{"id":3387,"date":"2022-06-22T12:00:38","date_gmt":"2022-06-22T03:00:38","guid":{"rendered":"https:\/\/www.bold.ne.jp\/engineer-club\/?p=3387"},"modified":"2025-11-19T10:26:50","modified_gmt":"2025-11-19T01:26:50","slug":"kotlin-for","status":"publish","type":"post","link":"https:\/\/www.bold.ne.jp\/engineer-club\/kotlin-for","title":{"rendered":"Kotlin\u306efor\u3068\u306f\uff1f\u547d\u4ee4\u3092\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3059\u308bfor\u6587\u306e\u4f7f\u3044\u65b9"},"content":{"rendered":"<p>Kotlin\u306e<span>for<\/span>\u6587<span>(<\/span>\u30eb\u30fc\u30d7\u51e6\u7406<span>)<\/span>\u3068\u306f\u3001\u547d\u4ee4\u3092\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3059\u308b\u3053\u3068\u306e\u3067\u304d\u308b\u4fbf\u5229\u306a\u8a18\u6cd5\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3055\u308c\u308b\u7269\u306f\u5358\u4e00\u5024\u3067\u3082\u8907\u6570\u5024\u3067\u3082\u8a2d\u5b9a\u3067\u304d\u3001\u7e70\u308a\u8fd4\u3057\u306e\u4ed5\u65b9\u306f\u81ea\u7531\u306b\u6c7a\u3081\u3089\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u51e6\u7406\u306e\u30b9\u30ad\u30c3\u30d7\u3084\u4e2d\u65ad\u7b49\u3082\u3067\u304d\u8907\u96d1\u306a\u4ed5\u69d8\u306b\u3082\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305d\u3093\u306a<span>for<\/span>\u6587\u306b\u3064\u3044\u3066\u672c\u8a18\u4e8b\u3067\u306f\u89e3\u8aac\u3057\u3066\u3044\u304f\u306e\u3067\u4e00\u7dd2\u306b\u5b66\u3093\u3067\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">\u76ee\u6b21<\/p><ul class=\"toc_list\"><li><a href=\"#Kotlinfor\">\uff11\uff0eKotlin\u306efor\u6587\u3068\u306f<\/a><\/li><li><a href=\"#Kotlinfor-2\">\uff12\uff0eKotlin\u306b\u304a\u3051\u308bfor\u6587\u306e\u30b5\u30f3\u30d7\u30eb<\/a><ul><li><a href=\"#i\">\uff12-\uff11\uff0e\u5ba3\u8a00\u65b9\u6cd5<\/a><\/li><li><a href=\"#i-2\">\uff12-\uff12\uff0e\u8981\u7d20\u3092\u9006\u9806\u306b\u7e70\u308a\u8fd4\u3059\u65b9\u6cd5<\/a><\/li><li><a href=\"#i-3\">\uff12-\uff13\uff0e\u7e70\u308a\u8fd4\u3057\u306e\u523b\u307f\u65b9\u3092\u5909\u3048\u308b\u65b9\u6cd5<\/a><\/li><li><a href=\"#-List\">\uff12-\uff14\uff0e\u914d\u5217\u3084List\u3092\u7e70\u308a\u8fd4\u3059\u306e\u306b\u4fbf\u5229\u306a\u3082\u306e<\/a><\/li><li><a href=\"#i-4\">\uff12-\uff15\uff0e\u7e70\u308a\u8fd4\u3057\u306e\u5236\u5fa1\u6587<\/a><\/li><\/ul><\/li><li><a href=\"#Kotlin\">\uff13\uff0e\u305d\u306e\u4ed6Kotlin\u306e\u30eb\u30fc\u30d7\u51e6\u7406\u306e\u30b5\u30f3\u30d7\u30eb<\/a><ul><li><a href=\"#-forEach\">\uff13-\uff11\uff0eforEach\u6587\u3068\u306f<\/a><\/li><li><a href=\"#-while\">\uff13-\uff12\uff0ewhile\u6587\u3068\u306f<\/a><\/li><li><a href=\"#-do-while\">\uff13-\uff13\uff0edo-while\u6587\u3068\u306f<\/a><\/li><\/ul><\/li><li><a href=\"#i-5\">\uff14\uff0e\u3055\u3044\u3054\u306b<\/a><\/li><\/ul><\/div>\n<h2><span id=\"Kotlinfor\">\uff11\uff0eKotlin\u306efor\u6587\u3068\u306f<\/span><\/h2>\n<p>for\u6587\u306f<strong><\/strong><span class=\"f-marker-p\"><strong>\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u884c\u3046\u305f\u3081\u306e\u547d\u4ee4\u6587<\/strong><\/span>\u3067\u3059\u3002<\/p>\n<p>\u5177\u4f53\u7684\u306b\u306f\u3001\u300c\u8981\u7d20<span> in <\/span>\u30a4\u30c6\u30ec\u30fc\u30bf\u300d\u3068\u3044\u3046\u5f62\u306e\u5f15\u6570\u3092\u53d6\u308a\u3001\u30a4\u30c6\u30ec\u30fc\u30bf\u3068\u3044\u3046\u8907\u6570\u8981\u7d20\u304c\u3042\u308b\u3082\u306e\u3092\u9806\u756a\u306b\u4e00\u3064\u305a\u3064\u53d6\u308a\u51fa\u3057\u3001\u7e70\u308a\u8fd4\u3057\u3066\u3044\u304f\u51e6\u7406\u3067\u3059\u3002<\/p>\n<h2><span id=\"Kotlinfor-2\">\uff12\uff0eKotlin\u306b\u304a\u3051\u308b<span>for<\/span>\u6587\u306e\u30b5\u30f3\u30d7\u30eb<\/span><\/h2>\n<p>\u3053\u306e\u7ae0\u3067\u306f<span>Kotlin<\/span>\u306b\u304a\u3051\u308b<span>for<\/span>\u6587\u306e\u66f8\u304d\u65b9\u304b\u3089<span>for<\/span>\u6587\u306e\u5236\u5fa1\u65b9\u6cd5\u307e\u3067\u304a\u4f1d\u3048\u3057\u307e\u3059\u3002<\/p>\n<h3><span id=\"i\">\uff12-\uff11\uff0e\u5ba3\u8a00\u65b9\u6cd5<\/span><\/h3>\n<p>\u307e\u305a\u57fa\u672c\u7684\u306a<span>Kotlin<\/span>\u3067\u306e<span>for<\/span>\u6587\u306e\u8a18\u8ff0\u306b\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u69d8\u306b\u5f15\u6570\u3078<span>Range<\/span>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8<span>(<\/span>\u4f8b<span>:1..5)<\/span>\u3092\u4f7f\u7528\u3057\u3066\u4efb\u610f\u306e\u6570\u5024\u306e\u5e45<span>(<\/span>\u4f8b<span>:1<\/span>\uff5e<span>5)<\/span>\u3092\u53d6\u3063\u3066\u3001\u305d\u306e<span>1<\/span>\u3064<span>1<\/span>\u3064\u306e\u8981\u7d20\u3092\u5165\u308c\u308b\u5909\u6570<span>(<\/span>\u4f8b<span>:cnt)<\/span>\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u305d\u3057\u3066<span>for<\/span>\u6587\u306e\u30d6\u30ed\u30c3\u30af\u5185\u306b\u7e70\u308a\u8fd4\u3057\u305f\u3044\u51e6\u7406\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">for (cnt in 1..5) {\r\n    println(\"${cnt}:\u3053\u3093\u306b\u3061\u306f\")\r\n}<\/pre>\n<p><strong>\u5b9f\u884c\u7d50\u679c<\/strong><\/p>\n<pre class=\"prettyprint lang:default decode:true\">1:\u3053\u3093\u306b\u3061\u306f\r\n\uff5e(\u7701\u7565)\uff5e\r\n5:\u3053\u3093\u306b\u3061\u306f<\/pre>\n<p>\u203b<span>Kotlin<\/span>\u3067\u306e<span>for<\/span>\u6587\u306f<span>Java<\/span>\u3068\u306f\u7570\u306a\u308a<span>for(<\/span>\u521d\u671f\u5316\u5f0f<span>;<\/span>\u6761\u4ef6\u5f0f<span>;<\/span>\u66f4\u65b0\u5f0f<span>)<\/span>\u306e\u5f62\u5f0f\u306f\u5229\u7528\u3067\u304d\u306a\u3044\u306e\u3067\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u4ee5\u5f8c\u306e\u7ae0\u3067\u66f4\u65b0\u3059\u308b\u969b\u306e\u523b\u307f\u65b9\u3092\u5909\u3048\u308b\u65b9\u6cd5\u7b49\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3><span id=\"i-2\">\uff12-\uff12\uff0e\u8981\u7d20\u3092\u9006\u9806\u306b\u7e70\u308a\u8fd4\u3059\u65b9\u6cd5<\/span><\/h3>\n<p>\u8981\u7d20\u3092\u9006\u9806\u306b\u53d6\u308a\u51fa\u3059\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u578b\u6bce\u306b\u6587\u3084\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u884c\u306a\u3048\u307e\u3059\u3002\u57fa\u672c\u7684\u306b\u306f<span>&#8220;downTo&#8221;<\/span>\u3092\u5229\u7528\u3057\u3066\u521d\u671f\u5024\u3068\u6700\u7d42\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u30ab\u30a6\u30f3\u30c8\u306e\u9006\u9806\u304c\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">\/\/ \u57fa\u672cdownTo(\u9006\u9806)\r\nfor (cnt in 5 downTo 1) {\r\n    println(\"${cnt}:\u3053\u3093\u306b\u3061\u306f\")\r\n}\r\n\/\/ Renge\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\r\nfor (cnt in (1..5).reversed()) {\r\n    println(\"${cnt}:\u3053\u3093\u306b\u3061\u306f\")\r\n}\r\n\/\/ Array\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\r\nval array = arrayOf(1, 2, 3, 4, 5)\r\nfor (cnt in array.reversedArray()) {\r\n    println(\"${cnt}:\u3053\u3093\u306b\u3061\u306f\")\r\n}\r\n\/\/ List\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\r\nval list = listOf(1, 2, 3, 4, 5)\r\nfor (cnt in list.reversed()) {\r\n    println(\"${cnt}:\u3053\u3093\u306b\u3061\u306f\")\r\n}<\/pre>\n<p><strong>\u5b9f\u884c\u7d50\u679c<\/strong><\/p>\n<pre class=\"prettyprint lang:default decode:true\">5:\u3053\u3093\u306b\u3061\u306f\r\n\uff5e(\u7701\u7565)\uff5e\r\n1:\u3053\u3093\u306b\u3061\u306f\r\n\uff5e(\u7701\u7565)\uff5e<\/pre>\n<h3><span id=\"i-3\">\uff12-\uff13\uff0e\u7e70\u308a\u8fd4\u3057\u306e\u523b\u307f\u65b9\u3092\u5909\u3048\u308b\u65b9\u6cd5<\/span><\/h3>\n<p>\u523b\u307f\u65b9\u3092\u8a2d\u5b9a\u3059\u308b\u306b\u306f<span>&#8220;step&#8221;<\/span>\u3068\u3044\u3046\u6587\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u521d\u671f\u5024<span>(<\/span>\u4f8b<span>:2)<\/span>\u304b\u3089\u59cb\u307e\u3063\u3066\u523b\u307f\u306e\u5206<span>(<\/span>\u4f8b<span>:2)<\/span>\u8db3\u3055\u308c\u305f\u6b21\u306e\u6570\u3067\u518d\u3073\u30eb\u30fc\u30d7\u3055\u308c\u3066\u3001\u3053\u308c\u3092\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">\/\/ step(\u523b\u307f)\r\nfor (twoStep in 2..10 step 2) {\r\n    println(twoStep)\r\n}<\/pre>\n<p><strong>\u5b9f\u884c\u7d50\u679c<\/strong><\/p>\n<pre class=\"prettyprint lang:default decode:true\">2\r\n4\r\n6\r\n8\r\n10<\/pre>\n<h3><span id=\"-List\">\uff12-\uff14\uff0e\u914d\u5217\u3084<span>List<\/span>\u3092\u7e70\u308a\u8fd4\u3059\u306e\u306b\u4fbf\u5229\u306a\u3082\u306e<\/span><\/h3>\n<p>\u914d\u5217\u3084<span>List<\/span>\u3067\u306f\u4ee5\u4e0b\u306e\u69d8\u306b\u3001&#8221;until&#8221;\u3092\u4f7f\u7528\u3057\u3066\u914d\u5217\u306e\u6570\u3088\u308a\u4e00\u3064\u5c11\u306a\u3044\u6570\u5206\u3060\u3051\u56de\u3057\u3066\u3001\u914d\u5217\u306e\u6dfb\u3048\u5b57\u306b\u8a2d\u5b9a\u3059\u308b\u5024\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002&#8221;indicis&#8221;\u3092\u4f7f\u7528\u3057\u3066\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u3092\u4e00\u3064\u3065\u3064\u53d6\u308a\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002&#8221;withIndex&#8221;\u3092\u4f7f\u7528\u3057\u3066\u914d\u5217\u306e\u5834\u6240\u306e\u756a\u53f7\u3068\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u306e\u4e2d\u8eab\u3092\u76f4\u63a5\u5909\u6570\u3068\u3057\u3066\u53d6\u308a\u51fa\u3059\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002for\u6587\u3067<span>map<\/span>\u3092\u5909\u6570\u306b\u53d6\u308a\u51fa\u3059\u969b\u306b\u306f\u5206\u5272\u4ee3\u5165\u306e\u6a5f\u80fd\u3092\u5229\u7528\u3057\u3066\u3001\u30ad\u30fc\u9805\u76ee\u3068\u5024\u3092\u53d6\u308a\u51fa\u3059\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">\/\/ until\r\nval yamatoCnt1 = arrayOf(\"\u3072\u3068\u3064\", \"\u3075\u305f\u3064\", \"\u307f\u3063\u3064\", \"\u3088\u3063\u3064\", \"\u3044\u3064\u3064\")\r\nfor (index in 0 until yamatoCnt1.size) {\r\n    println(\"$index:${index + 1}=${yamatoCnt1[index]}\")\r\n}\r\n\/\/ .indicis\r\nval yamatoCnt2 = listOf(\"\u3072\u3068\", \"\u3068\u304a\", \"\u3082\u3082\", \"\u3061\", \"\u3088\u308d\u305a\")\r\nfor (index in yamatoCnt2.indices) {\r\n    println(\"$index:${10.toDouble().pow(index)}=${yamatoCnt2[index]}\")\r\n}\r\n\/\/ withIndex\r\nfor ((index, yamatoName) in yamatoCnt2.withIndex()) {\r\n    println(\"$index:${10.toDouble().pow(index)}=$yamatoName\")\r\n}\r\nval yamatoCnt3 = mapOf(\"\u3072\u3068\" to 1, \"\u3068\u304a\" to 10, \"\u3082\u3082\" to 100, \"\u3061\" to 1000, \"\u3088\u308d\u305a\" to 10000)\r\nfor ((key, value) in yamatoCnt3) {\r\n    println(\"$value=$key\")\r\n}<\/pre>\n<p><strong>\u5b9f\u884c\u7d50\u679c<\/strong><\/p>\n<pre class=\"prettyprint lang:default decode:true\">0:1=\u3072\u3068\u3064\r\n1:2=\u3075\u305f\u3064\r\n2:3=\u307f\u3063\u3064\r\n3:4=\u3088\u3063\u3064\r\n4:5=\u3044\u3064\u3064\r\n0:1.0=\u3072\u3068\r\n1:10.0=\u3068\u304a\r\n2:100.0=\u3082\u3082\r\n3:1000.0=\u3061\r\n4:10000.0=\u3088\u308d\u305a\r\n\uff5e\u7701\u7565\uff5e\r\n1=\u3072\u3068\r\n10=\u3068\u304a\r\n100=\u3082\u3082\r\n1000=\u3061\r\n10000=\u3088\u308d\u305a<\/pre>\n<h3><span id=\"i-4\">\uff12-\uff15\uff0e\u7e70\u308a\u8fd4\u3057\u306e\u5236\u5fa1\u6587<\/span><\/h3>\n<p>for\u6587\u306e\u5236\u5fa1\u3067\u304d\u308b\u6587\u306f\u4e8c\u3064\u3042\u308a\u307e\u3059\u30021\u3064\u306f<span>continue<\/span>\u6587\u3067\u3059\u3002\u3053\u308c\u306f<span>for<\/span>\u30eb\u30fc\u30d7\u3092\u305d\u306e\u6642\u70b9\u304b\u3089\u518d\u3073\u3084\u308a\u76f4\u3059\u51e6\u7406\u306b\u306a\u308a\u307e\u3059\u3002\u3082\u3046<span>1<\/span>\u3064\u306f<span>breakb<\/span>\u6587\u3067\u3059\u3002\u3053\u308c\u306f<span>for<\/span>\u30eb\u30fc\u30d7\u3092\u305d\u306e\u6642\u70b9\u3067\u629c\u3051\u308b\u51e6\u7406\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">val ajiaCityMap = mapOf(\"\u6771\u4eac\" to true, \"\u5927\u962a\" to false, \"\u30bd\u30a6\u30eb\" to true, \"\u91dc\u5c71\" to false, \"\u30cf\u30ce\u30a4\" to true, \"\u30db\u30fc\u30c1\u30df\u30f3\" to false)\r\nfor ((cityName, capital) in ajiaCityMap) {\r\n    if (!capital) continue\r\n    println(\"\u9996\u90fd:$cityName\")\r\n}\r\n\r\nval siteName = \"EngineerClub\"\r\nfor (char in siteName.toCharArray()) {\r\n    if (char == 'C') break\r\n    print(char)\r\n}<\/pre>\n<p><strong>\u5b9f\u884c\u7d50\u679c<\/strong><\/p>\n<pre class=\"prettyprint lang:default decode:true\">\u9996\u90fd:\u6771\u4eac\r\n\u9996\u90fd:\u30bd\u30a6\u30eb\r\n\u9996\u90fd:\u30cf\u30ce\u30a4<\/pre>\n<p>\u307e\u305f<span>continue<\/span>\u6587\u3001<span>for<\/span>\u6587\u5171\u306b\u30e9\u30d9\u30eb\u3092\u4ed8\u3051\u3066<span>2<\/span>\u968e\u5c64\u4ee5\u4e0a\u5916\u306e\u30eb\u30fc\u30d7\u306b\u3082\u518d\u958b\u5834\u6240\u3001\u629c\u3051\u308b\u5834\u6240\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u51e6\u7406\u9806\u5e8f\u304c\u81ea\u7531\u306b\u6c7a\u3081\u3089\u308c\u3066\u3057\u307e\u3046\u305f\u3081\u3001\u4f7f\u7528\u306f\u63a8\u5968\u3055\u308c\u307e\u305b\u3093\u304c\u7d39\u4ecb\u3060\u3051\u884c\u3063\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">print(\"*\")\r\nstart@ for (i in 2..5) {\r\n    println()\r\n    for (j in 1..i) {\r\n        print(\"*\")\r\n        if (i == 3) continue@start\r\n        if (i == 5) break@start\r\n    }\r\n}<\/pre>\n<p><strong>\u5b9f\u884c\u7d50\u679c<\/strong><\/p>\n<pre class=\"prettyprint lang:default decode:true\">*\r\n**\r\n*\r\n****\r\n*<\/pre>\n<h2><span id=\"Kotlin\">\uff13\uff0e\u305d\u306e\u4ed6<span>Kotlin<\/span>\u306e\u30eb\u30fc\u30d7\u51e6\u7406\u306e\u30b5\u30f3\u30d7\u30eb<\/span><\/h2>\n<p>for\u6587\u4ee5\u5916\u306b\u3082\u30eb\u30fc\u30d7\u51e6\u7406\u3092\u884c\u3046\u6587\u306f\u3042\u308a\u307e\u3059\u306e\u3067\u3053\u3053\u3067\u8efd\u304f\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h3><span id=\"-forEach\">\uff13-\uff11\uff0eforEach\u6587\u3068\u306f<\/span><\/h3>\n<p>Kotlin\u3067\u306e<span>forEach<\/span>\u6587\u306e\u8a18\u8ff0\u306b\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002\u30b3\u30ec\u30af\u30b7\u30e7\u30f3<span>(<\/span>\u914d\u5217\u3084<span>List)<\/span>\u3084\u30b7\u30fc\u30b1\u30f3\u30b9\u306b\u5bfe\u3057\u3066\u30eb\u30fc\u30d7\u51e6\u7406\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<span>for<\/span>\u6587\u3068\u9055\u3063\u3066\u523b\u307f\u65b9\u306e\u8a2d\u5b9a\u3084<span>continue<\/span>\u6587\u3001<span>break<\/span>\u6587\u306e\u51e6\u7406\u306f\u884c\u3048\u306a\u3044\u306e\u3067\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002\u307e\u305f<span>foeEachIndex<\/span>\u6587\u3092\u4f7f\u7528\u3059\u308c\u3070\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u7b49\u306e\u4f4d\u7f6e\u3092\u53d6\u308a\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">val list = listOf(\"\u308a\u3093\u3054\", \"\u307f\u304b\u3093\", \"\u30d0\u30ca\u30ca\")\r\nlist.forEach { println(it) }\r\nlist.asSequence().forEach { println(it) }\r\nlist.forEachIndexed { index, value -&gt; println(\"$index:$value\") }\r\nlist.asSequence().forEachIndexed { index, value -&gt; println(\"$index:$value\") }<\/pre>\n<p><strong>\u5b9f\u884c\u7d50\u679c<\/strong><\/p>\n<pre class=\"prettyprint lang:default decode:true\">\u308a\u3093\u3054\r\n\u307f\u304b\u3093\r\n\u30d0\u30ca\u30ca\r\n\uff5e\u7701\u7565\uff5e\r\n0:\u308a\u3093\u3054\r\n1:\u307f\u304b\u3093\r\n2:\u30d0\u30ca\u30ca\r\n\uff5e\u7701\u7565\uff5e<\/pre>\n<h3><span id=\"-while\">\uff13-\uff12\uff0ewhile\u6587\u3068\u306f<\/span><\/h3>\n<p>while\u6587\u306e\u8a18\u8ff0\u306b\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u6700\u521d\u306b\u30eb\u30fc\u30d7\u51e6\u7406\u3092\u884c\u3046\u304b\u5426\u304b\u306e\u771f\u7406\u5024\u3092\u53d6\u308a\u307e\u3059\u3002\u307e\u305f<span>continue<\/span>\u6587\u3084<span>break<\/span>\u6587\u3082\u4f7f\u7528\u3059\u308b\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">var index = 0\r\nwhile (index &lt; 5) {\r\n    println(index)\r\n    index++\r\n}\r\nprintln(\"\u30eb\u30fc\u30d7\u7d42\u4e86\")<\/pre>\n<p><strong>\u5b9f\u884c\u7d50\u679c<\/strong><\/p>\n<pre class=\"prettyprint lang:default decode:true\">0\r\n1\r\n2\r\n3\r\n4\r\n\u30eb\u30fc\u30d7\u7d42\u4e86<\/pre>\n<p>for\u6587\u540c\u69d8<span>continue<\/span>\u6587\u3001<span>for<\/span>\u6587\u5171\u306b\u30e9\u30d9\u30eb\u3092\u4ed8\u3051\u3066<span>2<\/span>\u968e\u5c64\u4ee5\u4e0a\u5916\u306e\u30eb\u30fc\u30d7\u306b\u3082\u518d\u958b\u5834\u6240\u3001\u629c\u3051\u308b\u5834\u6240\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u51e6\u7406\u9806\u5e8f\u304c\u81ea\u7531\u306b\u6c7a\u3081\u3089\u308c\u3066\u3057\u307e\u3046\u305f\u3081\u3001\u4f7f\u7528\u306f\u63a8\u5968\u3055\u308c\u307e\u305b\u3093\u304c\u7d39\u4ecb\u3060\u3051\u884c\u3063\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">end@ while (true) {\r\n    devLang@ while (true) {\r\n        println(\"\u958b\u767a\u3067\u4f7f\u3046\u304a\u3059\u3059\u3081\u306e\u8a00\u8a9e\u306f?\")\r\n        println(\"1.\u69d8\u3005\u306a\u7aef\u672b\u3067\u52d5\u304b\u3057\u305f\u3044,2.AI\u3092\u4f7f\u3044\u305f\u3044,3.\u7d44\u307f\u8fbc\u307f\u305f\u3044,4.\u30c7\u30fc\u30bf\u3092\u62bd\u51fa\u3057\u305f\u3044,n.\u6b21\u3078,q.\u7d42\u4e86\")\r\n        val select: String = readLine()!!\r\n        when (select) {\r\n            \"1\" -&gt; { println(\"Kotlin\/Java\"); continue@devLang }\r\n            \"2\" -&gt; { println(\"Python\"); continue@devLang }\r\n            \"3\" -&gt; { println(\"C++\/C\"); continue@devLang }\r\n            \"4\" -&gt; { println(\"SQL\"); continue@devLang }\r\n            \"n\" -&gt; { println(\"next\"); break@devLang }\r\n            \"q\" -&gt; { println(\"quit\"); break@end }\r\n            else -&gt; println(\"\u5165\u529b\u30a8\u30e9\u30fc\")\r\n        }\r\n    }\r\n\r\n    devEnv@ while (true) {\r\n        println(\"\u304a\u3059\u3059\u3081\u306e\u958b\u767a\u74b0\u5883\u306f?\")\r\n        println(\"1.Kotlin\/Java\u3092\u4f7f\u3044\u305f\u3044,2.JavaScript\u3092\u4f7f\u3044\u305f\u3044,n.\u6b21\u3078,q.\u7d42\u4e86\")\r\n        val select: String = readLine()!!\r\n        when (select) {\r\n            \"1\" -&gt; { println(\"IntelliJ\/Eclipse\"); continue@devEnv }\r\n            \"2\" -&gt; { println(\"VSCode\"); continue@devEnv }\r\n            \"n\" -&gt; { println(\"next\"); continue@end }\r\n            \"q\" -&gt; { println(\"quit\"); break@end }\r\n        }\r\n    }\r\n\r\n}<\/pre>\n<p><strong>\u5b9f\u884c\u7d50\u679c<\/strong><\/p>\n<pre class=\"prettyprint lang:default decode:true\">\u958b\u767a\u3067\u4f7f\u3046\u304a\u3059\u3059\u3081\u306e\u8a00\u8a9e\u306f?\r\n1.\u69d8\u3005\u306a\u7aef\u672b\u3067\u52d5\u304b\u3057\u305f\u3044,2.AI\u3092\u4f7f\u3044\u305f\u3044,3.\u7d44\u307f\u8fbc\u307f\u305f\u3044,4.\u30c7\u30fc\u30bf\u3092\u62bd\u51fa\u3057\u305f\u3044,n.\u6b21\u3078,q.\u7d42\u4e86\r\n1\r\nKotlin\/Java\r\n\u958b\u767a\u3067\u4f7f\u3046\u304a\u3059\u3059\u3081\u306e\u8a00\u8a9e\u306f?\r\n1.\u69d8\u3005\u306a\u7aef\u672b\u3067\u52d5\u304b\u3057\u305f\u3044,2.AI\u3092\u4f7f\u3044\u305f\u3044,3.\u7d44\u307f\u8fbc\u307f\u305f\u3044,4.\u30c7\u30fc\u30bf\u3092\u62bd\u51fa\u3057\u305f\u3044,n.\u6b21\u3078,q.\u7d42\u4e86\r\nn\r\nnext\r\n\u304a\u3059\u3059\u3081\u306e\u958b\u767a\u74b0\u5883\u306f?\r\n1.Kotlin\/Java\u3092\u4f7f\u3044\u305f\u3044,2.JavaScript\u3092\u4f7f\u3044\u305f\u3044,n.\u6b21\u3078,q.\u7d42\u4e86\r\n1\r\nIntelliJ\/Eclipse\r\n\u304a\u3059\u3059\u3081\u306e\u958b\u767a\u74b0\u5883\u306f?\r\n1.Kotlin\/Java\u3092\u4f7f\u3044\u305f\u3044,2.JavaScript\u3092\u4f7f\u3044\u305f\u3044,n.\u6b21\u3078,q.\u7d42\u4e86\r\nn\r\nnext\r\n\u958b\u767a\u3067\u4f7f\u3046\u304a\u3059\u3059\u3081\u306e\u8a00\u8a9e\u306f?\r\n1.\u69d8\u3005\u306a\u7aef\u672b\u3067\u52d5\u304b\u3057\u305f\u3044,2.AI\u3092\u4f7f\u3044\u305f\u3044,3.\u7d44\u307f\u8fbc\u307f\u305f\u3044,4.\u30c7\u30fc\u30bf\u3092\u62bd\u51fa\u3057\u305f\u3044,n.\u6b21\u3078,q.\u7d42\u4e86\r\nq\r\nquit<\/pre>\n<h3><span id=\"-do-while\">\uff13-\uff13\uff0edo-while\u6587\u3068\u306f<\/span><\/h3>\n<p>do-while\u6587\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u6700\u5f8c\u306b\u30eb\u30fc\u30d7\u51e6\u7406\u3092\u884c\u3046\u304b\u5426\u304b\u306e\u771f\u7406\u5024\u3092\u53d6\u308a\u307e\u3059\u3002\u307e\u305f<span>continue<\/span>\u6587\u3084<span>break<\/span>\u6587\u3082\u4f7f\u7528\u3059\u308b\u4e8b\u3082\u30e9\u30d9\u30eb\u3092\u4f7f\u7528\u3059\u308b\u4e8b\u3082\u3067\u304d\u307e\u3059\u3002Kotlin\u306a\u3089\u3067\u306f\u306e\u7279\u5fb4\u3068\u3057\u3066\u306f<span>do-while<\/span>\u306b\u56f2\u307e\u308c\u305f\u30d6\u30ed\u30c3\u30af\u3067\u5ba3\u8a00\u3055\u308c\u305f\u5909\u6570\u304c<span>while<\/span>\u306e\u5f15\u6570\u3068\u3057\u3066\u53d6\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">do {\r\n    val ans = readLine()!!\r\n} while (ans != \"end\")\r\nprintln(\"\u51e6\u7406\u3092\u629c\u3051\u307e\u3057\u305f\")<\/pre>\n<p><strong>\u5b9f\u884c\u7d50\u679c<\/strong><\/p>\n<pre class=\"prettyprint lang:default decode:true\">1\r\nend\r\n\u51e6\u7406\u3092\u629c\u3051\u307e\u3057\u305f<\/pre>\n<h2><span id=\"i-5\">\uff14\uff0e\u3055\u3044\u3054\u306b<\/span><\/h2>\n<p>\u3053\u3053\u307e\u3067\u7d39\u4ecb\u3057\u305f\u6a5f\u80fd\u3092\u4f7f\u3048\u3070\u69d8\u3005\u306a\u8981\u4ef6\u306b\u51e6\u7406\u3092\u5408\u308f\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u601d\u3044\u307e\u3059\u3002For\u6587\u3092\u4f7f\u7528\u3059\u308b\u4e8b\u3067\u5197\u9577\u306b\u306a\u308a\u304c\u3061\u306a\u51e6\u7406\u3092\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3001\u3053\u3053\u3067\u5b66\u3093\u3060\u3053\u3068\u3092\u305c\u3072\u3054\u6d3b\u7528\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kotlin\u306efor\u6587(\u30eb\u30fc\u30d7\u51e6\u7406)\u3068\u306f\u3001\u547d\u4ee4\u3092\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3059\u308b\u3053\u3068\u306e\u3067\u304d\u308b\u4fbf\u5229\u306a\u8a18\u6cd5\u306e\u3053\u3068\u3067\u3059\u3002 \u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3055\u308c\u308b\u7269\u306f\u5358\u4e00\u5024\u3067\u3082\u8907\u6570\u5024\u3067\u3082\u8a2d\u5b9a\u3067\u304d\u3001\u7e70\u308a\u8fd4\u3057\u306e\u4ed5\u65b9\u306f\u81ea\u7531\u306b\u6c7a\u3081\u3089\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u51e6\u7406\u306e\u30b9\u30ad\u30c3\u30d7\u3084\u4e2d\u65ad\u7b49\u3082\u3067 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3389,"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\/3387"}],"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=3387"}],"version-history":[{"count":8,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/posts\/3387\/revisions"}],"predecessor-version":[{"id":6090,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/posts\/3387\/revisions\/6090"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/media\/3389"}],"wp:attachment":[{"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/media?parent=3387"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/categories?post=3387"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}