{"id":1187,"date":"2018-12-20T14:00:50","date_gmt":"2018-12-20T05:00:50","guid":{"rendered":"https:\/\/www.bold.ne.jp\/engineer-club\/?p=1187"},"modified":"2025-09-17T14:11:43","modified_gmt":"2025-09-17T05:11:43","slug":"what-is-kotlin","status":"publish","type":"post","link":"https:\/\/www.bold.ne.jp\/engineer-club\/what-is-kotlin","title":{"rendered":"Kotlin\u3068\u306f\uff1fAndroid\u30a2\u30d7\u30ea\u958b\u767a\u306e\u516c\u5f0f\u8a00\u8a9e\u300cKotlin\u300d\u3092\u89e3\u8aac"},"content":{"rendered":"<p>Android\u30a2\u30d7\u30ea\u306e\u958b\u767a\u306b\u304a\u3051\u308b\u516c\u5f0f\u8a00\u8a9e\u306b\u8ffd\u52a0\u3055\u308c\u305f<span>Kotlin<\/span>\u306b\u8208\u5473\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1f<\/p>\n<p><span>Kotlin<\/span>\u306f\u77e5\u3063\u3066\u3044\u308b\u3051\u3069\u3001<span>Java<\/span>\u304b\u3089\u5909\u3048\u308b\u306e\u306f\u9762\u5012\u3068\u611f\u3058\u3066\u3044\u308b\u65b9\u3082\u3044\u3089\u3063\u3057\u3083\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u4eca\u56de\u306f\u3001<span>Google<\/span>\u304c\u516c\u5f0f\u8a00\u8a9e\u3068\u3057\u3066\u8a8d\u3081\u305f<span>Kotlin<\/span>\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001<strong>Kotlin\u306e\u7279\u5fb4\u3084\u4f7f\u3046\u30e1\u30ea\u30c3\u30c8<\/strong>\u306b\u3064\u3044\u3066\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">\u76ee\u6b21<\/p><ul class=\"toc_list\"><li><a href=\"#Kotlin\">\uff11\uff0eKotlin\u3068\u306f<\/a><ul><li><a href=\"#-Kotlin\">\uff11-\uff11\uff0eKotlin\u3068\u306f\uff1f<\/a><\/li><li><a href=\"#-Kotlin-2\">\uff11-\uff12\uff0eKotlin\u306f\u3069\u3053\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u306e\u304b\uff1f<\/a><\/li><\/ul><\/li><li><a href=\"#Kotlin-2\">\uff12\uff0eKotlin\u306e\u7279\u5fb4<\/a><ul><li><a href=\"#i\">\uff12-\uff11\uff0e\u7c21\u6f54<\/a><\/li><li><a href=\"#i-2\">\uff12-\uff12\uff0e\u5b89\u5168<\/a><\/li><li><a href=\"#-JVM\">\uff12-\uff13\uff0eJVM\u8a00\u8a9e<\/a><\/li><li><a href=\"#i-3\">\uff12-\uff14\uff0e\u9759\u7684\u578b\u4ed8\u3051<\/a><\/li><li><a href=\"#i-4\">\uff12-\uff15\uff0e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411<\/a><\/li><li><a href=\"#i-5\">\uff12-\uff16\uff0e\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0<\/a><\/li><\/ul><\/li><li><a href=\"#Kotlin-3\">\uff13\uff0eKotlin\u306e\u6700\u521d\u306e\u30d7\u30ed\u30b0\u30e9\u30e0<\/a><ul><li><a href=\"#i-6\">\uff13-\uff11\uff0e\u95a2\u6570\u306f\u30af\u30e9\u30b9\u306b\u6240\u5c5e\u3059\u308b\u5fc5\u8981\u306a\u3057<\/a><\/li><li><a href=\"#-fun\">\uff13-\uff12\uff0e\u95a2\u6570\u306e\u5b9a\u7fa9\u306ffun<\/a><\/li><li><a href=\"#i-7\">\uff13-\uff13\uff0e\u578b\u306f\u5909\u6570\u540d\u306e\u5f8c\u306b<\/a><\/li><li><a href=\"#i-8\">\uff13-\uff14\uff0e\u6587\u672b\u306e\u30bb\u30df\u30b3\u30ed\u30f3\u306f\u4e0d\u8981<\/a><\/li><li><a href=\"#-Java\">\uff13-\uff15\uff0e\u30b3\u30e1\u30f3\u30c8\u306e\u30b9\u30bf\u30a4\u30eb\u306fJava\u3068\u540c\u3058<\/a><\/li><\/ul><\/li><li><a href=\"#i-9\">\uff14\uff0e\u307e\u3068\u3081<\/a><\/li><\/ul><\/div>\n<h2><span id=\"Kotlin\">\uff11\uff0e<span>Kotlin\u3068\u306f<\/span><\/span><\/h2>\n<p>\u672c\u7ae0\u3067\u306f<span>Kotlin<\/span>\u306e\u6982\u8981\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3><span id=\"-Kotlin\">\uff11-\uff11\uff0eKotlin\u3068\u306f\uff1f<\/span><\/h3>\n<p>Kotlin\u306f<span>2011<\/span>\u5e74<span>7<\/span>\u6708\u306b\u767b\u5834\u3057\u305f\u65b0\u3057\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u8a00\u8a9e\u3067\u3059\u3002\u958b\u767a\u3057\u305f\u306e\u306f<span>JetBrains<\/span>\u793e\u3067\u3001\u30e1\u30b8\u30e3\u30fc\u30ea\u30ea\u30fc\u30b9\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u300c<span>Kotlin1.0<\/span>\u300d\u304c<span>2016<\/span>\u5e74<span>2<\/span>\u6708<span>15<\/span>\u65e5\uff08\u7c73\u56fd\u6642\u9593\uff09\u306b\u767a\u8868\u3055\u308c\u307e\u3057\u305f\u3002\u3055\u3089\u306b<span>Kotlin<\/span>\u306f\u3001<span>Androud<\/span>\u30a2\u30d7\u30ea\u306e\u958b\u767a\u8a00\u8a9e\u3068\u3057\u3066\u3001<span>2017<\/span>\u5e74\u306b<span>Google<\/span>\u304c\u6b63\u5f0f\u306b\u63a1\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n<h3><span id=\"-Kotlin-2\">\uff11-\uff12\uff0eKotlin\u306f\u3069\u3053\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u306e\u304b\uff1f<\/span><\/h3>\n<p>Kotlin\u306e\u516c\u5f0f\u30b5\u30a4\u30c8\uff08<span>https:\/\/kotlinlang.org\/<\/span>\uff09\u3067\u5b9f\u969b\u306b<span>Kotlin<\/span>\u3092\u63a1\u7528\u3057\u3066\u3044\u308b\u4f01\u696d\u304c\u7d39\u4ecb\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u56fd\u5185\u3067\u3082<span>Kotlin<\/span>\u306e\u5c0e\u5165\u5b9f\u7e3e\u304c\u3042\u308a\u307e\u3059\u3002\u30b5\u30a4\u30d0\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u793e\u306e\u6620\u50cf\u8996\u8074\u30a2\u30d7\u30ea\u300c<span>FRESH! by AbemaTV<\/span>\u300d\u3084<span>Sansan<\/span>\u793e\u306e\u540d\u523a\u30a2\u30d7\u30ea\u300c<span>Eight<\/span>\u300d\u306a\u3069\u304c<span>Kotlin<\/span>\u3067\u958b\u767a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b<span>Kotlin<\/span>\u3092\u63a1\u7528\u3059\u308b\u4f01\u696d\u304c\u3053\u308c\u304b\u3089\u3069\u3093\u3069\u3093\u5897\u3048\u3066\u3044\u304f\u3053\u3068\u304c\u4e88\u60f3\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2><span id=\"Kotlin-2\">\uff12\uff0eKotlin\u306e\u7279\u5fb4<\/span><\/h2>\n<p>\u672c\u7ae0\u3067\u306f<span>Kotlin<\/span>\u306e\u7279\u5fb4\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3><span id=\"i\">\uff12-\uff11\uff0e\u7c21\u6f54<\/span><\/h3>\n<p>Kotlin\u306b\u306f\u3001\u30bb\u30df\u30b3\u30ed\u30f3\u3084\u578b\u306e\u6307\u5b9a\u3092\u7701\u7565\u3067\u304d\u305f\u308a\u3001<span>if-else<\/span>\u304c\u5f0f\u3067\u3042\u3063\u305f\u308a\u3001\u30c7\u30fc\u30bf\u30af\u30e9\u30b9\u3084\u62e1\u5f35\u95a2\u6570\u306e\u3088\u3046\u306a\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u305f\u308a\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30b7\u30f3\u30d7\u30eb\u306b\u4fdd\u3064\u305f\u3081\u306e\u5de5\u592b\u304c\u76db\u308a\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u7c21\u6f54\u3067\u3042\u308b\u3053\u3068\u3067\u5b66\u7fd2\u30b3\u30b9\u30c8\u3092\u5c0f\u3055\u304f\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3><span id=\"i-2\">\uff12-\uff12\uff0e\u5b89\u5168<\/span><\/h3>\n<p>Kotlin\u306f<span>Java<\/span>\u3088\u308a\u3082\u5b89\u5168\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002<span>Kotlin<\/span>\u306b\u306f\u3088\u304f\u3042\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30df\u30b9\u3092\u672a\u7136\u306b\u9632\u3050\u4ed5\u7d44\u307f\u304c\u5099\u308f\u3063\u3066\u3044\u307e\u3059\u3002\u578b\u3084<span>null<\/span>\u306e\u6271\u3044\u304c\u53b3\u683c\u3067\u3001\u30ad\u30e3\u30b9\u30c8\u3084<span>null<\/span>\u306e\u30c7\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u306b\u3088\u308b\u5b9f\u884c\u6642\u4f8b\u5916\u304c\u6b86\u3069\u767a\u751f\u3057\u307e\u305b\u3093\u3002\u7279\u306b<span>null<\/span>\u306b\u95a2\u3059\u308b\u5b89\u5168\u6027\u78ba\u4fdd\u306e\u4ed5\u7d44\u307f\u3092\u300c<span>NULL<\/span>\u5b89\u5168\u300d\u3068\u8a00\u3044\u307e\u3059\u3002<\/p>\n<h3><span id=\"-JVM\">\uff12-\uff13\uff0eJVM\u8a00\u8a9e<\/span><\/h3>\n<p>Kotlin\u306f<span>JVM<\/span>\u8a00\u8a9e\u3067\u3059\u3002<span>Kotlin<\/span>\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306f<span>JVM<\/span>\u3084<span>Java<\/span>\u7528\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3084\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u8cc7\u7523\u3092\u305d\u306e\u307e\u307e\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u3001<span>JetBrains<\/span>\u793e\u306f\u300c<span>Kotlin<\/span>\u3068<span>Java<\/span>\u306e\u76f8\u4e92\u904b\u7528\u6027\u306f<span>100%<\/span>\u3067\u3042\u308b\u300d\u3068\u8b33\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001<span>Java<\/span>\u3067\u8a18\u8ff0\u3055\u308c\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092<span>Kotlin<\/span>\u3067\u8a18\u8ff0\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\u4f7f\u7528\u3059\u308b\u3053\u3068\u3068\u3001\u305d\u306e\u9006\u304c\u53ef\u80fd\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3><span id=\"i-3\">\uff12-\uff14\uff0e\u9759\u7684\u578b\u4ed8\u3051<\/span><\/h3>\n<p>Kotlin\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306f<span>Java<\/span>\u30d0\u30a4\u30c8\u30b3\u30fc\u30c9\u306b\u5909\u63db\uff08\u30b3\u30f3\u30d1\u30a4\u30eb\uff09\u3055\u308c\u307e\u3059\u3002\u30b3\u30f3\u30d1\u30a4\u30e9\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306e\u8aa4\u308a\u3092\u767a\u898b\u3059\u308b\u3068<span>Java<\/span>\u30d0\u30a4\u30c8\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3057\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u30d7\u30ed\u30b0\u30e9\u30de\u306f\u65e9\u3044\u6bb5\u968e\u3067\u30d0\u30b0\u3092\u767a\u898b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3><span id=\"i-4\">\uff12-\uff15\uff0e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411<\/span><\/h3>\n<p>Kotlin\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u8a00\u8a9e\u3067\u3059\u3002<span>Java<\/span>\u306e\u3088\u3046\u306b\u30af\u30e9\u30b9\u304b\u3089\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001<span>Java<\/span>\u3068\u7570\u306a\u308a\u3001<span>Kotlin<\/span>\u306b\u306f\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u578b\u306f\u306a\u304f\u3001\u3059\u3079\u3066\u304c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3042\u308a\u3001\u4e00\u8cab\u3057\u305f\u6271\u3044\u304c\u53ef\u80fd\u3067\u3059\u3002\u307e\u305f\u3001<span>Kotlin<\/span>\u306b\u306f\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u3084\u62e1\u5f35\u95a2\u6570\u306a\u3069<span>Java<\/span>\u306b\u306f\u306a\u3044\u4fbf\u5229\u306a\u6a5f\u80fd\u304c\u591a\u6570\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><span id=\"i-5\">\uff12-\uff16\uff0e\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0<\/span><\/h3>\n<p>Kotlin\u306b\u306f\u7b2c\u4e00\u7d1a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u3057\u3066\u306e\u95a2\u6570\u304c\u3042\u308a\u307e\u3059\u3002\u95a2\u6570\u3092\u6570\u5024\u3084\u6587\u5b57\u5217\u306a\u3069\u4ed6\u306e\u5024\u306e\u3088\u3046\u306b\u95a2\u6570\u306e\u5f15\u6570\u3068\u3057\u3066\u6e21\u3057\u305f\u308a\u3001\u623b\u308a\u5024\u3068\u3057\u3066\u53d7\u3051\u53d6\u3063\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u308c\u306f<span>Kotlin<\/span>\u306e\u7c21\u6f54\u3055\u3092\u5b9f\u73fe\u3057\u3066\u3044\u308b\u4ed5\u7d44\u307f\u306e\u4e00\u3064\u3067\u3042\u308a\u3001<span>Kotlin<\/span>\u306f\u95a2\u6570\u578b\u8a00\u8a9e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2><span id=\"Kotlin-3\">\uff13\uff0eKotlin\u306e\u6700\u521d\u306e\u30d7\u30ed\u30b0\u30e9\u30e0<\/span><\/h2>\n<p>\u3053\u3053\u307e\u3067<span>Kotlin<\/span>\u306b\u3064\u3044\u3066\u6587\u7ae0\u3067\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u6700\u521d\u306e<span>Kotlin<\/span>\u30b3\u30fc\u30c9\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002\u4e0b\u8a18\u306e\u30b3\u30fc\u30c9\u306f\u3001\u300c<span>Hello, World!!<\/span>\u300d\u3068\u3044\u3046\u6587\u5b57\u5217\u3092\u6a19\u6e96\u51fa\u529b\u306b\u8868\u793a\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3059\u3002\u3053\u306e\u7c21\u5358\u306a\u30b3\u30fc\u30c9\u304b\u3089\u3082<span>Kotlin<\/span>\u306e\u6587\u6cd5\u3092\u77e5\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">\/* Kotlin\u306e\u6700\u521d\u306e\u30d7\u30ed\u30b0\u30e9\u30e0 *\/\r\npackage sample\r\n\r\nfun main(args: Array&lt;String&gt;) {\r\n    println(\u201cHello, World!!\u201d)\r\n}<\/pre>\n<h3><span id=\"i-6\">\uff13-\uff11\uff0e\u95a2\u6570\u306f\u30af\u30e9\u30b9\u306b\u6240\u5c5e\u3059\u308b\u5fc5\u8981\u306a\u3057<\/span><\/h3>\n<p>4\u884c\u76ee\u3067\u3044\u304d\u306a\u308a<span>main<\/span>\u3068\u3044\u3046\u540d\u524d\u306e\u95a2\u6570\u306e\u5b9a\u7fa9\u304c\u59cb\u307e\u3063\u3066\u3044\u307e\u3059\u3002<span>Kotlin<\/span>\u3067\u306f\u3001\u3069\u306e\u30af\u30e9\u30b9\u306b\u3082\u5c5e\u3055\u306a\u3044\u95a2\u6570\u3084\u5909\u6570\u306e\u5b9a\u7fa9\u304c\u8a31\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><span id=\"-fun\">\uff13-\uff12\uff0e\u95a2\u6570\u306e\u5b9a\u7fa9\u306f<span>fun<\/span><\/span><\/h3>\n<p>\u95a2\u6570\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u306b\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u30ad\u30fc\u30ef\u30fc\u30c9\u306f\u300c<span>fun<\/span>\u300d\u3067\u3059\u3002<\/p>\n<h3><span id=\"i-7\">\uff13-\uff13\uff0e\u578b\u306f\u5909\u6570\u540d\u306e\u5f8c\u306b<\/span><\/h3>\n<p>args\u306f\u5909\u6570\uff08<span>variable<\/span>\uff09\u3067\u3059\u3002<span>Args<\/span>\u306e\u5f8c\u306b\u30b3\u30ed\u30f3\uff08<span>:<\/span>\uff09\u3092\u631f\u3093\u3067<span>Array&lt;String&gt;<\/span>\u3068\u8a18\u8ff0\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u304c<span>args<\/span>\u306e\u578b\u3067\u3059\u3002<span>Java<\/span>\u3068\u7570\u306a\u308a<span>Kotlin<\/span>\u3067\u306f\u3001\u5909\u6570\u306e\u578b\u306f\u540d\u524d\u306e\u5f8c\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<h3><span id=\"i-8\">\uff13-\uff14\uff0e\u6587\u672b\u306e\u30bb\u30df\u30b3\u30ed\u30f3\u306f\u4e0d\u8981<\/span><\/h3>\n<p>Java\u3067\u306f\u6587\u672b\u306b\u30bb\u30df\u30b3\u30ed\u30f3\uff08<span>;<\/span>\uff09\u3092\u6253\u3063\u3066\u3044\u307e\u3057\u305f\u304c\u3001<span>Kotlin<\/span>\u3067\u306f\u4e0d\u8981\u3067\u3059\u3002\uff08\u30bb\u30df\u30b3\u30ed\u30f3\u304c\u3042\u3063\u3066\u3082\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002\uff09<\/p>\n<h3><span id=\"-Java\">\uff13-\uff15\uff0e\u30b3\u30e1\u30f3\u30c8\u306e\u30b9\u30bf\u30a4\u30eb\u306f<span>Java<\/span>\u3068\u540c\u3058<\/span><\/h3>\n<p>1\u884c\u76ee\u306b\u300c<span>\/*<\/span>\u300d\u3068\u300c<span>*\/<\/span>\u300d\u3067\u56f2\u3063\u305f\u6587\u5b57\u5217\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u7bc4\u56f2\u306f\u30b3\u30e1\u30f3\u30c8\u3067\u3042\u308a\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u30b3\u30fc\u30c9\u306e\u89e3\u91c8\u3084\u5b9f\u884c\u306b\u306f\u5f71\u97ff\u3057\u307e\u305b\u3093\u3002\u300c<span>\/\/<\/span>\u300d\u306f\u3001\u3053\u306e\u767b\u5834\u304b\u3089\u884c\u672b\u307e\u3067\u3092\u30b3\u30e1\u30f3\u30c8\u3057\u307e\u3059\u3002<\/p>\n<h2><span id=\"i-9\">\uff14\uff0e\u307e\u3068\u3081<\/span><\/h2>\n<p>\u4ee5\u4e0a\u3001<span>Kotlin<\/span>\u5165\u9580\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u307e\u3057\u305f\u3002<span>Kotlin<\/span>\u306f\u7d9a\u3005\u3068\u5927\u624b\u4f01\u696d\u306e\u30a2\u30d7\u30ea\u3067\u63a1\u7528\u304c\u9032\u3093\u3067\u3044\u307e\u3059\u3002<span>Kotlin<\/span>\u306f\u4eca\u5f8c\u3001<span>iOS<\/span>\u3067\u3044\u3046<span>Swift<\/span>\u306e\u3088\u3046\u306a\u5b58\u5728\u306b\u306a\u3063\u3066\u3044\u304f\u306e\u304b\u6ce8\u76ee\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Android\u30a2\u30d7\u30ea\u306e\u958b\u767a\u306b\u304a\u3051\u308b\u516c\u5f0f\u8a00\u8a9e\u306b\u8ffd\u52a0\u3055\u308c\u305fKotlin\u306b\u8208\u5473\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1f Kotlin\u306f\u77e5\u3063\u3066\u3044\u308b\u3051\u3069\u3001Java\u304b\u3089\u5909\u3048\u308b\u306e\u306f\u9762\u5012\u3068\u611f\u3058\u3066\u3044\u308b\u65b9\u3082\u3044\u3089\u3063\u3057\u3083\u308b\u3067\u3057\u3087\u3046\u3002 \u4eca\u56de\u306f\u3001Google\u304c\u516c\u5f0f\u8a00\u8a9e\u3068\u3057 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1189,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[20],"acf":[],"_links":{"self":[{"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/posts\/1187"}],"collection":[{"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/comments?post=1187"}],"version-history":[{"count":6,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/posts\/1187\/revisions"}],"predecessor-version":[{"id":5724,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/posts\/1187\/revisions\/5724"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/media\/1189"}],"wp:attachment":[{"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/media?parent=1187"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/categories?post=1187"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}