{"id":95999,"date":"2020-11-18T04:48:48","date_gmt":"2020-11-18T03:48:48","guid":{"rendered":"https:\/\/blog.jetbrains.com\/?post_type=kotlin&#038;p=95999"},"modified":"2020-11-18T04:59:46","modified_gmt":"2020-11-18T03:59:46","slug":"productive-server-side-development-with-kotlin-stories-ja","status":"publish","type":"kotlin","link":"https:\/\/blog.jetbrains.com\/ja\/kotlin\/2020\/11\/productive-server-side-development-with-kotlin-stories-ja\/","title":{"rendered":"Kotlin \u306b\u3088\u308b\u751f\u7523\u6027\u306e\u9ad8\u3044\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u958b\u767a: \u63a1\u7528\u4e8b\u4f8b"},"content":{"rendered":"<p>Kotlin \u306f Java \u306e\u4ee3\u66ff\u8a00\u8a9e\u3068\u3057\u3066\u4f5c\u6210\u3055\u308c\u3001JVM \u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u5185\u306b\u304a\u3051\u308b\u4f7f\u7528\u53ef\u80fd\u306a\u9818\u57df\u306f Java \u3068\u540c\u3058\u3067\u3042\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u5f53\u7136\u306a\u304c\u3089\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u958b\u767a\u3082\u5bfe\u8c61\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<hr \/>\n<p><strong>\u79c1\u305f\u3061\u306f Kotlin \u3092\u7528\u3044\u305f\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u4f53\u9a13\u306b\u95a2\u3059\u308b\u7686\u69d8\u306e\u58f0\u3092\u52df\u96c6\u3057\u3001\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306b\u5171\u6709\u3057\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/strong><\/p>\n<p><strong><a href=\"https:\/\/docs.google.com\/forms\/d\/e\/1FAIpQLSeMcSwPO9vNKovrut0TwmTPXjCmfWte2THXBx6VdzH39vcmxw\/viewform\" target=\"_blank\" rel=\"noopener\">\u3053\u3061\u3089\u304b\u3089\u7686\u69d8\u306e\u4f53\u9a13\u8ac7\u3092\u304a\u805e\u304b\u305b\u304f\u3060\u3055\u3044\uff01<\/a><\/strong><\/p>\n<hr \/>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/11\/Screenshot-2020-11-09-at-18.13.01.png\" alt=\"\" \/><\/p>\n<p>Kotlin \u306f\u8fd1\u5e74\u3001Android \u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3067\u9a5a\u7570\u7684\u306a\u6210\u9577\u3092\u9042\u3052\u307e\u3057\u305f\u3002 \u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u958b\u767a\u3067\u306e Kotlin \u306e\u63a1\u7528\u3082\u5f90\u3005\u306b\u9032\u3093\u3067\u3044\u307e\u3059\u3002 \u3057\u304b\u3057\u306a\u304c\u3089\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u958b\u767a\u3078\u306e Kotlin \u306e\u63a1\u7528\u3092\u304a\u8003\u3048\u306e\u4f01\u696d\u69d8\u304b\u3089\u306f\u300c<em><strong>\u4ed6\u306b\u540c\u3058\u76ee\u7684\u3067 Kotlin \u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u4f01\u696d\u306f\u5b58\u5728\u3059\u308b\u306e\u304b\uff1f<\/strong><\/em>\u300d\u3068\u3044\u3046\u3054\u8cea\u554f\u3092\u591a\u304f\u3044\u305f\u3060\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4f01\u696d\u306f\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306e\u9078\u5b9a\u306b\u969b\u3057\u3001\u78ba\u5b9f\u306b\u9069\u5207\u306a\u5224\u65ad\u3092\u4e0b\u3057\u305f\u3044\u3068\u8003\u3048\u308b\u3082\u306e\u3067\u3059\u3002 \u307e\u305f\u3001\u4ed6\u793e\u304c\u307e\u3063\u305f\u304f\u540c\u3058\u76ee\u7684\u3067\u305d\u306e\u3088\u3046\u306a\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306e\u5c0e\u5165\u306b\u6210\u529f\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u304b\u3081\u305f\u304c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u958b\u767a\u306b Kotlin \u3092\u63a1\u7528\u3057\u305f\u3044\u304f\u3064\u304b\u306e\u4f01\u696d\u3092\u7c21\u5358\u306b\u7d39\u4ecb\u3057\u307e\u3059\u3002 Kotlin \u3092\u540c\u3058\u76ee\u7684\u3067\u63a1\u7528\u3057\u3088\u3046\u3068\u304a\u8003\u3048\u306e\u7686\u69d8\u306f\u3001\u3053\u306e\u6295\u7a3f\u3092\u5224\u65ad\u6750\u6599\u3068\u3057\u3066\u5f79\u7acb\u3066\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><em>\u3053\u306e\u30d6\u30ed\u30b0\u8a18\u4e8b\u306f\u3001Kotlin 1.4 \u30aa\u30f3\u30e9\u30a4\u30f3\u30a4\u30d9\u30f3\u30c8\u3067\u306e\u767a\u8868\u5185\u5bb9\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002 \u52d5\u753b\u306e\u5168\u7de8\u306f\u5f53\u793e <a href=\"https:\/\/youtu.be\/8xAH7RU0Y44\" target=\"_blank\" rel=\"noopener\">YouTube \u30c1\u30e3\u30f3\u30cd\u30eb<\/a>\u3067\u3054\u89a7\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/em><\/p>\n<h2>Kotlin \u3092\u9078\u629e\u3059\u3079\u304d\u7406\u7531<\/h2>\n<p>\u79c1\u305f\u3061\u306f Kotlin \u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u958b\u767a\u8005\u306b\u5bfe\u3059\u308b\u30a4\u30f3\u30bf\u30d3\u30e5\u30fc\u3092\u5b9a\u671f\u7684\u306b\u5b9f\u65bd\u3057\u3001Kotlin \u3092\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u958b\u767a\u306b\u4f7f\u7528\u3057\u3066\u3044\u308b\u5927\u5c0f\u3055\u307e\u3056\u307e\u306a\u4f01\u696d\u306b\u3064\u3044\u3066\u8abf\u67fb\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002 \u7279\u306b\u3001\u4f01\u696d\u304c Kotlin \u3092\u9078\u629e\u3057\u3066\u3044\u308b\u7406\u7531\u3084\u3001Kotlin \u304b\u3089\u4eab\u53d7\u3057\u3066\u3044\u308b\u30e1\u30ea\u30c3\u30c8\u306b\u5e38\u306b\u6ce8\u76ee\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Kotlin \u306b\u306f\u591a\u304f\u306e\u512a\u308c\u305f\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u30a4\u30f3\u30bf\u30d3\u30e5\u30fc\u306b\u304a\u3044\u3066\u7279\u306b\u597d\u8a55\u3060\u3063\u305f\u4ee5\u4e0b\u306e\u7279\u5fb4\u306b\u3064\u3044\u3066\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u69cb\u6587\u306e\u7c21\u6f54\u3055\u3002<\/strong>\u8a00\u8a9e\u306e\u8868\u73fe\u529b\u304c\u9ad8\u3044\u305f\u3081\u3001\u30b3\u30fc\u30c9\u3092\u7c21\u6f54\u306b\u8a18\u8ff0\u3067\u304d\u307e\u3059\u3002 \u30b3\u30fc\u30c9\u306e\u8a18\u8ff0\u91cf\u304c\u5c11\u306a\u3044\u307b\u3069\u3001\u6700\u7d42\u7684\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u7d1b\u308c\u8fbc\u3080\u30d0\u30b0\u306e\u6570\u3082\u5c11\u306a\u304f\u306a\u308a\u3001\u6700\u7d42\u7684\u306a\u30b3\u30fc\u30c9\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>Null \u5b89\u5168\u6a5f\u80fd\u3002<\/strong>\u3053\u308c\u306f\u3001\u958b\u767a\u8005\u304b\u3089\u6700\u3082\u8a55\u4fa1\u306e\u9ad8\u3044 Kotlin \u306e\u7279\u5fb4\u3067\u3059\u3002 Kotlin \u306e\u578b\u30b7\u30b9\u30c6\u30e0\u306f\u3001Billion Dollar Mistake\uff0810\u5104\u30c9\u30eb\u306b\u3082\u76f8\u5f53\u3059\u308b\u306e\u8aa4\u308a\uff09\u3068\u3082\u547c\u3070\u308c\u308b\u30b3\u30fc\u30c9\u304b\u3089\u306e null \u53c2\u7167\u304c\u767a\u751f\u3059\u308b\u30ea\u30b9\u30af\u3092\u6392\u9664\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002 Kotlin \u306e\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306b\u306f\u3053\u306e\u7279\u5225\u306a\u5b89\u5168\u6a5f\u80fd\u304c\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u305f\u3081\u3001null \u5024\u306e\u9006\u53c2\u7167\u306b\u95a2\u3059\u308b\u554f\u984c\u304c\u5c11\u306a\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>Java \u3068\u306e\u76f8\u4e92\u904b\u7528\u6027\u3002<\/strong>\u30db\u30b9\u30c8\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3068\u306e\u76f8\u4e92\u904b\u7528\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u3067\u3001\u751f\u7523\u6027\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u3066\u3044\u307e\u3059\uff01 Kotlin \u3067\u306f\u3001\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u542b\u3080 Java \u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3092\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002 \u307e\u305f\u3001Java \u306e\u30b3\u30fc\u30c9\u3092\u3059\u3079\u3066 Kotlin \u306b\u5909\u63db\u3059\u308b\u3053\u3068\u306a\u304f Kotlin \u3092\u5f90\u3005\u306b\u65e2\u5b58\u306e Java \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u5c0e\u5165\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>Kotlin \u30b3\u30eb\u30fc\u30c1\u30f3\u3002<\/strong>\u30b3\u30eb\u30fc\u30c1\u30f3\u306f\u547d\u4ee4\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e2\u30c7\u30eb\u3092\u4f7f\u7528\u3057\u3066\u975e\u540c\u671f\u306a\u30b3\u30fc\u30c9\u3092\u7c21\u5358\u306b\u5236\u5fa1\u3059\u308b\u624b\u6bb5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002 \u30b3\u30eb\u30fc\u30c1\u30f3\u306f\u591a\u304f\u306e\u30b7\u30b9\u30c6\u30e0\u30ea\u30bd\u30fc\u30b9\u3092\u7bc0\u7d04\u3059\u308b\u305f\u3081\u3001\u5927\u91cf\u306eIO\u64cd\u4f5c\u304c\u767a\u751f\u3059\u308b\u9ad8\u8ca0\u8377\u306e\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u969b\u306b\u7279\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002 <a href=\"https:\/\/spring.io\/blog\/2019\/04\/12\/going-reactive-with-spring-coroutines-and-kotlin-flow\" target=\"_blank\" rel=\"noopener\">\u30b3\u30eb\u30fc\u30c1\u30f3\u306e\u30b5\u30dd\u30fc\u30c8\u304c Spring Framework \u306b\u8ffd\u52a0\u3055\u308c\u305f<\/a>\u305f\u3081\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u958b\u767a\u8005\u304c\u3055\u3089\u306b\u7c21\u5358\u306b\u3053\u306e\u6a5f\u80fd\u3092\u6d3b\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/li>\n<li><strong>Kotlin Multiplatform\u3002<\/strong>Kotlin \u3067\u306f\u5404\u7a2e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\uff08JVM \/ JavaScript \/ Android \/ iOS\uff09\u306e\u307b\u304b\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3082\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u7570\u306a\u308b\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u5b9f\u884c\u3055\u308c\u308b\u5225\u3005\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u9593\u3067\u30b3\u30fc\u30c9\u3092\u5171\u6709\u3059\u308b\u6a5f\u80fd\u306f\u3001\u975e\u5e38\u306b\u5f79\u306b\u7acb\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002<\/li>\n<\/ul>\n<p>\u6b21\u306b\u3001Kotlin \u306e\u63a1\u7528\u306b\u3088\u3063\u3066\u958b\u767a\u30ec\u30d9\u30eb\u304c\u5411\u4e0a\u3057\u3066\u3044\u308b\u4e8b\u4f8b\u3092\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h2>JetBrains Space: \u30b3\u30fc\u30c9\u3092\u6700\u5927\u9650\u306b\u518d\u5229\u7528<\/h2>\n<p>\u7686\u3055\u3093\u306f JetBrains \u304c Kotlin \u3092\u793e\u5185\u3067\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u77e5\u3063\u3066\u3082\u9a5a\u304b\u306a\u3044\u3067\u3057\u3087\u3046\u3002 \u79c1\u305f\u3061\u306f Kotlin \u3092\u30c4\u30fc\u30eb\u3060\u3051\u3067\u306a\u304f\u3001\u30b5\u30fc\u30d3\u30b9\u306b\u3082\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002 KotlinConf 2019 \u3067\u767a\u8868\u3055\u308c\u305f\u30c1\u30fc\u30e0\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u3042\u308b <a href=\"https:\/\/www.jetbrains.com\/ja-jp\/space\/\" target=\"_blank\" rel=\"noopener\">JetBrains Space<\/a> \u306f\u3001Kotlin \u3068 <a href=\"https:\/\/ktor.io\/\" target=\"_blank\" rel=\"noopener\">Ktor<\/a> \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u4f7f\u7528\u3057\u3066\u4f5c\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002 JVM \u4e0a\u3067\u5b9f\u884c\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30b5\u30fc\u30d3\u30b9\u3001Android \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001iOS \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001IDE \u30d7\u30e9\u30b0\u30a4\u30f3\u306a\u3069\u3001Space \u3067\u306f\u3042\u3089\u3086\u308b\u90e8\u5206\u306b Kotlin \u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Kotlin Multiplatform \u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u308c\u3089\u3059\u3079\u3066\u306e\u7570\u306a\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u9593\u3067\u30b3\u30fc\u30c9\u306e\u5927\u90e8\u5206\u3092\u5171\u6709\u3057\u3066\u3044\u307e\u3059\u3002 UI \u3068\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30b3\u30fc\u30c9\u5168\u4f53\u3067\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u3092\u5171\u6709\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001Space \u3067\u306f\u30d3\u30e5\u30fc\u30e2\u30c7\u30eb\u3001\u691c\u8a3c\u30ed\u30b8\u30c3\u30af\u3001\u5171\u901a\u30e9\u30a4\u30d6\u30e9\u30ea\u3082\u5171\u6709\u3057\u3066\u3044\u307e\u3059\u3002 \u305f\u3060\u3057\u3001UI \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u56fa\u6709\u3067\u3042\u308b\u305f\u3081\u3001Kotlin \u30b3\u30fc\u30c9\u304c\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u3059\u308b\u5404\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u76f8\u4e92\u904b\u7528\u6027\u3082\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/JnmHqKLgYY4?enablejsapi=1\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<h3>Kotlin Multiplatform<\/h3>\n<p>Kotlin \u304c\u30de\u30eb\u30c1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u958b\u767a\u306b\u3069\u306e\u3088\u3046\u306b\u5f79\u7acb\u3063\u3066\u3044\u308b\u304b\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u4f8b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002 \u6b21\u306e\u30c7\u30fc\u30bf\u30af\u30e9\u30b9\u3092\u8907\u6570\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\uff08JVM\u3001JavaScript\u3001iOS\uff09\u306b\u4f7f\u7528\u3059\u308b\u5834\u5408\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"kotlin-code\" style=\"visibility: none; padding: 36px 0;\" data-highlight-only=\"true\">class Holiday {\r\n   val name: String,\r\n   val date: LocalDate\r\n}\r\n\r\n<\/pre>\n<p><em>String<\/em> \u30af\u30e9\u30b9\u306f Kotlin \u306e\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u5c5e\u3057\u3066\u3044\u307e\u3059\u304c\u3001LocalDate \u306f\u305d\u3046\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u3059\u308b\u5404\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u5bfe\u3057\u3001\u3069\u306e\u30af\u30e9\u30b9\u3092 <em>LocalDate<\/em> \u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u304b\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u305d\u306e\u305f\u3081\u306b\u306f\u3001\u7570\u306a\u308b\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u9593\u3067\u5171\u6709\u3055\u308c\u308b\u5171\u901a\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u4e2d\u3067 <strong><em>expect<\/em><\/strong> \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066 <em>LocalDate<\/em> \u30af\u30e9\u30b9\u3092\u5ba3\u8a00\u3057\u3001\u7570\u306a\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u5b9f\u969b\u306e\u5b9f\u88c5\u3092\u63d0\u4f9b\u3059\u308b\u3068\u4eee\u5b9a\u3057\u307e\u3059\u3002 <strong><em>actual<\/em><\/strong> \u30ad\u30fc\u30ef\u30fc\u30c9\u306f\u3001\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u56fa\u6709\u306e\u30b3\u30fc\u30c9\u3067\u4f7f\u7528\u3059\u3079\u304d\u578b\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"kotlin-code\" style=\"visibility: none; padding: 36px 0;\" data-highlight-only=\"true\">\/\/commonMain\r\nexpect class LocalDate()\r\n\r\n\/\/jvmMain\r\nactual typealias LocalDate = org.joda.time.LocalDate\r\n\r\n\/\/jsMain\r\nactual typealias LocalDate = Moment\r\n\r\n\/\/iosMain\r\nactual typealias LocalDate = NSDate\r\n<\/pre>\n<p>\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u56fa\u6709\u3067\u306f\u306a\u3044\u30b3\u30fc\u30c9\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5171\u901a\u30e2\u30b8\u30e5\u30fc\u30eb\u5185\u3067\u4e00\u5ea6\u3060\u3051\u8a18\u8ff0\u3067\u304d\u307e\u3059\u3002 \u3053\u306e\u5171\u901a\u30b3\u30fc\u30c9\u306f\u305d\u306e\u5f8c\u3001\u7279\u5b9a\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u3059\u308b\u5225\u3005\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u3088\u3063\u3066\u518d\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>Kotlin \u306e\u30de\u30eb\u30c1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u958b\u767a\u5bfe\u5fdc\u306f\u3001Android \u304a\u3088\u3073 iOS \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u9593\u3067\u30b3\u30fc\u30c9\u3092\u5171\u6709\u3057\u3066\u3044\u308b\u30e2\u30d0\u30a4\u30eb\u958b\u767a\u8005\u306b\u7279\u306b\u597d\u8a55\u3067\u3059\u3002 \u8a73\u7d30\u306b\u3064\u3044\u3066\u306f <a href=\"https:\/\/kotlinlang.org\/lp\/mobile\/\" target=\"_blank\" rel=\"noopener\">Kotlin Multiplatform Mobile \u306e Web \u30b5\u30a4\u30c8<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u3001<a href=\"https:\/\/kotlinlang.org\/lp\/mobile\/case-studies\/\" target=\"_blank\" rel=\"noopener\">\u4ed6\u793e\u306b\u3088\u308b\u540c\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306e\u4f7f\u7528\u4f53\u9a13<\/a>\u3082\u4f75\u305b\u3066\u304a\u8aad\u307f\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>Jira Software: Kotlin \u3068 Spring Boot \u3092\u4f7f\u7528\u3057\u305f\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u306e\u5b9f\u88c5<\/h2>\n<p>\u305d\u306e\u4ed6\u306e\u8208\u5473\u6df1\u3044\u4e8b\u4f8b\u306b\u306f\u3001Atlassian \u793e\u306e Jira \u304c\u3042\u308a\u307e\u3059\u3002 Atlassian \u793e\u3067\u306f Kotlin \u3092 Jira Software \u30af\u30e9\u30a6\u30c9\u88fd\u54c1\u306e\u958b\u767a\u306b\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u304b\u3064\u3066\u306e Jira \u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u30b9\u30bf\u30f3\u30c9\u30a2\u30ed\u30f3\u578b\u306e\u30e2\u30ce\u30ea\u30b7\u30c3\u30af\u306a Java \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3057\u305f\u3002 \u3057\u304b\u3057\u3001Jira \u30af\u30e9\u30a6\u30c9\u306e\u5c0e\u5165\u3068\u5171\u306b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u8907\u6570\u306e\u30b5\u30fc\u30d3\u30b9\u306b\u5206\u89e3\u3057\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u9ad8\u3081\u308b\u5fc5\u8981\u6027\u304c\u6025\u6fc0\u306b\u5897\u52a0\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u30af\u30e9\u30a6\u30c9\u3078\u306e\u79fb\u884c\u306b\u3088\u3063\u3066\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u30b9\u30bf\u30c3\u30af\u3092\u5237\u65b0\u3059\u308b\u6a5f\u4f1a\u304c\u751f\u307e\u308c\u3001Kotlin \u306e\u63a1\u7528\u304c\u8996\u91ce\u306b\u5165\u3063\u3066\u304d\u307e\u3057\u305f\u3002 \u958b\u767a\u8005\u306f\u540c\u8a00\u8a9e\u306e\u63a1\u7528\u306b\u6e80\u8db3\u3057\u3001\u751f\u7523\u6027\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\uff01 \u73fe\u5728\u3067\u306f Kotlin \u3068 Spring Boot \u3092\u4f75\u7528\u3057\u3066\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u3092\u5b9f\u88c5\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u3066\u3044\u307e\u3059\u3002 Kotlin \u3068 Spring \u306f Jira \u30af\u30e9\u30a6\u30c9\u30d5\u30a1\u30df\u30ea\u30fc\u5168\u4f53\uff08Jira Software\u3001Jira Service Desk\u3001Jira Core\uff09\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/4GkoB4hZUnw?enablejsapi=1\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<h2>Adobe: Kotlin \u30b3\u30eb\u30fc\u30c1\u30f3\u306b\u3088\u308a\u9ad8\u8ca0\u8377\u30b5\u30fc\u30d3\u30b9\u306e\u5236\u7d04\u3092\u89e3\u653e<\/h2>\n<p>Adobe Experience Platform \u30c1\u30fc\u30e0\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u958b\u767a\u306b Kotlin \u3092\u4f7f\u7528\u3059\u308b\u306e\u304c\u671b\u307e\u3057\u3044\u3068\u8003\u3048\u3066\u3044\u308b\u7406\u7531\u306b\u3064\u3044\u3066<a href=\"https:\/\/medium.com\/adobetech\/streamlining-server-side-app-development-with-kotlin-be8cf9d8b61a\" target=\"_blank\" rel=\"noopener\">\u8a18\u4e8b\u3092\u516c\u958b<\/a>\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u540c\u30c1\u30fc\u30e0\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u304c\u30e2\u30ce\u30ea\u30b7\u30c3\u30af\u306a Web \u30b3\u30f3\u30c6\u30ca\u30fc\u304b\u3089\u5206\u6563\u30e1\u30c3\u30b7\u30e5\u69cb\u9020\u306e\u30c7\u30fc\u30bf\u99c6\u52d5\u578b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9032\u5316\u3057\u305f\u3053\u3068\u3092\u6307\u6458\u3057\u3066\u3044\u307e\u3059\u3002 \u3053\u306e\u3088\u3046\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3057\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9001\u53d7\u4fe1\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u304c\u4f55\u3088\u308a\u3082\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u8a18\u4e8b\u306e\u4e2d\u3067\u306f\u3001Kotlin \u3092\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u958b\u767a\u306b\u4f7f\u7528\u3059\u308b\u4e3b\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u63b2\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u307e\u305f\u3001<a href=\"https:\/\/kotlinlang.org\/docs\/tutorials\/coroutines\/coroutines-basic-jvm.html\" target=\"_blank\" rel=\"noopener\">\u975e\u540c\u671f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0<\/a>\u306e\u30b5\u30dd\u30fc\u30c8\u304c\u6700\u3082\u6709\u76ca\u306a Kotlin \u306e\u7279\u5fb4\u3068\u3057\u3066\u6319\u3052\u3089\u308c\u3066\u3044\u307e\u3059\u3002 Kotlin \u30b3\u30eb\u30fc\u30c1\u30f3\u306f\u300c\u7fd2\u5f97\u304c\u5bb9\u6613\u300d\u3067\u3001\u5358\u7d14\u660e\u5feb\u304b\u3064\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u306b\u512a\u308c\u305f\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3067\u304d\u308b\u3068\u8ff0\u3079\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><em><strong>&#8220;Kotlin \u3067\u306f\u3001\u307b\u307c\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u306a\u547d\u4ee4\u578b\u30b3\u30fc\u30c9\u306e\u3088\u3046\u306b\u8aad\u3081\u308b\u300c\u76f4\u63a5\u30b9\u30bf\u30a4\u30eb\u300d\u3067\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3067\u304d\u307e\u3059\u3002&#8221;<\/strong><\/em><\/p>\n<p>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e I\/O \u306f\u975e\u5e38\u306b\u591a\u304f\u3001\u30ad\u30e5\u30fc\u3084\u5404\u7a2e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306a\u3069\u306e\u5916\u90e8\u30b5\u30fc\u30d3\u30b9\u3084\u4ed6\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002 \u307e\u305f\u3001\u3053\u306e\u3088\u3046\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u547c\u3073\u51fa\u3057\u306b\u3088\u3063\u3066\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u304c\u5bb9\u6613\u306b\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u305d\u306e\u305f\u3081\u3001Kotlin \u30b3\u30eb\u30fc\u30c1\u30f3\u306f\u3059\u3050\u306b\u540c\u793e\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u3068\u3063\u3066\u9b45\u529b\u7684\u306b\u6620\u308a\u307e\u3057\u305f\u3002 \u975e\u540c\u671f\u5316\u3059\u308b\u3053\u3068\u3067\u5168\u4f53\u7684\u306a\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u304c\u6539\u5584\u3055\u308c\u3001\u7d50\u679c\u7684\u306b\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30ea\u30bd\u30fc\u30b9\u3092\u7bc0\u7d04\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u4ed6\u3001Kotlin \u306e\u4e3b\u306a\u8a00\u8a9e\u6a5f\u80fd\u3067\u3042\u308b<a href=\"https:\/\/kotlinlang.org\/docs\/reference\/data-classes.html\" target=\"_blank\" rel=\"noopener\">\u30c7\u30fc\u30bf\u30af\u30e9\u30b9<\/a>\u3001\u5b89\u5168\u306a<a href=\"https:\/\/kotlinlang.org\/spec\/type-system.html\" target=\"_blank\" rel=\"noopener\">\u578b\u30b7\u30b9\u30c6\u30e0<\/a>\u3001<a href=\"https:\/\/kotlinlang.org\/docs\/reference\/null-safety.html\" target=\"_blank\" rel=\"noopener\">null \u5b89\u5168\u6a5f\u80fd<\/a>\u3001<a href=\"https:\/\/kotlinlang.org\/docs\/tutorials\/kotlin-for-py\/functional-programming.html\" target=\"_blank\" rel=\"noopener\">\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u30b5\u30dd\u30fc\u30c8<\/a>\u306b\u3082\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002 Kotlin \u306e\u69cb\u6587\u306f\u975e\u5e38\u306b\u67d4\u8edf\u6027\u304c\u9ad8\u3044\u305f\u3081\u3001\u5185\u90e8 DSL \u3092\u7c21\u5358\u306b\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u3053\u306e\u4e8b\u306f Adobe \u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3068\u3063\u3066\u3082\u975e\u5e38\u306b\u597d\u90fd\u5408\u3060\u3063\u305f\u3088\u3046\u3067\u3059\u3002 \u307e\u305f\u3001<a href=\"https:\/\/medium.com\/adobetech\/building-elegant-dsls-with-kotlin-707726c5ed21\" target=\"_blank\" rel=\"noopener\">Kotlin \u3092\u4f7f\u7528\u3057\u305f DSL \u306e\u4f5c\u6210<\/a>\u7d4c\u9a13\u306b\u95a2\u3059\u308b\u8a18\u4e8b\u3082\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>Expedia Group: Kotlin \u306b\u3088\u308b GraphQL API \u306e\u4f5c\u6210<\/h2>\n<p>Expedia \u306f <strong>null \u5b89\u5168\u304c\u4fdd\u8a3c\u3055\u308c\u305f\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc<\/strong>\u3001\u8a00\u8a9e\u306e<strong>\u7c21\u6f54\u3055<\/strong>\u3001\u5b8c\u5168\u306a <strong>Java \u3068\u306e\u76f8\u4e92\u904b\u7528\u6027<\/strong>\u3092\u7406\u7531\u306b Kotlin \u3092\u63a1\u7528\u3057\u307e\u3057\u305f\u3002 Java \u3068\u306e\u76f8\u4e92\u904b\u7528\u6027\u304c\u78ba\u4fdd\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b8c\u5168\u306b\u66f8\u304d\u63db\u3048\u308b\u3053\u3068\u306a\u304f\u5f90\u3005\u306b Kotlin \u3092\u53d6\u308a\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002 \u307e\u305f\u3001Java \u3068\u306e\u76f8\u4e92\u904b\u7528\u6027\u306b\u3088\u308a\u3001Expedia \u306f Kotlin \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068 Java \u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u5bb9\u6613\u306b\u9023\u643a\u3055\u305b\u3001\u65e2\u5b58\u306e JVM \u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3092\u30d5\u30eb\u6d3b\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<p><strong>Kotlin \u30b3\u30eb\u30fc\u30c1\u30f3<\/strong>\u306f\u3001Kotlin \u3092\u5e45\u5e83\u304f\u63a1\u7528\u3059\u308b\u3046\u3048\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3057\u305f\u3002 \u958b\u767a\u8005\u306f\u30b3\u30eb\u30fc\u30c1\u30f3\u3092\u4f7f\u7528\u3057\u3066\u5b8c\u5168\u306b\u975e\u540c\u671f\u306a\u30b3\u30fc\u30c9\u3092\u547d\u4ee4\u7684\u306a\u65b9\u6cd5\u3067\u8a18\u8ff0\u3067\u304d\u308b\u305f\u3081\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002 Expedia \u3067\u306f Spring Framework \u304c\u591a\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u30d0\u30fc\u30b8\u30e7\u30f3 5.2 \u4ee5\u964d\u3067\u306f <a href=\"https:\/\/spring.io\/blog\/2019\/04\/12\/going-reactive-with-spring-coroutines-and-kotlin-flow\" target=\"_blank\" rel=\"noopener\">WebFlux \u3068\u30b3\u30eb\u30fc\u30c1\u30f3\u3068\u306e\u76f8\u4e92\u904b\u7528\u6027<\/a>\u304c\u78ba\u4fdd\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u3053\u308c\u306f\u3001Expedia \u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3068\u3063\u3066\u753b\u671f\u7684\u306a\u5909\u5316\u3067\u3042\u308a\u3001\u7d50\u679c\u3068\u3057\u3066 Spring \u304a\u3088\u3073 Reactive \u30b9\u30bf\u30c3\u30af\u3092\u3088\u308a\u547d\u4ee4\u7684\u306a\u65b9\u6cd5\u3067\u6d3b\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u6700\u8fd1\u3001Expedia \u306f GraphQL \u306b\u79fb\u884c\u3057\u3001\u3059\u3079\u3066\u306e\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5f37\u5316\u3059\u308b\u5358\u4e00\u306e API \u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u3092\u6c7a\u5b9a\u3057\u307e\u3057\u305f\u3002 \u3053\u306e\u76ee\u6a19\u3092\u9054\u6210\u3059\u308b\u305f\u3081\u3001\u540c\u793e\u306f Kotlin \u306e\u5f37\u529b\u306a\u30ea\u30d5\u30ec\u30af\u30b7\u30e7\u30f3\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u5229\u7528\u3057\u3066\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u304b\u3089\u76f4\u63a5 GraphQL \u306e\u30b9\u30ad\u30fc\u30de\u3092\u751f\u6210\u3057\u307e\u3057\u305f\u3002 \u305d\u306e\u6210\u679c\u7269\u3067\u3042\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30bb\u30c3\u30c8 <a href=\"https:\/\/github.com\/ExpediaGroup\/graphql-kotlin\" target=\"_blank\" rel=\"noopener\">graphql-kotlin<\/a> \u306f\u975e\u5e38\u306b\u6709\u76ca\u306a\u3082\u306e\u3068\u306a\u308a\u307e\u3057\u305f\u3002 \u3053\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u5316\u3055\u308c\u3001\u73fe\u5728\u306f GitHub \u3067\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>KotlinConf 2019 \u3067\u306f\u3001Dariusz Kuc \u6c0f\u3068 Guillaume Scheibel \u6c0f\u304c Spring Boot \u306e\u80fd\u529b\u3092 <a href=\"https:\/\/github.com\/ExpediaGroup\/graphql-kotlin\" target=\"_blank\" rel=\"noopener\">graphql-kotlin<\/a> \u3068\u5171\u306b\u6d3b\u7528\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u767a\u8868\u3057\u307e\u3057\u305f\u3002 \u3053\u3061\u3089\u306e\u52d5\u753b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/7YJyPXjLdug?enablejsapi=1\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u958b\u767a\u3067\u306e Kotlin \u306e\u63a1\u7528\u4e8b\u4f8b\u3092\u3044\u304f\u3064\u304b\u3054\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002 Kotlin 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\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084\u30b5\u30fc\u30d3\u30b9\u306e\u958b\u767a\u306b\u9069\u3057\u3066\u3044\u308b\u6210\u719f\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":811,"featured_media":94253,"comment_status":"closed","ping_status":"closed","template":"","categories":[],"tags":[],"cross-post-tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/kotlin\/95999"}],"collection":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/kotlin"}],"about":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/types\/kotlin"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/users\/811"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/comments?post=95999"}],"version-history":[{"count":4,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/kotlin\/95999\/revisions"}],"predecessor-version":[{"id":96023,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/kotlin\/95999\/revisions\/96023"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/media\/94253"}],"wp:attachment":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/media?parent=95999"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/categories?post=95999"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/tags?post=95999"},{"taxonomy":"cross-post-tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/cross-post-tag?post=95999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}