306e\u9ad8\u968e\u95a2\u6570\u306e\u5b9a\u7fa9\u3068\u4f7f\u7528\u306e\u8a73\u7d30\u306a\u8aac\u660e\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9ad8\u968e\u95a2\u6570\u306e\u5b9a\u7fa9: \u9ad8\u968e\u95a2\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u306b\u306f\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066 1 \u3064\u4ee5\u4e0a\u306e Lambda \u5f0f\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3092\u4f7f\u7528\u3057\u3066\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u306a\u3044 Lambda \u5f0f<code>() -&gt; Unit<\/code>\u3092\u793a\u3057\u305f\u308a\u3001<code>(T) -&gt; R<\/code>\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u304c 1 \u3064\u3042\u308b Lambda \u5f0f\u3092\u793a\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u9ad8\u968e\u95a2\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u306e\u30b5\u30f3\u30d7\u30eb \u30b3\u30fc\u30c9\u3067\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>fun &lt;T, R&gt; List&lt;T&gt;.map(transform: (T) -&gt; R): List&lt;R&gt; {\n    val result = mutableListOf&lt;R&gt;()\n    for (item in this) {\n        result.add(transform(item))\n    }\n    return result\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001List \u578b\u3092\u62e1\u5f35\u3057\u3001<code>(T) -&gt; R<\/code>\u578b\u3002\u95a2\u6570\u306e\u672c\u4f53\u3067 for \u30eb\u30fc\u30d7\u3092\u4f7f\u7528\u3057\u3066\u3001\u30ea\u30b9\u30c8\u5185\u306e\u5404\u8981\u7d20\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u3001\u6e21\u3055\u308c\u305f Lambda \u5f0f\u3092\u5404\u8981\u7d20\u306b\u9069\u7528\u3057\u3001\u7d50\u679c\u3092\u7d50\u679c\u30ea\u30b9\u30c8\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u9ad8\u968e\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b: \u9ad8\u968e\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c7\u30fc\u30bf\u306e\u4ee3\u308f\u308a\u306b\u52d5\u4f5c\u3092\u6e21\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001Lambda \u5f0f\u3092 map \u95a2\u6570\u306b\u6e21\u3057\u3066\u3001\u9069\u7528\u3059\u308b\u5909\u63db\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u9ad8\u968e\u95a2\u6570\u3092\u4f7f\u7528\u3057\u305f\u30b5\u30f3\u30d7\u30eb \u30b3\u30fc\u30c9\u3067\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scss\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>val numbers = listOf(1, 2, 3, 4, 5)\nval squares = numbers.map { it * it }\nprintln(squares)\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u4e00\u9023\u306e\u6574\u6570\u3092\u542b\u3080\u3001numbers \u3068\u3044\u3046\u540d\u524d\u306e\u30ea\u30b9\u30c8\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002<code>numbers.map { it * it }<\/code>map \u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3066<code>{ it * it }<\/code>\u3001\u6574\u6570\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u53d6\u308a\u3001\u305d\u306e 2 \u4e57\u5024\u3092\u8fd4\u3059 Lambda \u5f0f\u3092\u6e21\u3057\u307e\u3059\u3002<code>map<\/code>\u95a2\u6570\u306f<code>numbers<\/code>list\u3001\u305d\u308c\u3089\u3092\u5909\u63db\u306e\u305f\u3081\u306b Lambda \u5f0f\u306b\u6e21\u3057\u3001\u5909\u63db\u3055\u308c\u305f\u7d50\u679c\u3092<code>squares<\/code>\u5909\u6570\u306b\u8fd4\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001<code>squares<\/code>\u5909\u6570\u3002<\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u3067\u306f\u3001\u9ad8\u968e\u95a2\u6570\u3068\u306f\u30011 \u3064\u4ee5\u4e0a\u306e Lambda \u5f0f\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u53d7\u3051\u53d6\u308b\u304b\u3001Lambda \u5f0f\u3092\u8fd4\u3059\u95a2\u6570\u3067\u3059\u3002\u9ad8\u968e\u95a2\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u306b\u306f\u30011 \u3064\u4ee5\u4e0a\u306e Lambda \u5f0f\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u6307\u5b9a\u3057\u3001\u305d\u306e\u578b\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u9ad8\u968e\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u306e\u4ee3\u308f\u308a\u306b\u52d5\u4f5c\u3092\u6e21\u3057\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3068\u4fdd\u5b88\u6027\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin Lambda \u5f0f\u3068\u9ad8\u968e\u95a2\u6570\u306e\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u6982\u5ff5\u3068\u30d1\u30e9\u30c0\u30a4\u30e0\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306f\u3001\u95a2\u6570\u3092\u57fa\u672c\u7684\u306a\u30d3\u30eb\u30c7\u30a3\u30f3\u30b0 \u30d6\u30ed\u30c3\u30af\u3068\u3057\u3066\u4f7f\u7528\u3057\u3001\u305d\u308c\u3089\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3088\u308a\u8907\u96d1\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3059\u308b\u3053\u3068\u3092\u4e3b\u306a\u30a2\u30a4\u30c7\u30a2\u3068\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 \u30d1\u30e9\u30c0\u30a4\u30e0\u3067\u3059\u3002\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u306f\u3001\u95a2\u6570\u306f\u3001\u5909\u6570\u306e\u3088\u3046\u306b\u6e21\u3057\u3066\u4f7f\u7528\u3057\u3001\u4ed6\u306e\u95a2\u6570\u304b\u3089\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u7b2c\u4e00\u7d1a\u5e02\u6c11\u3067\u3059\u3002\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 \u30d1\u30e9\u30c0\u30a4\u30e0\u306e\u76ee\u7684\u306f\u3001\u526f\u4f5c\u7528\u3092\u8efd\u6e1b\u3057\u3001\u30b3\u30fc\u30c9\u306e\u8aad\u307f\u3084\u3059\u3055\u3068\u4fdd\u5b88\u6027\u3092\u5411\u4e0a\u3055\u305b\u3001\u4e26\u884c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u7c21\u7d20\u5316\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30e9\u30e0\u30c0\u5f0f\u3068\u9ad8\u968e\u95a2\u6570\u306f\u3001Kotlin \u3067\u306e\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u91cd\u8981\u306a\u90e8\u5206\u3067\u3059\u3002Kotlin \u3067\u306e\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u6982\u5ff5\u3068\u30d1\u30e9\u30c0\u30a4\u30e0\u306e\u8a73\u7d30\u306a\u8aac\u660e\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e0d\u5909\u6027: \u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306f\u4e0d\u5909\u6027\u3092\u91cd\u8996\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u4e2d\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u72b6\u614b\u306f\u5909\u5316\u3057\u307e\u305b\u3093\u3002Kotlin \u3067\u306f\u3001<code>val<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3002\u4f8b\u3048\u3070\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scss\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>val list = listOf(1, 2, 3, 4, 5)\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>val<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u4e00\u9023\u306e\u6574\u6570\u3092\u542b\u3080 list \u3068\u3044\u3046\u4e0d\u5909\u30ea\u30b9\u30c8\u3092\u5ba3\u8a00\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u7d14\u7c8b\u306a\u95a2\u6570: \u7d14\u7c8b\u306a\u95a2\u6570\u306f\u3001\u526f\u4f5c\u7528\u306e\u306a\u3044\u95a2\u6570\u3067\u3042\u308a\u3001\u305d\u306e\u7d50\u679c\u306f\u5165\u529b\u306b\u3088\u3063\u3066\u306e\u307f\u6c7a\u5b9a\u3055\u308c\u3001\u4ed6\u306e\u5909\u6570\u3084\u72b6\u614b\u306b\u306f\u5f71\u97ff\u3057\u307e\u305b\u3093\u3002Kotlin \u3067\u306f\u3001<code>fun<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3002\u4f8b\u3048\u3070\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>fun add(a: Int, b: Int): Int {\n    return a + b\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u30012 \u3064\u306e\u6574\u6570\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc a \u3068 b \u3092\u53d6\u308a\u3001\u305d\u308c\u3089\u306e\u5408\u8a08\u3092\u8fd4\u3059 add \u3068\u3044\u3046\u540d\u524d\u306e\u7d14\u7c8b\u306a\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u9ad8\u968e\u95a2\u6570: \u9ad8\u968e\u95a2\u6570\u306f\u30011 \u3064\u4ee5\u4e0a\u306e Lambda \u5f0f\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3068\u3057\u3066\u53d7\u3051\u5165\u308c\u308b\u304b\u3001Lambda \u5f0f\u3092\u8fd4\u3059\u95a2\u6570\u3067\u3059\u3002Kotlin \u3067\u306f\u3001\u9ad8\u968e\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u3088\u308a\u7c21\u6f54\u3067\u8aad\u307f\u3084\u3059\u3044\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>fun &lt;T, R&gt; List&lt;T&gt;.map(transform: (T) -&gt; R): List&lt;R&gt; {\n    val result = mutableListOf&lt;R&gt;()\n    for (item in this) {\n        result.add(transform(item))\n    }\n    return result\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>(T) -&gt; R<\/code>\u578b\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u4e0d\u5909\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u64cd\u4f5c: \u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u306f\u3001\u4e0d\u5909\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u64cd\u4f5c\u3059\u308b\u3053\u3068\u3067\u526f\u4f5c\u7528\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002Kotlin \u3067\u306f\u3001\u4e0d\u5909\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u64cd\u4f5c\u3092\u4f7f\u7528\u3057\u3066\u3001\u3088\u308a\u5b89\u5168\u3067\u4fdd\u5b88\u3057\u3084\u3059\u3044\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">java\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc<code>val numbers = listOf(1, 2, 3, 4, 5)\nval squares = numbers.map { it * it }\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>listOf<\/code>\u95a2\u6570\u3002<code>map<\/code>\u6b21\u306b\u3001<code>{ it * it }<\/code>\u95a2\u6570\u3068 Lambda \u5f0f\u3092\u4f7f\u7528\u3057\u3066\u30ea\u30b9\u30c8\u5185\u306e\u5404\u8981\u7d20\u3092 2 \u4e57\u3057\u3001\u305d\u306e\u7d50\u679c\u3092 squares \u3068\u3044\u3046\u540d\u524d\u306e\u5909\u6570\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u3067\u306f\u30e9\u30e0\u30c0\u5f0f<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u7d9a\u3051\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u30d5\u30a9\u30fc\u30e0\u3068\u9ad8\u968e\u95a2\u6570\u306f\u3001\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u91cd\u8981\u306a\u90e8\u5206\u3067\u3059\u3002\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u76ee\u7684\u306f\u3001\u526f\u4f5c\u7528\u3092\u6e1b\u3089\u3057\u3001\u30b3\u30fc\u30c9\u306e\u8aad\u307f\u3084\u3059\u3055\u3068\u4fdd\u5b88\u6027\u3092\u5411\u4e0a\u3055\u305b\u3001\u4e26\u884c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u5358\u7d14\u5316\u3059\u308b\u3053\u3068\u3067\u3059\u3002Kotlin \u3067\u306f\u3001\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u306f\u6b21\u306e\u6982\u5ff5\u3068\u30d1\u30e9\u30c0\u30a4\u30e0\u3082\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u95a2\u6570\u5408\u6210: \u95a2\u6570\u5408\u6210\u3068\u306f\u3001\u8907\u6570\u306e\u95a2\u6570\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u65b0\u3057\u3044\u95a2\u6570\u306b\u3059\u308b\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002Kotlin \u3067\u306f<code>compose<\/code>\u3001<code>andThen<\/code>\u95a2\u6570\u3068\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u95a2\u6570\u5408\u6210\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>val addTwo = { x: Int -&gt; x + 2 }\nval multiplyByThree = { x: Int -&gt; x * 3 }\nval addTwoAndMultiplyByThree = addTwo.compose(multiplyByThree)\nval multiplyByThreeAndAddTwo = addTwo.andThen(multiplyByThree)\n\nprintln(addTwoAndMultiplyByThree(4)) \/\/ \u8f93\u51fa 14\nprintln(multiplyByThreeAndAddTwo(4)) \/\/ \u8f93\u51fa 18\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u5165\u529b\u306b 2 \u3092\u52a0\u7b97\u3059\u308b\u3053\u3068\u3068\u3001\u5165\u529b\u306b 3 \u3092\u4e57\u7b97\u3059\u308b\u3053\u3068\u3092\u305d\u308c\u305e\u308c\u8868\u3059 2 \u3064\u306e Lambda \u5f0f\u3001addTwo \u3068multiplyByThree \u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u6b21\u306b\u3001<code>compose<\/code>\u95a2\u6570\u3068<code>andThen<\/code>\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u3053\u308c\u3089\u306e 2 \u3064\u306e Lambda \u5f0f\u3092\u65b0\u3057\u3044\u95a2\u6570 addTwoAndMultiplyByThree \u3068multiplyByThreeAndAddTwo \u306b\u7d50\u5408\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"6\">\n<li>\u672b\u5c3e\u518d\u5e30\u306e\u6700\u9069\u5316: \u672b\u5c3e\u518d\u5e30\u3068\u306f\u3001\u518d\u5e30\u95a2\u6570\u304c\u4ed6\u306e\u64cd\u4f5c\u3092\u5b9f\u884c\u305b\u305a\u3001\u305d\u308c\u81ea\u4f53\u3092\u547c\u3073\u51fa\u3059\u524d\u306b\u72b6\u614b\u3092\u4fdd\u5b58\u3057\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002Kotlin \u3067\u306f\u3001\u672b\u5c3e\u518d\u5e30\u95a2\u6570\u3092<code>tailrec<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3002\u4f8b\u3048\u3070\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>tailrec fun factorial(n: Int, acc: Int = 1): Int {\n    return if (n == 0) acc else factorial(n - 1, acc * n)\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001 factorial \u3068\u3044\u3046\u672b\u5c3e\u518d\u5e30\u95a2\u6570\u3092<code>tailrec<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3002\u3053\u306e\u95a2\u6570\u306f\u30012 \u3064\u306e\u6574\u6570\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc n \u3068 acc \u3092\u53d7\u3051\u5165\u308c\u307e\u3059\u3002\u3053\u3053\u3067\u3001n \u306f\u968e\u4e57\u306e\u5024\u3092\u8868\u3057\u3001acc \u306f\u73fe\u5728\u306e\u7a4d\u306e\u5024\u3092\u8868\u3057\u307e\u3059\u3002\u95a2\u6570\u306e\u672c\u4f53\u3067\u306f\u3001if \u5f0f\u3092\u4f7f\u7528\u3057\u3066\u968e\u4e57\u306e\u5024\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002n \u304c 0 \u306e\u5834\u5408\u3001acc \u3092\u8fd4\u3057\u307e\u3059\u3002\u305d\u308c\u4ee5\u5916\u306e\u5834\u5408\u306f\u3001\u81ea\u5206\u81ea\u8eab\u3092\u518d\u5e30\u7684\u306b\u547c\u3073\u51fa\u3057\u3001n \u3092 1 \u6e1b\u3089\u3057\u3066 acc \u3092 n \u500d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"7\">\n<li>\u30c7\u30fc\u30bf \u30d1\u30a4\u30d7\u30e9\u30a4\u30f3: \u30c7\u30fc\u30bf \u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306f\u3001\u3042\u308b\u30c7\u30fc\u30bf \u30d5\u30ed\u30fc\u3092\u5225\u306e\u30c7\u30fc\u30bf \u30d5\u30ed\u30fc\u306b\u5909\u63db\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u6307\u3057\u307e\u3059\u3002Kotlin \u3067\u306f\u3001\u30b7\u30fc\u30b1\u30f3\u30b9\u3068\u30d5\u30ed\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf \u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scss\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>val list = listOf(1, 2, 3, 4, 5)\nval result = list.asSequence()\n    .map { it * it }\n    .filter { it &gt; 10 }\n    .toList()\n\nprintln(result) \/\/ \u8f93\u51fa [16, 25]\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>asSequence<\/code>\u95a2\u6570\u30ea\u30b9\u30c8\u3092\u30b7\u30fc\u30b1\u30f3\u30b9\u306b\u5909\u63db\u3057\u3066\u3044\u307e\u3059\u3002\u6b21\u306b\u3001<code>map<\/code>\u95a2\u6570\u3001<code>filter<\/code>\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066 10 \u3088\u308a\u5927\u304d\u3044\u8981\u7d20\u3092\u9664\u5916\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001<code>toList<\/code>\u95a2\u6570\u7d50\u679c\u3092\u30ea\u30b9\u30c8\u306b\u5909\u63db\u3057\u3001\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u3067\u306f Lambda<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u7d9a\u3051\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u5f0f\u3068\u9ad8\u968e\u95a2\u6570\u306f\u3001\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u91cd\u8981\u306a\u90e8\u5206\u3067\u3059\u3002\u4e0a\u8a18\u306e\u6982\u5ff5\u3068\u30d1\u30e9\u30c0\u30a4\u30e0\u306b\u52a0\u3048\u3066\u3001\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u306f\u6b21\u306e\u3082\u306e\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"8\">\n<li>\u90e8\u5206\u95a2\u6570\u9069\u7528: \u90e8\u5206\u95a2\u6570\u9069\u7528\u3068\u306f\u3001\u95a2\u6570\u306e\u3044\u304f\u3064\u304b\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u30d0\u30a4\u30f3\u30c9\u3057\u3066\u65b0\u3057\u3044\u95a2\u6570\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002Kotlin \u3067\u306f<code>partial<\/code>\u3001<code>::<\/code>\u95a2\u6570\u3068\u95a2\u6570\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u306e\u8868\u8a18\u6cd5\u3092\u4f7f\u7528\u3057\u3066\u3001\u90e8\u5206\u7684\u306a\u95a2\u6570\u306e\u9069\u7528\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>fun add(a: Int, b: Int): Int {\n    return a + b\n}\n\nval add2 = add.partial(2)\nval add3 = ::add.partial(3)\n\nprintln(add2(3)) \/\/ \u8f93\u51fa 5\nprintln(add3(4)) \/\/ \u8f93\u51fa 7\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u30012 \u3064\u306e\u6574\u6570\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc a \u3068 b \u3092\u53d6\u308a\u3001\u305d\u308c\u3089\u306e\u5408\u8a08\u3092\u8fd4\u3059 add \u3068\u3044\u3046\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002\u6b21\u306b\u3001<code>partial<\/code>\u95a2\u6570<code>::<\/code>\u3001\u65b0\u3057\u3044\u95a2\u6570 add2 \u3068 add3 \u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u305d\u306e\u4e2d\u3067\u3001add2 \u95a2\u6570\u306f\u6700\u521d\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092 2 \u3068\u3057\u3066\u30d0\u30a4\u30f3\u30c9\u3057\u3001add3 \u95a2\u6570\u306f 2 \u756a\u76ee\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092 3 \u3068\u3057\u3066\u30d0\u30a4\u30f3\u30c9\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001add2 \u95a2\u6570\u3068 add3 \u95a2\u6570\u3092\u305d\u308c\u305e\u308c\u547c\u3073\u51fa\u3057\u3001\u305d\u306e\u7d50\u679c\u3092\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"9\">\n<li>\u9045\u5ef6\u8a55\u4fa1: \u9045\u5ef6\u8a55\u4fa1\u3068\u306f\u3001\u5f0f\u306e\u5024\u304c\u5fc5\u8981\u306b\u306a\u308b\u307e\u3067\u8a08\u7b97\u3055\u308c\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002Kotlin \u3067\u306f\u3001<code>lazy<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3002\u4f8b\u3048\u3070\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scss\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>val numbers = listOf(1, 2, 3, 4, 5)\nval lazySquares = lazy { numbers.map { it * it } }\n\nprintln(lazySquares.value) \/\/ \u8f93\u51fa [1, 4, 9, 16, 25]\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u4e00\u9023\u306e\u6574\u6570\u3092\u542b\u3080\u3001numbers \u3068\u3044\u3046\u540d\u524d\u306e\u30ea\u30b9\u30c8\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002\u6b21\u306b\u3001<code>lazy<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9<code>map<\/code>\u95a2\u6570\u3068\u30e9\u30e0\u30c0\u5f0f<code>{ it * it }<\/code>\u3092\u4f7f\u7528\u3057\u3066\u5404\u8981\u7d20\u306e\u4e8c\u4e57\u3092\u8a08\u7b97\u3059\u308b lazySquares \u3068\u547c\u3070\u308c\u308b\u9045\u5ef6\u8a55\u4fa1\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001<code>value<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u3092lazySquares \u306e\u5024\u3092\u53d6\u5f97\u3057\u3001\u305d\u306e\u7d50\u679c\u3092\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u3067\u306f\u3001\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306f\u3001\u95a2\u6570\u3092\u57fa\u672c\u7684\u306a\u30d3\u30eb\u30c7\u30a3\u30f3\u30b0 \u30d6\u30ed\u30c3\u30af\u3068\u3057\u3066\u4f7f\u7528\u3057\u3001\u305d\u308c\u3089\u3092\u3088\u308a\u8907\u96d1\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u69cb\u6210\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 \u30d1\u30e9\u30c0\u30a4\u30e0\u3067\u3059\u3002\u30e9\u30e0\u30c0\u5f0f\u3068\u9ad8\u968e\u95a2\u6570\u306f\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u91cd\u8981\u306a\u90e8\u5206\u3067\u3042\u308a\u3001\u95a2\u6570\u5408\u6210\u3001\u672b\u5c3e\u518d\u5e30\u6700\u9069\u5316\u3001\u30c7\u30fc\u30bf \u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3001\u90e8\u5206\u95a2\u6570\u9069\u7528\u3001\u9045\u5ef6\u8a55\u4fa1\u306a\u3069\u306e\u6982\u5ff5\u3068\u30d1\u30e9\u30c0\u30a4\u30e0\u3082\u542b\u307e\u308c\u307e\u3059\u3002\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3068\u4fdd\u5b88\u6027\u304c\u5411\u4e0a\u3057\u3001\u4e26\u884c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u304c\u7c21\u7d20\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin\u62e1\u5f35\u6a5f\u80fd\u306e\u5b9a\u7fa9\u3068\u4f7f\u3044\u65b9\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u306e\u62e1\u5f35\u95a2\u6570\u306f\u3001\u30af\u30e9\u30b9\u306e\u30bd\u30fc\u30b9 \u30b3\u30fc\u30c9\u3092\u7d99\u627f\u307e\u305f\u306f\u5909\u66f4\u305b\u305a\u306b\u65e2\u5b58\u306e\u30af\u30e9\u30b9\u306b\u65b0\u3057\u3044\u95a2\u6570\u3092\u8ffd\u52a0\u3059\u308b\u7279\u5225\u306a\u95a2\u6570\u3067\u3059\u3002\u62e1\u5f35\u6a5f\u80fd\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b3\u30fc\u30c9\u306e\u8aad\u307f\u3084\u3059\u3055\u3068\u4fdd\u5b88\u6027\u3092\u5411\u4e0a\u3055\u305b\u306a\u304c\u3089\u3001\u65e2\u5b58\u306e\u30af\u30e9\u30b9\u306b\u65b0\u3057\u3044\u6a5f\u80fd\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u3001Kotlin \u3067\u306e\u62e1\u5f35\u95a2\u6570\u306e\u5b9a\u7fa9\u3068\u4f7f\u7528\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u62e1\u5f35\u6a5f\u80fd\u3092\u5b9a\u7fa9\u3059\u308b: \u62e1\u5f35\u6a5f\u80fd\u3092\u5b9a\u7fa9\u3059\u308b\u306b\u306f\u3001<code>fun<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u6587\u5b57\u5217\u3092\u5927\u6587\u5b57\u306b\u5909\u63db\u3059\u308b\u3068\u3044\u3046<code>toUppercase<\/code>\u540d\u524d\u306e\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>fun String.toUppercase(): String {\n    return this.toUpperCase()\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f<code>fun<\/code>\u3001class<code>toUppercase<\/code>\u3092\u62e1\u5f35\u3059\u308b\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u547c\u3073\u51fa\u3055\u308c\u308b\u62e1\u5f35\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002<code>String<\/code>\u95a2\u6570\u306e\u672c\u4f53\u3067\u306f\u3001<code>toUpperCase()<\/code>\u95a2\u6570\u6587\u5b57\u5217\u3092\u5927\u6587\u5b57\u306b\u5909\u63db\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u62e1\u5f35\u95a2\u6570\u306e\u547c\u3073\u51fa\u3057: \u62e1\u5f35\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u69cb\u6587\u306f\u3001\u95a2\u6570\u540d\u306e\u524d\u306b\u62e1\u5f35\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u3092\u9664\u3044\u3066\u3001\u901a\u5e38\u306e\u95a2\u6570\u306e\u69cb\u6587\u3068\u4f3c\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">python\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>val str = \"hello\"\nprintln(str.toUppercase()) \/\/ \u8f93\u51fa \"HELLO\"\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>toUppercase()<\/code>\u95a2\u6570<code>str<\/code>\u6587\u5b57\u5217\u3092\u5927\u6587\u5b57\u306b\u5909\u63db\u3057\u3001\u7d50\u679c\u3092\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u62e1\u5f35\u95a2\u6570\u306b\u95a2\u3059\u308b\u6ce8\u610f: \u62e1\u5f35\u95a2\u6570\u306f\u3001\u62e1\u5f35\u3055\u308c\u305f\u30af\u30e9\u30b9\u306e\u3059\u3079\u3066\u306e\u30d1\u30d6\u30ea\u30c3\u30af \u30e1\u30f3\u30d0\u30fc\u3068\u30e1\u30bd\u30c3\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u304c\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 \u30e1\u30f3\u30d0\u30fc\u3068\u30e1\u30bd\u30c3\u30c9\u306b\u306f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u305b\u3093\u3002\u540c\u6642\u306b\u3001\u62e1\u5f35\u30af\u30e9\u30b9\u306b\u62e1\u5f35\u95a2\u6570\u3068\u540c\u3058\u540d\u524d\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u65e2\u306b\u5b58\u5728\u3059\u308b\u5834\u5408\u3001\u62e1\u5f35\u95a2\u6570\u306f\u6a5f\u80fd\u3057\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li>\u62e1\u5f35\u95a2\u6570\u306e\u9069\u7528\u6027: Kotlin \u306e\u62e1\u5f35\u95a2\u6570\u306f\u3001\u6587\u5b57\u5217\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3001\u914d\u5217\u306a\u3069\u3001\u591a\u304f\u306e\u578b\u306b\u9069\u7528\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u6574\u6570\u914d\u5217\u5185\u306e\u3059\u3079\u3066\u306e\u8981\u7d20\u306e\u5408\u8a08\u3092\u8a08\u7b97\u3059\u308b\u3068\u3044\u3046<code>sum<\/code>\u540d\u524d\u306e\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>fun IntArray.sum(): Int {\n    var sum = 0\n    for (num in this) {\n        sum += num\n    }\n    return sum\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f<code>fun<\/code>\u3001class<code>sum<\/code>\u3092\u62e1\u5f35\u3059\u308b\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u547c\u3073\u51fa\u3055\u308c\u308b\u62e1\u5f35\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002<code>IntArray<\/code>\u95a2\u6570\u306e\u672c\u4f53\u3067\u306f\u3001<code>for<\/code>\u30eb\u30fc\u30d7\u6574\u6570\u914d\u5217\u5185\u306e\u3059\u3079\u3066\u306e\u8981\u7d20\u306e\u5408\u8a08\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306b\u3001\u62e1\u5f35\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u6574\u6570\u914d\u5217\u5185\u306e\u3059\u3079\u3066\u306e\u8981\u7d20\u306e\u5408\u8a08<code>sum()<\/code>\u3092\u8a08\u7b97\u3002\u6b21\u306b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">scss\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>val nums = intArrayOf(1, 2, 3, 4, 5)\nprintln(nums.sum()) \/\/ \u8f93\u51fa 15\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>sum()<\/code>\u95a2\u6570<code>nums<\/code>\u6574\u6570\u914d\u5217\u5185\u306e\u3059\u3079\u3066\u306e\u8981\u7d20\u306e\u5408\u8a08\u3092\u8a08\u7b97\u3057\u3001\u7d50\u679c\u3092\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u306e\u62e1\u5f35\u95a2\u6570\u306f\u3001\u30af\u30e9\u30b9\u306e\u30bd\u30fc\u30b9 \u30b3\u30fc\u30c9\u3092\u7d99\u627f\u307e\u305f\u306f\u5909\u66f4\u305b\u305a\u306b\u3001\u65e2\u5b58\u306e\u30af\u30e9\u30b9\u306b\u65b0\u3057\u3044\u95a2\u6570\u3092\u8ffd\u52a0\u3059\u308b\u7279\u5225\u306a\u95a2\u6570\u3067\u3059\u3002\u62e1\u5f35\u6a5f\u80fd\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u6b21\u306e\u3053\u3068\u304c\u3067\u304d\u307e\u3059<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin\u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u5b9a\u7fa9\u3068\u4f7f\u3044\u65b9\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u306e\u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u62e1\u5f35\u95a2\u6570\u306b\u4f3c\u3066\u304a\u308a\u3001\u30af\u30e9\u30b9\u306e\u30bd\u30fc\u30b9 \u30b3\u30fc\u30c9\u3092\u7d99\u627f\u307e\u305f\u306f\u5909\u66f4\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u65e2\u5b58\u306e\u30af\u30e9\u30b9\u306b\u65b0\u3057\u3044\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002\u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3068\u4fdd\u5b88\u6027\u3092\u5411\u4e0a\u3055\u305b\u306a\u304c\u3089\u3001\u65e2\u5b58\u306e\u30af\u30e9\u30b9\u306b\u65b0\u3057\u3044\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u3001Kotlin \u3067\u306e\u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u5b9a\u7fa9\u3068\u4f7f\u7528\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u5b9a\u7fa9: \u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5b9a\u7fa9\u3059\u308b\u306b\u306f<code>val<\/code>\u3001 \u307e\u305f\u306f<code>var<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30af\u30e9\u30b9\u3092\u30ec\u30b7\u30fc\u30d0\u30fc\u578b\u3068\u3057\u3066\u62e1\u5f35\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u6587\u5b57\u5217\u306e\u9577\u3055\u3092\u8a08\u7b97\u3059\u308b\u3068\u3044\u3046<code>length<\/code>\u540d\u524d\u306e\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>val String.length: Int\n    get() = this.length\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f<code>val<\/code>\u3001class<code>length<\/code>\u3092\u62e1\u5f35\u3059\u308b\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u547c\u3073\u51fa\u3055\u308c\u308b\u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002<code>String<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u306e<code>get()<\/code>\u30e1\u30bd\u30c3\u30c9\u306f\u3001<code>length<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u3066\u6587\u5b57\u5217\u306e\u9577\u3055\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u547c\u3073\u51fa\u3057: \u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u547c\u3073\u51fa\u3059\u69cb\u6587\u306f\u3001\u62e1\u5f35\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u306e\u524d\u306b\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u3092\u9664\u3044\u3066\u3001\u901a\u5e38\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u69cb\u6587\u3068\u4f3c\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">\u9306\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9<code>val str = \"hello\"\nprintln(str.length) \/\/ \u8f93\u51fa 5\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>length<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3<code>str<\/code>\u6587\u5b57\u5217\u306e\u9577\u3055\u3092\u53d6\u5f97\u3057\u3001\u7d50\u679c\u3092\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u62e1\u5f35\u5c5e\u6027\u306b\u95a2\u3059\u308b\u6ce8\u610f: \u62e1\u5f35\u5c5e\u6027\u306f\u3001\u62e1\u5f35\u30af\u30e9\u30b9\u306e\u3059\u3079\u3066\u306e\u30d1\u30d6\u30ea\u30c3\u30af \u30e1\u30f3\u30d0\u30fc\u3068\u30e1\u30bd\u30c3\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u304c\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 \u30e1\u30f3\u30d0\u30fc\u3068\u30e1\u30bd\u30c3\u30c9\u306b\u306f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u62e1\u5f35\u30af\u30e9\u30b9\u306b\u62e1\u5f35\u5c5e\u6027\u3068\u540c\u3058\u540d\u524d\u306e\u5c5e\u6027\u304c\u3059\u3067\u306b\u3042\u308b\u5834\u5408\u3001\u62e1\u5f35\u5c5e\u6027\u306f\u7121\u52b9\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u9069\u7528\u6027: Kotlin \u306e\u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001\u6587\u5b57\u5217\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3001\u914d\u5217\u306a\u3069\u3001\u591a\u304f\u306e\u578b\u306b\u9069\u7528\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u6574\u6570\u306e\u914d\u5217\u306e\u6700\u5f8c\u306e\u8981\u7d20\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u53d6\u5f97\u3059\u308b<code>lastIndex<\/code>\u3068\u3044\u3046\u540d\u524d\u306e\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>val IntArray.lastIndex: Int\n    get() = this.size - 1\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f<code>val<\/code>\u3001class<code>lastIndex<\/code>\u3092\u62e1\u5f35\u3059\u308b\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u547c\u3073\u51fa\u3055\u308c\u308b\u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002<code>IntArray<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u306e<code>get()<\/code>\u30e1\u30bd\u30c3\u30c9\u306f<code>size<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u3066\u6574\u6570\u914d\u5217\u306e\u9577\u3055\u3092\u53d6\u5f97\u3057\u3001\u7d50\u679c\u304b\u3089 1 \u3092\u5f15\u3044\u3066\u6700\u5f8c\u306e\u8981\u7d20\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306b\u3001\u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u3066\u3001\u6574\u6570\u914d\u5217\u306e\u6700\u5f8c\u306e\u8981\u7d20\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9<code>lastIndex<\/code>\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002\u6b21\u306b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">scss\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>val nums = intArrayOf(1, 2, 3, 4, 5)\nprintln(nums.lastIndex) \/\/ \u8f93\u51fa 4\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>lastIndex<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3<code>nums<\/code>\u6574\u6570\u914d\u5217\u306e\u6700\u5f8c\u306e\u8981\u7d20\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u53d6\u5f97\u3057\u3001\u7d50\u679c\u3092\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\u3001Kotlin \u306e\u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u62e1\u5f35\u95a2\u6570\u306b\u4f3c\u3066\u304a\u308a\u3001\u30af\u30e9\u30b9\u306e\u30bd\u30fc\u30b9 \u30b3\u30fc\u30c9\u3092\u7d99\u627f\u307e\u305f\u306f\u5909\u66f4\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u65b0\u3057\u3044\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u65e2\u5b58\u306e\u30af\u30e9\u30b9\u306b\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002\u62e1\u5f35\u5c5e\u6027\u3092\u4f7f\u7528\u3057\u3066\u65e2\u5b58\u306e\u30af\u30e9\u30b9\u306b\u65b0\u3057\u3044\u5c5e\u6027\u3092\u8ffd\u52a0\u3059\u308b\u3068\u540c\u6642\u306b\u3001\u30b3\u30fc\u30c9\u306e\u8aad\u307f\u3084\u3059\u3055\u3068<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u7d9a\u3051\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u4fdd\u5b88\u6027\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u30a2\u30af\u30bb\u30b9\u6a29: Kotlin \u3067\u306f\u3001\u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u306f\u901a\u5e38\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u3068\u540c\u3058\u3067\u3001\u30d1\u30d6\u30ea\u30c3\u30af\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u3001\u30d7\u30ed\u30c6\u30af\u30c8\u3001\u307e\u305f\u306f\u5185\u90e8\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u62e1\u5f35\u5c5e\u6027\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u304cpublic\u306e\u5834\u5408\u306f\u3069\u3053\u304b\u3089\u3067\u3082\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u3001\u62e1\u5f35\u5c5e\u6027\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u304cprivate\u306e\u5834\u5408\u306f\u30ab\u30ec\u30f3\u30c8\u30d5\u30a1\u30a4\u30eb\u306e\u307f\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u3001\u62e1\u5f35\u5c5e\u6027\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u304cprotected\u306e\u5834\u5408\u306f\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u73fe\u5728\u306e\u30d5\u30a1\u30a4\u30eb\u3068\u30b5\u30d6\u30af\u30e9\u30b9\u3067\u306e\u307f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059; \u62e1\u5f35\u5c5e\u6027\u306e\u30a2\u30af\u30bb\u30b9\u8a31\u53ef\u304c\u5185\u90e8\u306e\u5834\u5408\u3001\u540c\u3058\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u306e\u307f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001<code>User<\/code>\u3068\u3044\u3046\u540d\u524d\u306e\u3068\u3001<code>email<\/code>\u305d\u306e<code>User<\/code>\u30af\u30e9\u30b9\u3092\u3001<code>email<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u30a2\u30af\u30bb\u30b9\u8a31\u53ef\u3092\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u306b\u8a2d\u5b9a\u3059\u308b \u3068\u3044\u3046\u540d\u524d\u306e\u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>class User(val name: String)\n\nprivate var User.email: String\n    get() = \"${name.toLowerCase()}@example.com\"\n    set(value) { \/* do nothing *\/ }\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f<code>User<\/code>\u3001\u3068\u3044\u3046<code>name<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u3064 \u3068\u3044\u3046\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002<code>private<\/code>\u6b21\u306b\u3001&nbsp;class<code>email<\/code>\u3092\u62e1\u5f35\u3059\u308b\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u547c\u3073\u51fa\u3055\u308c\u308b\u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002<code>User<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u306e<code>get()<\/code>\u30e1\u30bd\u30c3\u30c9\u306f<code>name<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5c0f\u6587\u5b57\u306b\u5909\u63db\u3057\u3001\u96fb\u5b50\u30e1\u30fc\u30eb \u30a2\u30c9\u30ec\u30b9\u3092\u9023\u7d50\u3057\u307e\u3059\u304c\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u306e<code>set()<\/code>\u30e1\u30bd\u30c3\u30c9\u4f55\u3082\u3057\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"6\">\n<li>\u62e1\u5f35\u5c5e\u6027\u306e\u4f7f\u7528\u306b\u95a2\u3059\u308b\u5236\u9650: \u62e1\u5f35\u95a2\u6570\u3068\u540c\u69d8\u306b\u3001\u62e1\u5f35\u5c5e\u6027\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u4f7f\u7528\u4e0a\u306e\u5236\u9650\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001<code>foo<\/code>\u3068\u3044\u3046\u540d\u524d\u306e\u3068 \u3068\u3044\u3046<code>foo<\/code>\u540d\u524d\u306e\u901a\u5e38\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u3055\u3089\u306b\u3001 \u3068\u3044\u3046\u540d\u524d\u306e<code>foo<\/code>\u62e1\u5f35<code>foo<\/code>\u3002\u3053\u308c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u306f\u30a8\u30e9\u30fc\u3092\u5831\u544a\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u306e\u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001\u30af\u30e9\u30b9\u306e\u30bd\u30fc\u30b9 \u30b3\u30fc\u30c9\u3092\u7d99\u627f\u307e\u305f\u306f\u5909\u66f4\u305b\u305a\u306b\u65e2\u5b58\u306e\u30af\u30e9\u30b9\u306b\u65b0\u3057\u3044\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8ffd\u52a0\u3059\u308b\u7279\u5225\u306a\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059\u3002\u62e1\u5f35\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3068\u4fdd\u5b88\u6027\u3092\u5411\u4e0a\u3055\u305b\u306a\u304c\u3089\u3001\u65e2\u5b58\u306e\u30af\u30e9\u30b9\u306b\u65b0\u3057\u3044\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002\u62e1\u5f35\u5c5e\u6027\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u306f\u3001\u30d1\u30d6\u30ea\u30c3\u30af\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u3001\u30d7\u30ed\u30c6\u30af\u30c8\u3001\u307e\u305f\u306f\u5185\u90e8\u306e\u901a\u5e38\u306e\u5c5e\u6027\u3068\u540c\u3058\u3067\u3042\u308a\u3001\u3044\u304f\u3064\u304b\u306e\u4f7f\u7528\u5236\u9650\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin\u30c7\u30fc\u30bf\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u3068\u4f7f\u3044\u65b9\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u3067\u306f\u3001\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306f\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u7279\u5225\u306a\u30af\u30e9\u30b9\u3067\u3059\u3002\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306b\u306f\u3001\u81ea\u52d5\u751f\u6210\u3055\u308c\u305f<code>equals()<\/code>\u3001<code>hashCode()<\/code>\u3001<code>toString()<\/code>\u306a\u3069\u306e\u30e1\u30bd\u30c3\u30c9\u3084\u3001\u5206\u5272\u64cd\u4f5c\u3068\u30b3\u30d4\u30fc\u64cd\u4f5c\u306e\u30b5\u30dd\u30fc\u30c8\u306a\u3069\u3001\u591a\u304f\u306e\u4fbf\u5229\u306a\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b3\u30fc\u30c9\u3092\u7c21\u7d20\u5316\u3057\u3001\u8aad\u307f\u3084\u3059\u3055\u3068\u4fdd\u5b88\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u3001Kotlin \u3067\u306e\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u3068\u4f7f\u7528\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306e\u5b9a\u7fa9: \u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3059\u308b\u306b\u306f\u3001<code>data class<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f<code>Person<\/code>\u3001<code>name<\/code>\u3068 \u306e2 \u3064\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u3064\u540d\u524d\u306e\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3059<code>age<\/code>\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>data class Person(val name: String, val age: Int)\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>data class<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3068<code>Person<\/code>\u3068\u3044\u3046 2 \u3064\u306e\u5c5e\u6027\u3092\u6301\u3064 \u3068\u3044\u3046\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002<code>name<\/code><code>age<\/code><\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u4f5c\u6210: \u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u4f5c\u6210\u306f\u3001\u901a\u5e38\u306e\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u4f5c\u6210\u306b\u4f3c\u3066\u3044\u307e\u3059\u3002\u30af\u30e9\u30b9\u540d\u3068\u62ec\u5f27\u3092\u4f7f\u7528\u3057\u3066\u3001\u62ec\u5f27\u5185\u306b\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc \u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u6e21\u3059\u3060\u3051\u3067\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">java\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc<code>val person = Person(\"Alice\", 30)\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>Person<\/code>\u30af\u30e9\u30b9<code>person<\/code>\u3068\u3044\u3046\u540d\u524d\u306e\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u305d\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<code>name<\/code>\u306f\u3001<code>age<\/code>\u305d\u308c\u305e\u308c\u300cAlice\u300d\u3068 30 \u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306e\u6a5f\u80fd: \u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u591a\u304f\u306e\u4fbf\u5229\u306a\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>equals()<\/code>\u3001<code>hashCode()<\/code>\u3001\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u81ea\u52d5\u7684\u306b\u751f\u6210\u3057\u307e\u3059<code>toString()<\/code>\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306e\u5c5e\u6027\u3092\u5909\u6570\u306b\u5206\u89e3\u3067\u304d\u308b\u5206\u89e3\u64cd\u4f5c\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30b3\u30d4\u30fc\u64cd\u4f5c\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u73fe\u5728\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u540c\u3058\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u3064\u65b0\u3057\u3044\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u305f\u308a\u3001\u65b0\u3057\u3044\u30d7\u30ed\u30d1\u30c6\u30a3\u5024\u3092\u6307\u5b9a\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>copy()<\/code>\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30b3\u30d4\u30fc\u3057\u3001\u305d\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u5024\u306e\u4e00\u90e8\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>component1()<\/code>\u3001 \u3001\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001<code>component2()<\/code>\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306e\u5c5e\u6027\u5024\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u5c5e\u6027\u306e\u4f7f\u7528\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>data class Person(val name: String, val age: Int)\n\nval person1 = Person(\"Alice\", 30)\nval person2 = Person(\"Alice\", 30)\n\nprintln(person1 == person2) \/\/ \u8f93\u51fa true\uff0c\u81ea\u52a8\u751f\u6210\u7684 equals() \u65b9\u6cd5\u6bd4\u8f83\u5c5e\u6027\u503c\u662f\u5426\u76f8\u7b49\n\nval (name, age) = person1 \/\/ \u89e3\u6784\u6570\u636e\u7c7b\u7684\u5c5e\u6027\u5230\u53d8\u91cf\u4e2d\n\nval person3 = person1.copy(age = 35) \/\/ \u590d\u5236 person1 \u5bf9\u8c61\uff0c\u5e76\u4fee\u6539 age \u5c5e\u6027\n\nprintln(person3.component1()) \/\/ \u8f93\u51fa \"Alice\"\uff0c\u4f7f\u7528 component1() \u65b9\u6cd5\u83b7\u53d6 name \u5c5e\u6027\u503c\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>data class<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3068\u3044\u3046\u540d\u524d\u306e\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u3001<code>Person<\/code>\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306e 3 \u3064\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u3068 \u304c\u7b49\u3057\u3044\u304b\u3069\u3046\u304b\u6bd4\u8f03\u3057\u3001\u81ea\u52d5\u751f\u6210\u3055\u308c\u305f\u30e1\u30bd\u30c3\u30c9\u304c\u5c5e\u6027\u5024\u304c\u7b49\u3057\u3044\u304b\u3069\u3046\u304b\u3092\u6bd4\u8f03\u3057\u3001\u51fa\u529b\u7d50\u679c\u304c true \u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u7834\u58ca\u64cd\u4f5c\u3092\u4f7f\u7528\u3057\u3066 \u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u3068\u5909\u6570\u306b\u5206\u89e3\u3057\u3001\u65b0\u3057\u3044<code>person1<\/code><code>person2<\/code><code>person3<\/code><code>==<\/code><code>person1<\/code><code>person2<\/code><code>equals()<\/code><code>person1<\/code><code>name<\/code><code>age<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u7d9a\u3051\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u30c7\u30fc\u30bf \u30af\u30e9\u30b9 object \u306e\u5834\u5408<code>person3<\/code>\u3001<code>copy()<\/code>\u30e1\u30bd\u30c3\u30c9\u3066<code>person1<\/code>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30b3\u30d4\u30fc\u3057\u3001\u305d\u306e<code>age<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u304b\u3089\u3001<code>component1()<\/code>\u30e1\u30bd\u30c3\u30c9<code>person3<\/code>\u3092\u4f7f\u7528\u3057<code>name<\/code>\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u5024\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u51fa\u529b\u7d50\u679c\u306f &#8220;Alice&#8221; \u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306e\u5236\u9650: \u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u3044\u304f\u3064\u304b\u306e\u5236\u9650\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d7\u30e9\u30a4\u30de\u30ea \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306b\u306f\u3001\u5c11\u306a\u304f\u3068\u3082 1 \u3064\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u30d7\u30e9\u30a4\u30de\u30ea \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u3001\u5bfe\u5fdc\u3059\u308b\u30b2\u30c3\u30bf\u30fc \u30e1\u30bd\u30c3\u30c9\u3068\u30bb\u30c3\u30bf\u30fc \u30e1\u30bd\u30c3\u30c9\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u306b\u3001\u4e21\u65b9\u3068\u3082<code>val<\/code>or\u3002<code>var<\/code><\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306f\u3001abstract\u3001sealed\u3001\u307e\u305f\u306f\u5185\u90e8\u30af\u30e9\u30b9\u306b\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306f\u4ed6\u306e\u30af\u30e9\u30b9\u304b\u3089\u7d99\u627f\u3067\u304d\u307e\u305b\u3093 (\u305f\u3060\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059)\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3055\u306a\u3044\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u306f\u30a8\u30e9\u30fc\u3092\u5831\u544a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>class InvalidPerson(name: String, age: Int) \/\/ \u4e3b\u6784\u9020\u51fd\u6570\u6ca1\u6709\u6807\u8bb0\u4e3a val \u6216 var\n\ndata class InvalidDataPerson(val name: String, val age: Int) : SomeClass() \/\/ \u7ee7\u627f\u4e86\u5176\u4ed6\u7c7b\n\nsealed class InvalidSealedPerson(val name: String, val age: Int) \/\/ \u662f\u4e00\u4e2a\u5bc6\u5c01\u7c7b\n<\/code><\/pre>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u306e\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306f\u3001\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306e\u7279\u5225\u306a\u30af\u30e9\u30b9\u3067\u3042\u308a\u3001\u81ea\u52d5\u751f\u6210\u3055\u308c\u305f<code>equals()<\/code>\u3001<code>hashCode()<\/code>\u3001<code>toString()<\/code>\u306a\u3069\u306e\u30e1\u30bd\u30c3\u30c9\u3084\u3001\u5206\u89e3\u64cd\u4f5c\u3068\u30b3\u30d4\u30fc\u64cd\u4f5c\u306e\u30b5\u30dd\u30fc\u30c8\u306a\u3069\u3001\u591a\u304f\u306e\u4fbf\u5229\u306a\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b3\u30fc\u30c9\u3092\u7c21\u7d20\u5316\u3057\u3001\u8aad\u307f\u3084\u3059\u3055\u3068\u4fdd\u5b88\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u5236\u9650\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30d7\u30e9\u30a4\u30de\u30ea \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306b\u306f\u5c11\u306a\u304f\u3068\u3082 1 \u3064\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u304c\u5fc5\u8981\u3067\u3042\u308b\u3001\u30d7\u30e9\u30a4\u30de\u30ea \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u3059\u3079\u3066<code>val<\/code>or<code>var<\/code>\u3002 .<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin\u306esealed\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u3068\u4f7f\u3044\u65b9\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u3067\u306f\u3001Sealed \u30af\u30e9\u30b9\u306f\u3001\u5236\u9650\u3055\u308c\u305f\u30af\u30e9\u30b9\u7d99\u627f\u69cb\u9020\u3092\u8868\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u7279\u5225\u306a\u30af\u30e9\u30b9\u3067\u3059\u3002\u30b7\u30fc\u30eb \u30af\u30e9\u30b9\u306e\u30b5\u30d6\u30af\u30e9\u30b9\u306f\u540c\u3058\u30d5\u30a1\u30a4\u30eb\u3067\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u7d99\u627f\u307e\u305f\u306f\u62e1\u5f35\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30b7\u30fc\u30eb \u30af\u30e9\u30b9\u306f\u901a\u5e38\u3001\u5217\u6319\u578b\u306e\u95a2\u6570\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u30b7\u30fc\u30eb \u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b3\u30fc\u30c9\u3092\u3088\u308a\u5b89\u5168\u306b\u3001\u8aad\u307f\u3084\u3059\u304f\u3001\u4fdd\u5b88\u3057\u3084\u3059\u304f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u3001Kotlin \u3067\u306e\u30b7\u30fc\u30eb \u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u3068\u4f7f\u7528\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b7\u30fc\u30eb \u30af\u30e9\u30b9\u306e\u5b9a\u7fa9: \u30b7\u30fc\u30eb \u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3059\u308b\u306b\u306f<code>sealed class<\/code>\u3001\u30ad\u30fc\u30ef\u30fc\u30c9\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001 \u3068 \u306e 3 \u3064\u306e\u30b5\u30d6\u30af\u30e9\u30b9\u3067<code>Expr<\/code>\u540d\u524d\u304c\u4ed8\u3051\u3089\u308c\u305f<code>Const<\/code>\u3057<code>Sum<\/code>\u307e\u3059<code>Mul<\/code>\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>sealed class Expr {\n    data class Const(val number: Double) : Expr()\n    data class Sum(val left: Expr, val right: Expr) : Expr()\n    data class Mul(val left: Expr, val right: Expr) : Expr()\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f<code>sealed class<\/code>\u3001<code>Expr<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u540d\u524d\u3092\u4ed8\u3051\u305f\u30b7\u30fc\u30eb \u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u3001\u305d\u306e\u3059\u3079\u3066\u306e\u30b5\u30d6\u30af\u30e9\u30b9\u3092\u62ec\u5f27\u5185\u306b\u30ea\u30b9\u30c8\u3057\u307e\u3057\u305f\u3002\u5404\u30b5\u30d6\u30af\u30e9\u30b9\u306f\u3001\u305d\u308c\u305e\u308c\u5b9a\u6570\u3001\u52a0\u7b97\u3001\u304a\u3088\u3073\u4e57\u7b97\u5f0f\u3092\u8868\u3059\u30c7\u30fc\u30bf \u30af\u30e9\u30b9\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u30b7\u30fc\u30eb \u30af\u30e9\u30b9\u306e\u4f7f\u7528: \u30b7\u30fc\u30eb \u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u901a\u5e38\u306f<code>when<\/code>\u5f0f\u3092\u3002\u30b7\u30fc\u30eb\u3055\u308c\u305f\u30af\u30e9\u30b9\u306e\u30b5\u30d6\u30af\u30e9\u30b9\u5316\u306f\u5236\u9650\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u3001<code>when<\/code>\u5f0f\u304c\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u5c01\u5370\u3055\u308c\u305f\u30af\u30e9\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059<code>Expr<\/code>\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">scss\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>fun eval(expr: Expr): Double = when (expr) {\n    is Expr.Const -&gt; expr.number\n    is Expr.Sum -&gt; eval(expr.left) + eval(expr.right)\n    is Expr.Mul -&gt; eval(expr.left) * eval(expr.right)\n}\n\nval expr = Expr.Sum(Expr.Const(1.0), Expr.Mul(Expr.Const(2.0), Expr.Const(3.0)))\nval result = eval(expr) \/\/ \u7b49\u4e8e 7.0\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f<code>eval()<\/code>\u3001<code>Expr<\/code>\u30bf\u30a4\u30d7\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u53d6\u308a\u3001<code>when<\/code>\u5f0f\u3092\u3055\u307e\u3056\u307e\u306a\u30b5\u30d6\u30af\u30e9\u30b9\u3092\u7167\u5408\u3059\u308b\u3068\u3044\u3046\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u5b9a\u6570\u5f0f\u3068\u4e57\u7b97\u5f0f\u304b\u3089\u306a\u308b \u3068\u3044\u3046\u578b\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092<code>expr<\/code>\u4f5c\u6210\u3057\u3001 \u306e\u5024\u3092\u8a08\u7b97\u3059\u308b\u3068 7.0 \u304c\u51fa\u529b\u3055\u308c\u307e\u3057\u305f\u3002<code>Expr<\/code><code>expr<\/code><\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u306e\u30b7\u30fc\u30eb \u30af\u30e9\u30b9\u306f\u3001\u5236\u9650\u3055\u308c\u305f\u30af\u30e9\u30b9\u7d99\u627f\u69cb\u9020\u3092\u8868\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u7279\u5225\u306a\u7a2e\u985e\u306e\u30af\u30e9\u30b9\u3067\u3059\u3002\u30b7\u30fc\u30eb \u30af\u30e9\u30b9\u306e\u30b5\u30d6\u30af\u30e9\u30b9\u306f\u540c\u3058\u30d5\u30a1\u30a4\u30eb\u3067\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u7d99\u627f\u307e\u305f\u306f\u62e1\u5f35\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30b7\u30fc\u30eb \u30af\u30e9\u30b9\u306f\u901a\u5e38\u3001\u5217\u6319\u578b\u306e\u95a2\u6570\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u30b7\u30fc\u30eb \u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b3\u30fc\u30c9\u3092\u3088\u308a\u5b89\u5168\u306b\u3001\u8aad\u307f\u3084\u3059\u304f\u3001\u4fdd\u5b88\u3057\u3084\u3059\u304f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin\u306e\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30af\u30e9\u30b9\u3068\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u95a2\u6570\u306e\u5b9a\u7fa9\u3068\u4f7f\u3044\u65b9\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u3067\u306f\u3001\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u578b\u3067\u6a5f\u80fd\u3059\u308b\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u5316\u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u3059\u3002\u30b8\u30a7\u30cd\u30ea\u30c3\u30af \u30af\u30e9\u30b9\u3068\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u95a2\u6570\u306f\u3001Kotlin \u306e\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u306e 2 \u3064\u306e\u57fa\u672c\u7684\u306a\u5f62\u5f0f\u3067\u3042\u308a\u3001\u30b3\u30fc\u30c9\u3092\u3088\u308a\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u3001\u518d\u5229\u7528\u53ef\u80fd\u3001\u578b\u5b89\u5168\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b8\u30a7\u30cd\u30ea\u30c3\u30af \u30af\u30e9\u30b9: \u30b8\u30a7\u30cd\u30ea\u30c3\u30af \u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3059\u308b\u306b\u306f\u3001\u5c71\u304b\u3063\u3053\u3092\u4f7f\u7528\u3057\u3066 1 \u3064\u4ee5\u4e0a\u306e\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc<code>&lt;&gt;<\/code>\u3092\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u30011 \u3064\u306e\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3067<code>Box<\/code>\u540d\u524d\u304c\u4ed8\u3051\u3089\u308c\u305f<code>T<\/code>\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>class Box&lt;T&gt;(var item: T)\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u5c71\u304b\u3063\u3053\u3092\u4f7f\u7528\u3057\u3066\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc<code>&lt;&gt;<\/code>\u3092\u5ba3\u8a00\u3057<code>T<\/code>\u3001\u30af\u30e9\u30b9\u540d\u306e\u5f8c\u306b\u3053\u306e\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u578b\u3092\u5ba3\u8a00\u3057\u3066\u3044\u307e\u3059\u3002\u30af\u30e9\u30b9\u306e\u672c\u4f53\u306b\u306f<code>item<\/code>\u3001\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u306e\u53ef\u5909\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u3042\u308a\u307e\u3059<code>T<\/code>\u3002<\/p>\n\n\n\n<p>\u30b8\u30a7\u30cd\u30ea\u30c3\u30af \u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u30af\u30e9\u30b9\u540d\u306e\u5f8c\u306b\u5c71\u304b\u3063\u3053\u3092\u4f7f\u7528\u3057\u3066\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u30b8\u30a7\u30cd\u30ea\u30c3\u30af \u30af\u30e9\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059<code>Box<\/code>\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">scss\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>val box1 = Box&lt;String&gt;(\"Hello\") \/\/ \u521b\u5efa\u4e00\u4e2a Box \u5bf9\u8c61\uff0c\u5305\u542b\u4e00\u4e2a\u5b57\u7b26\u4e32\nval box2 = Box&lt;Int&gt;(123) \/\/ \u521b\u5efa\u4e00\u4e2a Box \u5bf9\u8c61\uff0c\u5305\u542b\u4e00\u4e2a\u6574\u6570\n\nprintln(box1.item) \/\/ \u8f93\u51fa \"Hello\"\nprintln(box2.item) \/\/ \u8f93\u51fa 123\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u30b8\u30a7\u30cd\u30ea\u30c3\u30af \u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066<code>Box<\/code>\u3001\u6587\u5b57\u5217 &#8220;Hello&#8221; \u3092\u542b\u3080\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u6574\u6570 123 \u3092\u542b\u3080\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e 2 \u3064\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<code>box1<\/code>\u3068 \u3092\u305d\u308c\u305e\u308c\u4f5c\u6210\u3057\u307e\u3059\u3002<code>box2<\/code>\u30c9\u30c3\u30c8\u8868\u8a18\u3092\u4f7f\u7528\u3057\u3066<code>Box<\/code>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<code>item<\/code>\u3001\u51fa\u529b\u306f &#8220;Hello&#8221; \u3068 123 \u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u95a2\u6570: \u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u95a2\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u306b\u306f\u3001\u95a2\u6570\u540d\u3068\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc \u30ea\u30b9\u30c8\u306e\u9593\u306b\u5c71\u304b\u3063\u3053\u3092\u4f7f\u7528\u3057\u3066 1 \u3064\u4ee5\u4e0a\u306e\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc<code>&lt;&gt;<\/code>\u3092\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f<code>swap<\/code>\u3001<code>T<\/code>\u3068 \u306e2 \u3064\u306e\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3067\u540d\u524d\u304c\u4ed8\u3051\u3089\u308c\u305f\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3059<code>U<\/code>\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>fun &lt;T, U&gt; swap(pair: Pair&lt;T, U&gt;): Pair&lt;U, T&gt; {\n    return Pair(pair.second, pair.first)\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u5c71\u304b\u3063\u3053\u3092\u4f7f\u7528\u3057\u3066<code>&lt;&gt;<\/code>\u3068<code>T<\/code>\u306e2 \u3064\u306e\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u5ba3\u8a00\u3057<code>U<\/code>\u3001\u95a2\u6570\u540d\u306e\u5f8c\u306b\u3053\u308c\u3089\u306e\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u95a2\u6570\u578b\u3092\u5ba3\u8a00\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306f type<code>Pair&lt;T, U&gt;<\/code>\u306e\u3001<code>Pair&lt;U, T&gt;<\/code>\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u9806\u5e8f\u3092\u5165\u308c\u66ff\u3048\u3066 type \u306e\u7d50\u679c\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u95a2\u6570\u540d\u306e\u524d\u306b\u5c71\u304b\u3063\u3053\u3092\u4f7f\u7528\u3057\u3066\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u95a2\u6570\u306e\u4f7f\u7528\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059<code>swap<\/code>\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">scss\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>val pair1 = Pair(\"Hello\", 123) \/\/ \u521b\u5efa\u4e00\u4e2a Pair \u5bf9\u8c61\uff0c\u5305\u542b\u4e00\u4e2a\u5b57\u7b26\u4e32\u548c\u4e00\u4e2a\u6574\u6570\nval pair2 = swap(pair1) \/\/ \u8c03\u7528\u6cdb\u578b\u51fd\u6570 swap\uff0c\u4ea4\u6362\u4e86 pair1 \u5bf9\u8c61\u7684\u5143\u7d20\u987a\u5e8f\n\nprintln(pair1) \/\/ \u8f93\u51fa \"(Hello, 123)\"\nprintln(pair2\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u7d9a\u3051\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u30b8\u30a7\u30cd\u30ea\u30c3\u30af<code>swap<\/code>\u95a2\u6570<code>Pair<\/code>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u8981\u7d20\u3092\u4ea4\u63db\u3057\u3001\u5225\u306e<code>Pair<\/code>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<code>pair2<\/code>\u3002\u5143\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u30b9\u30ef\u30c3\u30d7\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u95a2\u6570\u3067\u51fa\u529b\u3057<code>println()<\/code>\u307e\u3059\u3002<code>Pair<\/code><code>pair1<\/code><code>Pair<\/code><code>pair2<\/code><\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u306e\u30b8\u30a7\u30cd\u30ea\u30c3\u30af \u30e1\u30ab\u30cb\u30ba\u30e0\u306f\u3001\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u3067\u518d\u5229\u7528\u53ef\u80fd\u3067\u30bf\u200b\u200b\u30a4\u30d7\u30bb\u30fc\u30d5\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u30b8\u30a7\u30cd\u30ea\u30c3\u30af \u30af\u30e9\u30b9\u3068\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u95a2\u6570\u306f\u3001Kotlin \u306e\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u306e 2 \u3064\u306e\u57fa\u672c\u7684\u306a\u5f62\u5f0f\u3067\u3042\u308a\u3001\u30b3\u30fc\u30c9\u3092\u3088\u308a\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u3001\u518d\u5229\u7528\u53ef\u80fd\u3001\u578b\u5b89\u5168\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30b8\u30a7\u30cd\u30ea\u30c3\u30af \u30af\u30e9\u30b9\u3068\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u95a2\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u3068\u304d\u306f\u3001\u5c71\u304b\u3063\u3053\u3092\u4f7f\u7528\u3057\u3066 1 \u3064\u4ee5\u4e0a\u306e\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc<code>&lt;&gt;<\/code>\u3092\u3002\u30b8\u30a7\u30cd\u30ea\u30c3\u30af \u30af\u30e9\u30b9\u3068\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u30af\u30e9\u30b9\u540d\u307e\u305f\u306f\u95a2\u6570\u540d\u306e\u5f8c\u306b\u5c71\u304b\u3063\u3053\u3092\u4f7f\u7528\u3057\u3066\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin\u306e\u4e0a\u9650\u3068\u4e0b\u9650\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u3067\u306f\u3001\u4e0a\u9650\u3068\u4e0b\u9650\u306f\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u5236\u9650\u3067\u3042\u308a\u3001\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u578b\u7bc4\u56f2\u3092\u5236\u9650\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u4e0a\u9650\u3068\u4e0b\u9650\u306b\u3088\u308a\u3001\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u3088\u308a\u4e00\u822c\u7684\u3067\u578b\u5b89\u5168\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e0a\u9650: \u4e0a\u9650\u3067\u306f\u3001<code>:<\/code>\u8868\u8a18\u6cd5\u3001\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u4e0a\u9650\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f<code>Box<\/code>\u3001\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u304c\u305d\u306e\u578b<code>T<\/code>\u307e\u305f\u306f\u305d\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3068\u3044\u3046\u540d\u524d\u306e\u30b8\u30a7\u30cd\u30ea\u30c3\u30af \u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<code>Number<\/code><\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">javascript\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc<code>class Box&lt;T : Number&gt;(var item: T)\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>:<\/code>\u30b7\u30f3\u30dc\u30eb<code>T<\/code>\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u4e0a\u9650\u304c<code>Number<\/code>type\u3001\u3064\u307e\u308a\u3001\u578b<code>T<\/code>\u307e\u305f\u306f\u305d\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3053\u3068\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u307e\u305f\u306f\u578b\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f<code>Number<\/code>\u4f5c\u6210\u3067\u304d\u307e\u3059\u304c\u3001 \u578b\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u4f5c\u6210\u3067\u304d\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057<code>Box&lt;Double&gt;<\/code>\u307e\u3059\u3002<code>Box&lt;Float&gt;<\/code><code>Box&lt;Int&gt;<\/code><code>Box&lt;String&gt;<\/code><\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u4e0b\u9650: \u4e0b\u9650\u306f<code>:<\/code>\u8868\u8a18\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u4e0b\u9650\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u4e0b\u9650\u306f\u3001\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306b\u53cd\u5909\u6027\u3092\u5c0e\u5165\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f<code>Box<\/code>\u3001\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u304c\u578b\u307e\u305f\u306f\u89aa\u578b\u3067<code>T<\/code>\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3068\u3044\u3046\u540d\u524d\u306e\u30b8\u30a7\u30cd\u30ea\u30c3\u30af \u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<code>Comparable<\/code><\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">r\u30b3\u30d4\u30fc\u30b3\u30fc\u30c9<code>class Box&lt;T&gt;(var item: T) where T : Comparable&lt;T&gt;\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>where<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9<code>T<\/code>\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u4e0b\u9650\u304c<code>Comparable&lt;T&gt;<\/code>type\u3001\u3064\u307e\u308a\u3001\u578b<code>T<\/code>\u307e\u305f\u306f\u305d\u306e\u89aa\u578b\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3053\u3068\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u307e\u305f\u306f\u578b\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f<code>Comparable&lt;T&gt;<\/code>\u4f5c\u6210\u3067\u304d\u307e\u3059\u304c\u3001 \u578b\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u4f5c\u6210\u3067\u304d\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057<code>Box&lt;String&gt;<\/code>\u307e\u3059\u3002<code>Box&lt;Any&gt;<\/code><code>Box&lt;Comparable&lt;Any&gt;&gt;<\/code><code>Box&lt;Int&gt;<\/code><\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u306e\u4e0a\u9650\u3068\u4e0b\u9650\u3092\u4f7f\u7528\u3057\u3066\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u578b\u7bc4\u56f2\u3092\u5236\u9650\u3057\u3001\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u3088\u308a\u4e00\u822c\u7684\u3067\u578b\u5b89\u5168\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30b8\u30a7\u30cd\u30ea\u30c3\u30af \u30af\u30e9\u30b9\u3068\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u95a2\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u5834\u5408\u3001<code>:<\/code>\u30b7\u30f3\u30dc\u30eb\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin \u4f8b\u5916\u306e\u57fa\u672c\u7684\u306a\u6982\u5ff5\u3068\u51e6\u7406\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u306f\u3001\u4f8b\u5916\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u4e2d\u306b\u767a\u751f\u3057\u305f\u30a8\u30e9\u30fc\u307e\u305f\u306f\u4e88\u671f\u3057\u306a\u3044\u72b6\u614b\u3067\u3059\u3002Kotlin \u3067\u306f\u3001\u30b9\u30ed\u30fc\u3068\u30ad\u30e3\u30c3\u30c1\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u3088\u3063\u3066\u4f8b\u5916\u3092\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f8b\u5916\u306e\u57fa\u672c\u6982\u5ff5: Kotlin \u3067\u306f\u3001\u4f8b\u5916\u306f\u4e00\u7a2e\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3042\u308a\u3001\u30af\u30e9\u30b9\u306e<code>Throwable<\/code>\u30b5\u30d6\u30af\u30e9\u30b9\u3002\u4f8b\u5916\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f\u3001\u30a8\u30e9\u30fc\u60c5\u5831\u3001\u30b9\u30bf\u30c3\u30af \u30c8\u30ec\u30fc\u30b9\u3001\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u95a2\u9023\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u958b\u767a\u8005\u304c\u30d7\u30ed\u200b\u200b\u30b0\u30e9\u30e0 \u30a8\u30e9\u30fc\u3092\u898b\u3064\u3051\u3066\u89e3\u6c7a\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4f8b\u5916\u51e6\u7406: Kotlin \u3067\u306f\u3001\u30b9\u30ed\u30fc\u3068\u30ad\u30e3\u30c3\u30c1\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u3088\u3063\u3066\u4f8b\u5916\u3092\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>(1) \u4f8b\u5916\u306e\u30b9\u30ed\u30fc: Kotlin \u3067\u306f\u3001<code>throw<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f<code>RuntimeException<\/code>\u4f8b\u5916\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">php\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>throw RuntimeException(\"This is a runtime exception.\")\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>throw<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3092<code>RuntimeException<\/code>\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3057\u3001\u62ec\u5f27\u5185\u306b\u30a8\u30e9\u30fc \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>(2) \u4f8b\u5916\u306e\u30ad\u30e3\u30c3\u30c1: Kotlin \u3067\u306f\u3001<code>try-catch<\/code>\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3002<code>try-catch<\/code>\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u30011 \u3064\u306e<code>try<\/code>\u30d6\u30ed\u30c3\u30af\u3068 1 \u3064\u4ee5\u4e0a\u306e<code>catch<\/code>\u30d6\u30ed\u30c3\u30af\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<code>try<\/code>\u30d6\u30ed\u30c3\u30af\u306f\u3001\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u30b3\u30fc\u30c9\u3092\u542b\u3081\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001<code>catch<\/code>\u30d6\u30ed\u30c3\u30af\u306f\u4f8b\u5916\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001<code>try-catch<\/code>\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">php\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>try {\n    \/\/ \u53ef\u80fd\u5f15\u53d1\u5f02\u5e38\u7684\u4ee3\u7801\n} catch (e: Exception) {\n    \/\/ \u5904\u7406\u5f02\u5e38\u7684\u4ee3\u7801\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>try<\/code>\u30d6\u30ed\u30c3\u30af\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u30b3\u30fc\u30c9\u3092\u56f2\u307f\u3001<code>catch<\/code>\u30d6\u30ed\u30c3\u30af\u3092\u4f7f\u7528\u3057\u3066\u4f8b\u5916\u3092\u51e6\u7406\u3057\u307e\u3059\u3002<code>catch<\/code>\u30d6\u30ed\u30c3\u30af\u306b\u306f<code>Exception<\/code>\u3001<code>e<\/code>\u30ad\u30e3\u30c3\u30c1\u3055\u308c\u305f\u4f8b\u5916\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8868\u3059\u578b\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u30d6\u30ed\u30c3\u30af\u5185\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30e1\u30bd\u30c3\u30c9\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u3066\u3001\u4f8b\u5916\u95a2\u9023\u306e\u60c5\u5831\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d<code>catch<\/code>\u307e\u3059\u3002<code>e<\/code><\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u4f8b\u5916\u51e6\u7406\u306e\u9806\u5e8f: Kotlin \u3067\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3059\u308b\u3068\u3001\u305d\u306e\u4f8b\u5916\u3092\u51e6\u7406\u3067\u304d\u308b\u73fe\u5728\u306e\u30e1\u30bd\u30c3\u30c9\u5185\u306e<code>catch<\/code>\u30d6\u30ed\u30c3\u30af\u3002\u73fe\u5728\u306e\u30e1\u30bd\u30c3\u30c9\u306b\u4f8b\u5916\u3092\u51e6\u7406\u3067\u304d\u308b<code>catch<\/code>\u30d6\u30ed\u30c3\u30af\u3001<code>catch<\/code>\u4f8b\u5916\u3092\u51e6\u7406\u3067\u304d\u308b\u30d6\u30ed\u30c3\u30af\u304c\u898b\u3064\u304b\u308b\u304b\u3001\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3059\u308b\u307e\u3067\u3001\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u4e0a\u4f4d\u5c64\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u4f8b\u5916\u3092\u51e6\u7406\u3067\u304d\u308b<code>catch<\/code>\u30d6\u30ed\u30c3\u30af\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30c8\u30c3\u30d7\u30ec\u30d9\u30eb\u3078\u306e\u4f8b\u5916\u3002<\/li>\n\n\n\n<li>\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916: Kotlin \u3067\u306f\u3001\u4f8b\u5916\u30af\u30e9\u30b9\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3057\u3066\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u767a\u751f\u3057\u305f\u7279\u5b9a\u306e\u30a8\u30e9\u30fc\u3092\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u30af\u30e9\u30b9\u306f<code>Throwable<\/code>\u3001\u307e\u305f\u306f\u305d\u306e\u3002\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001<code>MyException<\/code>\u3068\u3044\u3046\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">scss\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>class MyException(message: String) : RuntimeException(message)\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f<code>MyException<\/code>\u3001<code>RuntimeException<\/code>\u30af\u30e9\u30b9\u304b\u3089\u7d99\u627f\u3057\u3001\u30a8\u30e9\u30fc \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u5165\u308c\u308b\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3092\u63d0\u4f9b\u3059\u308b\u3068\u3044\u3046\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8981\u3059\u308b\u306b\u3001<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u7d9a\u3051\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u3067\u306f\u3001\u4f8b\u5916\u306f<code>Throwable<\/code>class\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u4e2d\u306b\u767a\u751f\u3057\u305f\u30a8\u30e9\u30fc\u307e\u305f\u306f\u4e88\u671f\u3057\u306a\u3044\u72b6\u614b\u3092\u8868\u3057\u307e\u3059\u3002\u4f8b\u5916\u306f\u3001\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u30b9\u30ed\u30fc\u304a\u3088\u3073\u30ad\u30e3\u30c3\u30c1\u3059\u308b\u3053\u3068\u3067\u51e6\u7406\u3067\u304d\u307e\u3059\u3002\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3059\u308b\u306b\u306f<code>throw<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3001\u4f8b\u5916\u3092\u30ad\u30e3\u30c3\u30c1\u3059\u308b\u306b\u306f<code>try-catch<\/code>\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<code>try-catch<\/code>\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u30011 \u3064\u306e<code>try<\/code>\u30d6\u30ed\u30c3\u30af\u3068 1 \u3064\u4ee5\u4e0a\u306e<code>catch<\/code>\u30d6\u30ed\u30c3\u30af\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<code>try<\/code>\u30d6\u30ed\u30c3\u30af\u306f\u3001\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u30b3\u30fc\u30c9\u3092\u542b\u3081\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001<code>catch<\/code>\u30d6\u30ed\u30c3\u30af\u306f\u4f8b\u5916\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3059\u308b\u3068\u3001\u73fe\u5728\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u4f8b\u5916\u3092\u51e6\u7406\u3067\u304d\u308b<code>catch<\/code>\u30d6\u30ed\u30c3\u30af\u3002\u73fe\u5728\u306e\u30e1\u30bd\u30c3\u30c9<code>catch<\/code>\u306b\u4f8b\u5916\u3092\u51e6\u7406\u3067\u304d\u308b\u30d6\u30ed\u30c3\u30af\u304c\u306a\u3044\u5834\u5408\u306f\u3001\u5f15\u304d\u7d9a\u304d\u51e6\u7406\u3067\u304d\u308b\u30d6\u30ed\u30c3\u30af\u3092\u63a2\u3057\u307e\u3059\u3002\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u305f\u4e0a\u4f4d\u30e1\u30bd\u30c3\u30c9\u306e\u4f8b\u5916\u306f<code>catch<\/code>\u3001\u4f8b\u5916\u3092\u51e6\u7406\u3059\u308b<code>catch<\/code>\u30d6\u30ed\u30c3\u30af\u304c\u898b\u3064\u304b\u308b\u304b\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u6700\u4e0a\u4f4d\u306b\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3059\u308b\u307e\u3067\u30d6\u30ed\u30c3\u30af\u3055\u308c\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u9069\u5207\u306a\u4f8b\u5916\u51e6\u7406\u3092\u63d0\u4f9b\u3057\u306a\u3044\u5834\u5408\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u5b9f\u884c\u3092\u7d42\u4e86\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u30af\u30e9\u30b9\u3092<code>try-catch<\/code>\u30d6\u30ed\u30c3\u30af\u3001\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u30af\u30e9\u30b9\u306f<code>Throwable<\/code>\u307e\u305f\u306f\u305d\u306e\u30b5\u30d6\u30af\u30e9\u30b9\u304b\u3089\u7d99\u627f\u3057\u3001\u9069\u5207\u306a\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3092\u63d0\u4f9b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306f\u3001\u901a\u5e38\u3001\u4f8b\u5916\u306e\u539f\u56e0\u3092\u8aac\u660e\u3059\u308b\u30a8\u30e9\u30fc \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">scss\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>class MyException(message: String) : RuntimeException(message)\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f<code>MyException<\/code>\u3001<code>RuntimeException<\/code>\u30af\u30e9\u30b9\u304b\u3089\u7d99\u627f\u3057\u3001\u30a8\u30e9\u30fc \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u5165\u308c\u308b\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3092\u63d0\u4f9b\u3059\u308b\u3068\u3044\u3046\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u72b6\u6cc1\u306b\u906d\u9047\u3057\u305f\u5834\u5408\u3001<code>throw<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3002\u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">scss\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>if (age &lt; 0) {\n    throw MyException(\"Invalid age\")\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001 \u306e\u5024<code>age<\/code>\u304c\u3001&nbsp;<code>MyException<\/code>\u300c\u5e74\u9f62\u304c\u7121\u52b9\u3067\u3059\u300d\u3068\u3044\u3046\u30a8\u30e9\u30fc \u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u3068\u3082\u306b\u4f8b\u5916\u304c\u30b9\u30ed\u30fc\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u3067\u306f\u3001\u4f8b\u5916\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u4e2d\u306b\u767a\u751f\u3057\u305f\u30a8\u30e9\u30fc\u307e\u305f\u306f\u4e88\u671f\u3057\u306a\u3044\u72b6\u614b\u3092\u8868\u3059\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3002\u4f8b\u5916\u306f\u3001\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u30b9\u30ed\u30fc\u304a\u3088\u3073\u30ad\u30e3\u30c3\u30c1\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u51e6\u7406\u3067\u304d\u307e\u3059\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u5185\u306e\u4f8b\u5916\u306f\u3001\u4f8b\u5916\u30af\u30e9\u30b9\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u3088\u308a\u9069\u5207\u306b\u8a18\u8ff0\u304a\u3088\u3073\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin \u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>Kotlin \u3067\u306f\u3001\u4f8b\u5916\u30af\u30e9\u30b9\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3057\u3066\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u767a\u751f\u3057\u305f\u7279\u5b9a\u306e\u30a8\u30e9\u30fc\u3092\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u30af\u30e9\u30b9\u306f<code>Throwable<\/code>\u3001\u307e\u305f\u306f\u305d\u306e\u3002\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u30af\u30e9\u30b9\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u5185\u306e\u4f8b\u5916\u3092\u3088\u308a\u9069\u5207\u306b\u8a18\u8ff0\u304a\u3088\u3073\u51e6\u7406\u3067\u304d\u308b\u305f\u3081\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5805\u7262\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u3001\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u30af\u30e9\u30b9\u306e\u30b5\u30f3\u30d7\u30eb \u30b3\u30fc\u30c9\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>class CustomException(message: String) : Exception(message)\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f<code>CustomException<\/code>\u3001<code>Exception<\/code>\u30af\u30e9\u30b9\u304b\u3089\u7d99\u627f\u3057\u3001\u30a8\u30e9\u30fc \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u5165\u308c\u308b\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u3092\u63d0\u4f9b\u3059\u308b\u3068\u3044\u3046\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fc\u306e<code>message<\/code>\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u3001\u4f8b\u5916\u306e\u539f\u56e0\u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u72b6\u6cc1\u306b\u906d\u9047\u3057\u305f\u5834\u5408\u3001<code>throw<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3002\u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>fun divide(a: Int, b: Int): Int {\n    if (b == 0) {\n        throw CustomException(\"Division by zero is not allowed.\")\n    }\n    return a \/ b\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u9664\u6570<code>b<\/code>\u306e\u3001&nbsp;<code>CustomException<\/code>\u300c0 \u306b\u3088\u308b\u9664\u7b97\u306f\u8a31\u53ef\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u300d\u3068\u3044\u3046\u30a8\u30e9\u30fc \u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u3068\u3082\u306b\u4f8b\u5916\u304c\u30b9\u30ed\u30fc\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u3092\u30ad\u30e3\u30c3\u30c1\u3059\u308b\u3068\u3001\u4e00\u822c\u7684\u306a<code>try-catch<\/code>\u69cb\u6587\u3002\u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>try {\n    val result = divide(10, 0)\n    println(result)\n} catch (e: CustomException) {\n    println(\"Caught CustomException: ${e.message}\")\n} catch (e: Exception) {\n    println(\"Caught an exception: ${e.message}\")\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u6700\u521d\u306b<code>divide<\/code>function\u3001\u3053\u308c\u306f<code>CustomException<\/code>\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u6b21\u306b\u3001<code>try-catch<\/code>\u69cb\u6587\u53ef\u80fd\u6027\u306e\u3042\u308b\u4f8b\u5916\u3092\u30ad\u30e3\u30c3\u30c1\u3057\u3001\u4f8b\u5916\u306e\u7a2e\u985e\u306b\u5f93\u3063\u3066\u305d\u308c\u3089\u3092\u51e6\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001Kotlin \u3067\u306f\u3001\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u767a\u751f\u3057\u305f\u7279\u5b9a\u306e\u30a8\u30e9\u30fc\u3092\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u30af\u30e9\u30b9\u306f<code>Throwable<\/code>\u3001\u307e\u305f\u306f\u305d\u306e\u3002\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001<code>throw<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3057\u3001<code>try-catch<\/code>\u30ab\u30b9\u30bf\u30e0\u4f8b\u5916\u3092\u30ad\u30e3\u30c3\u30c1\u3059\u308b\u3068\u304d\u306b\u4e00\u822c\u7684\u306a\u69cb\u6587\u306b\u5f93\u3063\u3066\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin \u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u57fa\u672c\u6982\u5ff5\u3068\u4f7f\u3044\u65b9\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u30b3\u30eb\u30fc\u30c1\u30f3\u306f\u3001\u8efd\u91cf\u3067\u52b9\u7387\u7684\u306a\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9 \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 \u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3067\u304d\u308b\u4e26\u884c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0 \u30e2\u30c7\u30eb\u3067\u3042\u308a\u3001\u5f93\u6765\u306e\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9 \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u591a\u304f\u306e\u554f\u984c\u3092\u56de\u907f\u3057\u307e\u3059\u3002Kotlin \u3067\u306f\u3001\u30b3\u30eb\u30fc\u30c1\u30f3\u306f\u8a00\u8a9e\u30ec\u30d9\u30eb\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u304a\u308a\u3001kotlinx.coroutines \u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u901a\u3058\u3066\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u57fa\u672c\u6982\u5ff5: Kotlin \u3067\u306f\u3001\u30b3\u30eb\u30fc\u30c1\u30f3\u306f\u5358\u4e00\u306e\u30b9\u30ec\u30c3\u30c9\u3067\u8907\u6570\u306e\u30bf\u30b9\u30af\u3092\u540c\u6642\u306b\u5b9f\u884c\u3067\u304d\u308b\u8efd\u91cf\u306e\u30b9\u30ec\u30c3\u30c9\u3067\u3042\u308a\u3001\u305d\u308c\u306b\u3088\u3063\u3066\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u52b9\u7387\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002\u30b3\u30eb\u30fc\u30c1\u30f3\u306f\u3001\u4e00\u6642\u505c\u6b62\u3068\u518d\u958b\u306b\u3088\u3063\u3066\u975e\u540c\u671f\u5b9f\u884c\u3092\u5b9f\u88c5\u3057\u3001\u5f93\u6765\u306e\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9 \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u983b\u7e41\u306b\u30b9\u30ec\u30c3\u30c9\u3092\u4f5c\u6210\u304a\u3088\u3073\u7834\u68c4\u3059\u308b\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u56de\u907f\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u4f7f\u7528: Kotlin \u3067\u306f\u3001kotlinx.coroutines \u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30eb\u30fc\u30c1\u30f3\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u30b3\u30eb\u30fc\u30c1\u30f3\u3092\u4f7f\u7528\u3057\u305f\u30b3\u30fc\u30c9\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>import kotlinx.coroutines.*\n\nfun main() = runBlocking {\n    val job = launch {\n        delay(1000L)\n        println(\"World!\")\n    }\n    println(\"Hello,\")\n    job.join()\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>runBlocking<\/code>\u95a2\u6570\u30b3\u30eb\u30fc\u30c1\u30f3\u3092\u4f5c\u6210\u3057\u3001<code>launch<\/code>\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u65b0\u3057\u3044\u30b3\u30eb\u30fc\u30c1\u30f3\u3092\u958b\u59cb\u3057\u307e\u3059\u3002\u65b0\u3057\u3044\u30b3\u30eb\u30fc\u30c1\u30f3\u3067\u306f\u3001<code>delay<\/code>\u95a2\u6570\u6642\u9593\u306e\u304b\u304b\u308b\u64cd\u4f5c\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3057\u3001\u300cWorld!\u300d\u3092\u51fa\u529b\u3057\u307e\u3059\u3002\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3067\u306f\u3001\u6700\u521d\u306b\u300cHello\u300d\u3092\u51fa\u529b\u3057\u3066\u304b\u3089\u3001\u65b0\u3057\u3044\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u5b9f\u884c\u304c\u5b8c\u4e86\u3059\u308b\u306e\u3092\u5f85\u3061\u307e\u3059\u3002\u30b3\u30eb\u30fc\u30c1\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b7\u30f3\u30b0\u30eb \u30b9\u30ec\u30c3\u30c9\u3067\u975e\u540c\u671f\u5b9f\u884c\u3092\u5b9f\u88c5\u3067\u304d\u308b\u305f\u3081\u3001\u5f93\u6765\u306e\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9 \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u983b\u7e41\u306b\u30b9\u30ec\u30c3\u30c9\u3092\u4f5c\u6210\u304a\u3088\u3073\u7834\u68c4\u3059\u308b\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30eb\u30fc\u30c1\u30f3\u3067\u306f\u3001<code>suspend<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3002\u30b5\u30b9\u30da\u30f3\u30c9\u95a2\u6570\u306f\u3001<code>suspendCoroutine<\/code>\u307e\u305f\u306f\u3002\u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>suspend fun foo(): Int {\n    delay(1000L)\n    return 42\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>suspend<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9suspend \u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059<code>foo<\/code>\u3002\u3053\u308c\u306f\u3001\u6642\u9593\u306e\u304b\u304b\u308b\u64cd\u4f5c\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3057\u3001\u6574\u6570\u5024\u3092\u8fd4\u3057\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u3067\u306f\u3001<code>delay<\/code>\u95a2\u6570\u6642\u9593\u306e\u304b\u304b\u308b\u64cd\u4f5c\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3057\u3001\u73fe\u5728\u306e\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u5b9f\u884c\u3092\u4e2d\u65ad\u3057\u307e\u3059\u3002\u30b3\u30eb\u30fc\u30c1\u30f3\u3067\u306f\u3001<code>foo<\/code>\u95a2\u6570\u3001<code>foo<\/code>\u95a2\u6570\u306e\u5b9f\u884c\u7d50\u679c\u3092\u5f85\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><code>launch<\/code>\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u65b0\u3057\u3044\u30b3\u30eb\u30fc\u30c1\u30f3\u3092\u958b\u59cb\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001<code>async<\/code>\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u975e\u540c\u671f\u30bf\u30b9\u30af\u3092\u958b\u59cb\u3057\u3001&nbsp;<code>Deferred<\/code>object\u3067\u304d\u307e\u3059\u3002<code>Deferred<\/code>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u975e\u540c\u671f\u8a08\u7b97\u306e\u7d50\u679c\u3092\u8868\u3057\u3001<code>await<\/code>\u95a2\u6570\u3002\u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>import kotlinx.coroutines.*\n\nfun main() = runBlocking {\n    val deferred = async {\n        delay(1000L)\n        42\n    }\n    println(\"The answer is ${deferred.await()}\")\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>async<\/code>\u95a2\u6570\u975e\u540c\u671f\u30bf\u30b9\u30af\u3092\u958b\u59cb\u3057\u3001<code>Deferred<\/code>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3057\u307e\u3059\u3002\u975e\u540c\u671f\u30bf\u30b9\u30af\u3067\u306f\u3001`delay \u3092\u4f7f\u7528\u3057\u307e\u3059<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u7d9a\u3051\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u3053\u306e\u95a2\u6570\u306f\u3001\u6642\u9593\u306e\u304b\u304b\u308b\u64cd\u4f5c\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3057\u3001\u6574\u6570\u5024\u3092\u8fd4\u3057\u307e\u3059\u3002\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3067\u306f\u3001<code>await<\/code>\u95a2\u6570\u975e\u540c\u671f\u30bf\u30b9\u30af\u306e\u7d50\u679c\u3092\u5f85\u3061\u3001\u7d50\u679c\u3092\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30eb\u30fc\u30c1\u30f3\u306f\u30ad\u30e3\u30f3\u30bb\u30eb\u3082\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<code>cancel<\/code>\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30eb\u30fc\u30c1\u30f3\u3092\u30ad\u30e3\u30f3\u30bb\u30eb\u3057\u305f\u308a\u3001 \u307e\u305f\u306f\u95a2\u6570<code>withTimeout<\/code>\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092\u8a2d\u5b9a\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002<code>withContext<\/code>\u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>import kotlinx.coroutines.*\n\nfun main() = runBlocking {\n    val job = launch {\n        try {\n            withTimeout(1000L) {\n                repeat(1000) {\n                    delay(10L)\n                    println(\"I'm sleeping $it ...\")\n                }\n            }\n        } catch (e: TimeoutCancellationException) {\n            println(\"Timed out!\")\n        }\n    }\n    delay(1500L)\n    job.cancel()\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>withTimeout<\/code>\u95a2\u6570\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092 1000 \u30df\u30ea\u79d2\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u65b0\u3057\u3044\u30b3\u30eb\u30fc\u30c1\u30f3\u3067\u306f\u3001<code>repeat<\/code>\u95a2\u6570\u6642\u9593\u306e\u304b\u304b\u308b\u64cd\u4f5c\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3057\u3001\u3044\u304f\u3064\u304b\u306e\u60c5\u5831\u3092\u51fa\u529b\u3057\u307e\u3059\u3002\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u3067\u306f\u3001<code>cancel<\/code>\u95a2\u6570\u3002\u30b3\u30eb\u30fc\u30c1\u30f3\u3067\u306f\u3001<code>try-catch<\/code>\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\u3001Kotlin \u3067\u306f\u3001\u30b3\u30eb\u30fc\u30c1\u30f3\u306f\u5358\u4e00\u306e\u30b9\u30ec\u30c3\u30c9\u3067\u8907\u6570\u306e\u30bf\u30b9\u30af\u3092\u540c\u6642\u306b\u5b9f\u884c\u3067\u304d\u308b\u8efd\u91cf\u306e\u30b9\u30ec\u30c3\u30c9\u3067\u3042\u308a\u3001\u305d\u308c\u306b\u3088\u3063\u3066\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u52b9\u7387\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002You can use the kotlinx.coroutines library to use coroutines. \u95a2\u6570\u306e\u4e2d\u65ad\u3001\u975e\u540c\u671f\u30bf\u30b9\u30af\u3001\u30ad\u30e3\u30f3\u30bb\u30eb\u64cd\u4f5c\u306a\u3069\u306e\u6a5f\u80fd\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u975e\u540c\u671f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3084\u4e26\u884c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306a\u3069\u306e\u8907\u96d1\u306a\u30bf\u30b9\u30af\u3092\u7c21\u5358\u306b\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>Kotlin \u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u3068\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u3068\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306f\u3001\u30b3\u30eb\u30fc\u30c1\u30f3\u5b9f\u884c\u306e\u30b9\u30ec\u30c3\u30c9\u3068\u5b9f\u884c\u74b0\u5883\u3092\u6c7a\u5b9a\u3059\u308b\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3059\u3002Kotlin \u3067\u306f\u3001\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u3068\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306e\u4e21\u65b9\u304c<code>CoroutineContext<\/code>classes\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b3\u30eb\u30fc\u30c1\u30f3 \u30c7\u30a3\u30b9\u30d1\u30c3\u30c1\u30e3\u30fc: \u30b3\u30eb\u30fc\u30c1\u30f3 \u30c7\u30a3\u30b9\u30d1\u30c3\u30c1\u30e3\u30fc\u306f\u3001\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u3092\u62c5\u5f53\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3042\u308a\u3001\u30b3\u30eb\u30fc\u30c1\u30f3\u5b9f\u884c\u306e\u30b9\u30ec\u30c3\u30c9\u3068\u5b9f\u884c\u74b0\u5883\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002Kotlin \u3067\u306f\u3001\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u306f<code>CoroutineDispatcher<\/code>class\u3001\u6b21\u306e\u30bf\u30a4\u30d7\u306b\u5206\u985e\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30d5\u30a9\u30eb\u30c8: \u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u306f\u3001\u4f7f\u7528\u53ef\u80fd\u306a CPU \u306e\u6570\u306b\u5fdc\u3058\u3066\u3001\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u5b9f\u884c\u30b9\u30ec\u30c3\u30c9\u3092\u81ea\u52d5\u7684\u306b\u5272\u308a\u5f53\u3066\u307e\u3059\u3002\u30de\u30eb\u30c1 CPU \u74b0\u5883\u3067\u306f\u3001\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u540c\u6642\u5b9f\u884c\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>IO: \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8981\u6c42\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u66f8\u304d\u306a\u3069\u3001I\/O \u95a2\u9023\u306e\u30b3\u30eb\u30fc\u30c1\u30f3 \u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u306f\u5c02\u7528\u306e\u30b9\u30ec\u30c3\u30c9 \u30d7\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001I\/O \u64cd\u4f5c\u4e2d\u306b\u30b3\u30eb\u30fc\u30c1\u30f3\u3092\u4e00\u6642\u505c\u6b62\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30e1\u30a4\u30f3: UI \u95a2\u9023\u306e\u64cd\u4f5c\u306a\u3069\u3001\u30e1\u30a4\u30f3 \u30b9\u30ec\u30c3\u30c9\u3067\u30b3\u30eb\u30fc\u30c1\u30f3 \u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u306f\u3001\u30b3\u30eb\u30fc\u30c1\u30f3 \u30bf\u30b9\u30af\u3092\u30e1\u30a4\u30f3 \u30b9\u30ec\u30c3\u30c9\u306e\u30e1\u30c3\u30bb\u30fc\u30b8 \u30ad\u30e5\u30fc\u306b\u59d4\u4efb\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001UI \u64cd\u4f5c\u306e\u30b9\u30ec\u30c3\u30c9 \u30bb\u30fc\u30d5\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>Unconfined: \u73fe\u5728\u306e\u30b9\u30ec\u30c3\u30c9\u3067\u30b3\u30eb\u30fc\u30c1\u30f3 \u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3067\u304d\u308b\u7121\u5236\u9650\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u3002\u3053\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u306f\u3001\u8a08\u7b97\u96c6\u7d04\u578b\u30bf\u30b9\u30af\u306a\u3069\u3001\u30b9\u30ec\u30c3\u30c9 \u30bb\u30fc\u30d5\u306e\u4fdd\u8a3c\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u4e00\u90e8\u306e\u30bf\u30b9\u30af\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8: \u30b3\u30eb\u30fc\u30c1\u30f3 \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306f\u3001\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u3068\u305d\u306e\u4ed6\u306e\u95a2\u9023\u60c5\u5831\u3092\u542b\u3080\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3042\u308a\u3001\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u5b9f\u884c\u74b0\u5883\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002Kotlin \u3067\u306f\u3001\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306f<code>CoroutineContext<\/code>class\u3001\u6b21\u306e\u8981\u7d20\u3092\u542b\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30eb\u30fc\u30c1\u30f3\u30c7\u30a3\u30b9\u30d1\u30c3\u30c1\u30e3\u30fc<\/li>\n\n\n\n<li>\u30b3\u30eb\u30fc\u30c1\u30f3\u540d<\/li>\n\n\n\n<li>\u4f8b\u5916\u30cf\u30f3\u30c9\u30e9<\/li>\n\n\n\n<li>\u305d\u306e\u4ed6\u306e\u62e1\u5f35\u5c5e\u6027<\/li>\n<\/ul>\n\n\n\n<p><code>CoroutineScope<\/code>\u3053\u306e\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3068\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b9\u30b3\u30fc\u30d7\u5185\u306e\u3059\u3079\u3066\u306e\u30b3\u30eb\u30fc\u30c1\u30f3\u3092\u542b\u3080\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b9\u30b3\u30fc\u30d7\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<code>withContext<\/code>\u95a2\u6570\u3068<code>launch<\/code>\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u5b9f\u884c\u74b0\u5883\u3092\u5207\u308a\u66ff\u3048\u3001\u7570\u306a\u308b\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u30b3\u30eb\u30fc\u30c1\u30f3 \u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">kotlin\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b<code>import kotlinx.coroutines.*\n\nfun main() = runBlocking {\n    val job = launch(Dispatchers.IO) {\n        println(\"Thread: ${Thread.currentThread().name}\")\n        val result = withContext(Dispatchers.Default) {\n            println(\"Thread: ${Thread.currentThread().name}\")\n            compute(10)\n        }\n        println(\"Result: $result\")\n    }\n    job.join()\n}\n\nsuspend fun compute(x: Int): Int {\n    delay(1000L)\n    return x * x\n}\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001<code>launch<\/code>\u95a2\u6570\u65b0\u3057\u3044\u30b3\u30eb\u30fc\u30c1\u30f3\u3092\u4f5c\u6210\u3057\u3001\u305d\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u30fc\u3092 IO \u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u30fc\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u30b3\u30eb\u30fc\u30c1\u30f3\u3067\u306f\u3001<code>withContext<\/code>\u95a2\u6570\u30b3\u30eb\u30fc\u30c1\u30f3\u3092\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3057\u307e\u3059<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/edu.ujhb.org\/?p=1744\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u7d9a\u3051\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u304c\u30c7\u30d5\u30a9\u30eb\u30c8 \u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u306b\u5207\u308a\u66ff\u3048\u3089\u308c\u3001<code>compute<\/code>\u95a2\u6570\u304c\u8a08\u7b97\u304c\u5b9f\u884c\u3055\u308c\u3001\u8a08\u7b97\u7d50\u679c\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002\u8a08\u7b97\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u8a08\u7b97\u7d50\u679c\u3092\u51fa\u529b\u3057\u3066\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u5b9f\u884c\u3092\u7d42\u4e86\u3057\u307e\u3059\u3002\u30b3\u30eb\u30fc\u30c1\u30f3\u3067\u306f\u3001\u73fe\u5728\u306e\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u5b9f\u884c\u30b9\u30ec\u30c3\u30c9\u3092\u53d6\u5f97\u3059\u308b<code>Thread.currentThread().name<\/code>\u305f\u3081\u306b\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\u3001\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u3068\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306f\u3001\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u5b9f\u884c\u74b0\u5883\u3068\u5b9f\u884c\u30b9\u30ec\u30c3\u30c9\u3092\u6c7a\u5b9a\u3059\u308b Kotlin \u3067\u306e\u30b3\u30eb\u30fc\u30c1\u30f3 \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3059\u3002\u30b3\u30eb\u30fc\u30c1\u30f3\u3067\u306f\u3001<code>withContext<\/code>\u95a2\u6570\u3068<code>launch<\/code>\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u5b9f\u884c\u74b0\u5883\u3092\u5207\u308a\u66ff\u3048\u3001\u7570\u306a\u308b\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u30b3\u30eb\u30fc\u30c1\u30f3 \u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u3068\u30b3\u30eb\u30fc\u30c1\u30f3 \u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306e\u4f7f\u7528\u306b\u7fd2\u719f\u3059\u308b\u3068\u3001\u3088\u308a\u67d4\u8edf\u3067\u52b9\u7387\u7684\u306a\u30b3\u30eb\u30fc\u30c1\u30f3 \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30ec\u30f3\u30b9\u3068\u3057\u3066\u4f7f\u7528\u3067\u304d\u308b Kotlin \u30c1 &hellip; 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