{"id":736,"date":"2022-02-28T01:21:42","date_gmt":"2022-02-27T16:21:42","guid":{"rendered":"https:\/\/engineering.webstudio168.jp\/?p=736"},"modified":"2022-03-18T11:34:12","modified_gmt":"2022-03-18T02:34:12","slug":"dart-class-arguments","status":"publish","type":"post","link":"https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/","title":{"rendered":"Dart\u8a00\u8a9e\u306b\u304a\u3051\u308bClass\u306e\u5f15\u6570\u306e\u6271\u3044\u65b9"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/#%E6%9C%80%E3%82%82%E5%9F%BA%E6%9C%AC%E7%9A%84%E3%81%AADart%E3%81%AE%E3%82%AF%E3%83%A9%E3%82%B9%E3%81%AE%E3%82%B3%E3%83%B3%E3%82%B9%E3%83%88%E3%83%A9%E3%82%AF%E3%82%BF%E3%82%B5%E3%83%B3%E3%83%97%E3%83%AB%E3%82%B3%E3%83%BC%E3%83%89\" >\u6700\u3082\u57fa\u672c\u7684\u306aDart\u306e\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/#%E3%80%8CList_arguments%E3%80%8D%E3%81%AE%E6%84%8F%E5%91%B3\" >\u300cList&lt;String&gt; arguments\u300d\u306e\u610f\u5473<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/#Dart%E8%A8%80%E8%AA%9E%E3%81%AE%E9%AD%85%E5%8A%9B%E3%81%AE1%E3%81%A4%E3%80%81%E5%90%8D%E5%89%8D%E4%BB%98%E3%81%8D%E5%BC%95%E6%95%B0%E3%82%92%E4%BD%BF%E3%81%86\" >Dart\u8a00\u8a9e\u306e\u9b45\u529b\u306e1\u3064\u3001\u540d\u524d\u4ed8\u304d\u5f15\u6570\u3092\u4f7f\u3046<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Dart\u8a00\u8a9e\u3092\u52c9\u5f37\u3057\u3088\u3046\u3068\u601d\u3044\u7acb\u3063\u305f\u65b9\u306e\u4e2d\u306b\u306f\u3001React Native\u304b\u3089\u306e\u5ef6\u9577\u3067\u5b66\u7fd2\u3092\u59cb\u3081\u308b\u4eba\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002JavaScript\u3067\u306eClass\u306e\u66f8\u304d\u65b9\u304c\u3001Dart\u3067\u306f\u3061\u3087\u3063\u3068\u9055\u3063\u305f\u308a\u3057\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dart\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u66f8\u304d\u65b9\u3084\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304b\u3089\u306e\u547c\u3073\u51fa\u3057\u65b9\u306a\u3069\u3092\u3001JavaScript\u3068\u6bd4\u8f03\u3057\u3064\u3064\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3059\u3002Dart\u306f\u540d\u524d\u4ed8\u304d\u5f15\u6570\u304c\u4f7f\u3048\u308b\u306e\u3067\u3001\u30a8\u30e9\u30fc\u5468\u308a\u306e\u56de\u907f\u306a\u3069\u975e\u5e38\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%9C%80%E3%82%82%E5%9F%BA%E6%9C%AC%E7%9A%84%E3%81%AADart%E3%81%AE%E3%82%AF%E3%83%A9%E3%82%B9%E3%81%AE%E3%82%B3%E3%83%B3%E3%82%B9%E3%83%88%E3%83%A9%E3%82%AF%E3%82%BF%E3%82%B5%E3%83%B3%E3%83%97%E3%83%AB%E3%82%B3%E3%83%BC%E3%83%89\"><\/span>\u6700\u3082\u57fa\u672c\u7684\u306aDart\u306e\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306bDart\u8a00\u8a9e\u306e\u57fa\u672c\u3068\u306a\u308b\u30af\u30e9\u30b9\u306e\u30b9\u30cb\u30da\u30c3\u30c8\u7684\u306a\u30b3\u30fc\u30c9\u3092\u63b2\u8f09\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e<code>Person(this.age, this.name);<\/code>\u304c\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306b\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-dart\" data-file=\"submod.dart\" data-lang=\"Dart\"><code>class Person {\n  int age;\n  String name;\n\n  Person(this.age, this.name);\n\n  String toString() {\n    return &#39;$name : $age&#39;;\n  }\n}<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">JavaScript\u3067\u306f\u6b21\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-file=\"js-samplecClass\" data-lang=\"JavaScript\"><code>class Person {\n\n  constructor(name, age) { \n    this.name = name;      \n    this.age = age;        \n  }                        \n\n  _toString() {\n    return this.name + &quot; : &quot; + this.age;\n  }\n}<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\uff12\u3064\u306b\u5171\u901a\u3059\u308b\u306e\u306f\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5074\u3067\u5f15\u6570\u3092\u6e21\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3001JavaScript\u3067\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3059\u308b\u969b\u306b\u5f15\u6570\u3092\u6e21\u3055\u306a\u304f\u3066\u3082\u30a8\u30e9\u30fc\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002name, age\u3068\u3082\u306b\u5f15\u6570\u3092\u7a7a\u306b\u3057\u305f\u72b6\u614b\u3067\u5b9f\u884c\u3059\u308b\u3068undefined\u304c\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002\u6b21\u306eJavaScript\u306e\u30b3\u30fc\u30c9\u3092\u898b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-file=\"\u30b5\u30f3\u30d7\u30eb.js\" data-lang=\"JavaScript\"><code>var ps = new Person(&#39;Anemone&#39;);\nconsole.log(ps._toString());<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u306e\u4f8b\u3067\u306f\u3001Person\u30af\u30e9\u30b9\u306b\u5f15\u6570\u30921\u3064\u3057\u304b\u6e21\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u3053\u308c\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u4e0a\u3067<code>Anemone : undefined<\/code>\u3068\u8868\u793a\u3055\u308c\u3001\u7279\u306b\u30a8\u30e9\u30fc\u304c\u5410\u304b\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3057\u304b\u3057Dart\u8a00\u8a9e\u3067\u306fClass\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u5f15\u6570\u3068\u5b9f\u884c\u5074\u306e\u5f15\u6570\u304c\u5408\u308f\u306a\u3044\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-dart\" data-file=\"main.dart\" data-lang=\"Dart\"><code>void main(List&lt;String&gt; arguments) {\n  Person submod1 = Person(&quot;anemone&quot;);\n  print(submod1.toString());\n}<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u8a18\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308b\u3068\u3001VSCode\u3067\u306f\u30a8\u30c7\u30a3\u30bf\u4e0a\u3067<code>2 positional argument(s) expected, but 1 found. Try adding the missing arguments.<\/code>\u3068\u3044\u3046\u30a8\u30e9\u30fc\u304c\u51fa\u307e\u3059\u304c\u3001\u3053\u308c\u3092\u7121\u7406\u3084\u308a\u5b9f\u884c\u3059\u308b\u3068<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>: Error: Too few positional arguments: 2 required, 1 given.\nbin\/dart_application_1.dart:4\n  Person submod1 = Person(\"anemone\");<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3068\u3044\u3046\u30a8\u30e9\u30fc\u304c\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<code>arguments<\/code>\u306f\u65e5\u672c\u8a9e\u3067\u5f15\u6570\u3092\u610f\u5473\u3057\u307e\u3059\u30022\u3064\u5fc5\u8981\u3060\u3051\u30691\u3064\u3057\u304b\u4e0e\u3048\u3089\u308c\u3066\u306a\u3044\u3088\u3001\u3068\u3044\u3046\u30a8\u30e9\u30fc\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%80%8CList_arguments%E3%80%8D%E3%81%AE%E6%84%8F%E5%91%B3\"><\/span>\u300cList&lt;String&gt; arguments\u300d\u306e\u610f\u5473<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a71\u306f\u5909\u308f\u3063\u3066\u3001\u86c7\u8db3\u306b\u306a\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u5148\u307b\u3069\u5b9f\u884c\u3057\u305fmain()\u306e\u4e2d\u306b<code>List&lt;String&gt; arguments<\/code>\u3068\u3044\u3046\u5f15\u6570\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u5f15\u6570\u306f\u3001<strong>\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570<\/strong>\uff08command line arguments\uff09\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u3067\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u304b\u3089Dart\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3059\u308b\u969b\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4ed8\u3051\u3066\u5b9f\u884c\u3059\u308b\u5834\u5408\u306b\u6d3b\u8e8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u524d\u8ff0\u306emain()\u3092\u5c11\u3057\u6539\u9020\u3057\u3066\u307f\u307e\u3059\u3002\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u3092\u51fa\u529b\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-dart\" data-file=\"dart_application_1.dart\" data-lang=\"Dart\"><code>void main(List&lt;String&gt; arguments) {\n  Person submod1 = Person(14, &quot;anemone&quot;);\n  print(submod1.toString());\n  print(arguments); \/\/ \u8ffd\u52a0\n}<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3092\u30aa\u30d7\u30b7\u30e7\u30f3\u7121\u3057\u3067\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u304b\u3089\u5b9f\u884c\uff08dart\uff09\u3059\u308b\u3068\u3001<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>anemone : (14)\n&#91;]<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3068\u51fa\u529b\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u300c[]\u300d\u3068\u3044\u3046\u306e\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\uff08\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\uff09\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u306e\u3067\u7a7a\u306eList\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eca\u5ea6\u306f\u30bf\u30fc\u30df\u30ca\u30eb\u304b\u3089\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-dart\" data-file=\"\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\" data-lang=\"Dart\"><code>dart .\/bin\/dart_application_1.dart --test sample -5goki hades<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><code> --test sample -5goki hades<\/code>\u306e\u90e8\u5206\u304c\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3059\u306d\u3002React Native\u3092\u3084\u3063\u3066\u308b\u65b9\u306f\u3001Node.js\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3068\u304d\u306b\u4f7f\u7528\u3055\u308c\u305f\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3059\u308b\u3068\u3001<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>anemone : (14)\n&#91;--test, sample, -5goki, hades]<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3068\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u3057\u3066\u3001\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u304c\u5f15\u6570\u3068\u3057\u3066\u6271\u308f\u308c\u3001List\u306e\u4e2d\u306b\u5165\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3082\u3057\u3001\u3053\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092main()\u5185\u3067\u51e6\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306b\u306f\u3001\u3053\u306e\u307e\u307e\u3067\u306f\u4f7f\u3048\u306a\u3044\u306e\u3067\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002\u300cargs\u300d\u3068\u3044\u3046Dart\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u5229\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u5272\u611b\u3057\u307e\u3059\u306e\u3067\u3001\u6c17\u306b\u306a\u308b\u65b9\u306f\u3001\u300cDart args\u300d\u306a\u3069\u3067Web\u691c\u7d22\u3092\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dart%E8%A8%80%E8%AA%9E%E3%81%AE%E9%AD%85%E5%8A%9B%E3%81%AE1%E3%81%A4%E3%80%81%E5%90%8D%E5%89%8D%E4%BB%98%E3%81%8D%E5%BC%95%E6%95%B0%E3%82%92%E4%BD%BF%E3%81%86\"><\/span>Dart\u8a00\u8a9e\u306e\u9b45\u529b\u306e1\u3064\u3001\u540d\u524d\u4ed8\u304d\u5f15\u6570\u3092\u4f7f\u3046<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u521d\u306b\u7d39\u4ecb\u3057\u305fDart\u8a00\u8a9e\u306e\u30af\u30e9\u30b9\u306e\u4f8b\u3092\u305d\u306e\u307e\u307e\u4f7f\u3046\u3053\u3068\u306f\u3001\u6b8b\u5ff5\u306a\u304c\u3089\u51fa\u6765\u307e\u305b\u3093\u3002\u3067\u306f\u3001\u540d\u524d\u4ed8\u304d\u5f15\u6570\u3092\u4f7f\u3048\u308b\u3088\u3046\u306bClass\u5074\u3092\u5c11\u3057\u4fee\u6b63\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-dart\" data-file=\"lib\/submod.dart\" data-lang=\"Dart\"><code>class Person {\n  int age;\n  String name;\n\n  Person({required this.age, required this.name});\n\n  String toString() {\n    return &#39;$name : ($age)&#39;;\n  }\n}<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d1\u30c3\u3068\u898b\u3001\u3069\u3053\u304c\u9055\u3046\u304b\u5206\u304b\u308a\u307e\u3059\u3067\u3057\u3087\u3046\u304b\u30021\u304b\u6240\uff1f2\u304b\u6240\uff1f\u305f\u3076\u3093\u898b\u843d\u3068\u3057\u3066\u3057\u307e\u3046\u65b9\u304c\u3044\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3081\u306a\u306e\u3067\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3060\u3051\u629c\u304d\u51fa\u3057\u3066\u8aac\u660e\u3057\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-dart\" data-file=\"lib\/submod.dart\" data-lang=\"Dart\"><code>Person({required this.age, required this.name});<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">1\u500b\u76ee\u3001required\u30ad\u30fc\u30ef\u30fc\u30c9\u304c\u4ed8\u4e0e\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308b\u3068\u601d\u3044\u307e\u3059\u3002required\u30ad\u30fc\u30ef\u30fc\u30c9\u306a\u3057\u3067\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3068VSCode\u5148\u751f\u306b\u300c\u3064\u3051\u306a\u3055\u3044\u300d\u3068\u6012\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ed6\u30b5\u30a4\u30c8\u3055\u3093\u306e\u60c5\u5831\u898b\u3066\u308b\u3068\u3001required\u304c\u4ed8\u3044\u3066\u306a\u3044\u3053\u3068\u304c\u975e\u5e38\u306b\u591a\u304b\u3063\u305f\u305f\u3081\u3001\u3082\u3057\u304b\u3057\u305f\u3089\u6700\u8fd1\u4ed5\u69d8\u306b\u5909\u66f4\u304c\u3042\u3063\u305f\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u306d\u3002\u3068\u3044\u3046\u304b\u3001\u5f15\u6570\u3064\u3051\u3066\u308b\u306e\u306b\u660e\u793a\u7684\u306brequired\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u8a18\u8ff0\u3057\u306a\u3044\u3068\u30c0\u30e1\u306a\u306e\u3063\u3066\u8151\u306b\u843d\u3061\u306a\u3044\u6c17\u3082\u2026\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\u70b9\u76ee\u3001\u3053\u308c\u898b\u9003\u3059\u304b\u305f\u304b\u306a\u308a\u591a\u3044\u3093\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u6b63\u89e3\u306f\u3001\u5f15\u6570\u306e\u4e2d\u306b\u300c{}\uff08\u6ce2\u62ec\u5f27\u3001\u4e2d\u62ec\u5f27\u3001\u30d6\u30ec\u30fc\u30b9\uff09\u300d\u3067\u304f\u304f\u3063\u3066\u3042\u308a\u307e\u3059\u306d\u3002\u3053\u306e\u6ce2\u30ab\u30c3\u30b3\u304c\u7121\u3044\u3068\u3001\u547c\u3073\u51fa\u3057\u5074\u306emain()\u306e\u4e2d\u306b\u540d\u524d\u4ed8\u304d\u5f15\u6570\u3092\u3057\u3066\u3044\u3057\u3066\u3082\u3001Dart\u306f\u5f15\u6570\u3092\u8a8d\u8b58\u305b\u305a\u3001\u300c\u5f15\u6570\u30bc\u30ed\u3060\u3088\u300d\u3068\u3044\u3046\u30a8\u30e9\u30fc\u3092\u5410\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">main()\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u306e\u969b\u306b\u5f15\u6570\u3092\u540d\u524d\u3092\u5b9a\u7fa9\u3057\u3066\u6e21\u3059\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002\u6587\u7ae0\u3060\u3068\u3084\u3084\u3053\u3057\u3044\u306e\u3067\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3092\u3069\u3046\u305e\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-dart\" data-file=\"main.dart\" data-lang=\"Dart\"><code>void main(List&lt;String&gt; arguments) {\n  Person submod1 = Person(age: 14, name: &quot;anemone&quot;);\n  print(submod1.toString());\n}<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><code>age: 14, name: \"anemone\"<\/code>\u306e\u3088\u3046\u306b\u300c\u5f15\u6570\u540d: \u5024\u300d\u3092\u300c,\uff08\u30ab\u30f3\u30de\uff09\u300d\u3067\u533a\u5207\u3063\u3066\u3042\u3052\u307e\u3059\u3002\u3053\u306e\u5f15\u6570\u5185\u306e\u9806\u5e8f\u306f\u4e0d\u554f\u3067\u3001\u300cage: 14\u300d\u304c\u5148\u3067\u3082\u5f8c\u3067\u3082\u51fa\u529b\u3055\u308c\u308b\u7d50\u679c\u306f\u540c\u3058\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002\u5f15\u6570\u306e\u540d\u79f0\uff08\u30ad\u30fc\uff1f\uff09\u304c\u5408\u3063\u3066\u3055\u3048\u3044\u308c\u3070\u3001\u5f15\u6570\u306e\u9806\u5e8f\u3092\u5b88\u3089\u306a\u304f\u3066\u3044\u3044\u306e\u3067\u3001\u30e1\u30f3\u30c6\u3082\u30a4\u30e1\u30fc\u30b8\u3082\u5c11\u3057\u697d\u306b\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u3068\u3081<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dart\u8a00\u8a9e\u3092\u52c9\u5f37\u3057\u3088\u3046\u3068\u601d\u3044\u7acb\u3063\u305f\u65b9\u306e\u4e2d\u306b\u306f\u3001React Native\u304b\u3089\u306e\u5ef6\u9577\u3067\u5b66\u7fd2\u3092\u59cb\u3081\u308b\u4eba\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002JavaScript\u3067\u306eClass\u306e\u66f8\u304d\u65b9\u304c\u3001Dart\u3067\u306f\u3061\u3087\u3063\u3068\u9055\u3063\u305f\u308a\u3057\u307e\u3059\u306d\u3002 Dart [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":801,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","_themeisle_gutenberg_block_has_review":false,"sitemap_hide":"","_veu_custom_css":"","veu_display_promotion_alert":"","vkexunit_cta_each_option":"","footnotes":""},"categories":[45],"tags":[47,8,48],"class_list":["post-736","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-flutter","tag-dart","tag-javascript","tag-48"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dart\u8a00\u8a9e\u306b\u304a\u3051\u308bClass\u306e\u5f15\u6570\u306e\u6271\u3044\u65b9 | QooTechWEB-\u958b\u767a\u30ed\u30b0\u30fb\u5b9f\u52d9\u8a18\u9332\u30d6\u30ed\u30b0<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dart\u8a00\u8a9e\u306b\u304a\u3051\u308bClass\u306e\u5f15\u6570\u306e\u6271\u3044\u65b9 | QooTechWEB-\u958b\u767a\u30ed\u30b0\u30fb\u5b9f\u52d9\u8a18\u9332\u30d6\u30ed\u30b0\" \/>\n<meta property=\"og:description\" content=\"Dart\u8a00\u8a9e\u3092\u52c9\u5f37\u3057\u3088\u3046\u3068\u601d\u3044\u7acb\u3063\u305f\u65b9\u306e\u4e2d\u306b\u306f\u3001React Native\u304b\u3089\u306e\u5ef6\u9577\u3067\u5b66\u7fd2\u3092\u59cb\u3081\u308b\u4eba\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002JavaScript\u3067\u306eClass\u306e\u66f8\u304d\u65b9\u304c\u3001Dart\u3067\u306f\u3061\u3087\u3063\u3068\u9055\u3063\u305f\u308a\u3057\u307e\u3059\u306d\u3002 Dart [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/\" \/>\n<meta property=\"og:site_name\" content=\"QooTechWEB-\u958b\u767a\u30ed\u30b0\u30fb\u5b9f\u52d9\u8a18\u9332\u30d6\u30ed\u30b0\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/kenichi.yoshimura.735\/\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/kenichi.yoshimura.735\/\" \/>\n<meta property=\"article:published_time\" content=\"2022-02-27T16:21:42+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-03-18T02:34:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/engineering.webstudio168.jp\/blog\/wp-content\/uploads\/2022\/02\/angry-3233158_1920.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1264\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"\u559c\u591a\u5ddd\u8ce2\u4e00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u559c\u591a\u5ddd\u8ce2\u4e00\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"9\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/dart-class-arguments\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/dart-class-arguments\\\/\"},\"author\":{\"name\":\"\u559c\u591a\u5ddd\u8ce2\u4e00\",\"@id\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/#\\\/schema\\\/person\\\/6d312dfa5e9a00aa7a3575e6dec37ddb\"},\"headline\":\"Dart\u8a00\u8a9e\u306b\u304a\u3051\u308bClass\u306e\u5f15\u6570\u306e\u6271\u3044\u65b9\",\"datePublished\":\"2022-02-27T16:21:42+00:00\",\"dateModified\":\"2022-03-18T02:34:12+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/dart-class-arguments\\\/\"},\"wordCount\":59,\"publisher\":{\"@id\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/#\\\/schema\\\/person\\\/6d312dfa5e9a00aa7a3575e6dec37ddb\"},\"image\":{\"@id\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/dart-class-arguments\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/angry-3233158_1920.jpg\",\"keywords\":[\"Dart\",\"JavaScript\",\"\u6587\u6cd5\"],\"articleSection\":[\"Flutter\"],\"inLanguage\":\"ja\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/dart-class-arguments\\\/\",\"url\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/dart-class-arguments\\\/\",\"name\":\"Dart\u8a00\u8a9e\u306b\u304a\u3051\u308bClass\u306e\u5f15\u6570\u306e\u6271\u3044\u65b9 | QooTechWEB-\u958b\u767a\u30ed\u30b0\u30fb\u5b9f\u52d9\u8a18\u9332\u30d6\u30ed\u30b0\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/dart-class-arguments\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/dart-class-arguments\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/angry-3233158_1920.jpg\",\"datePublished\":\"2022-02-27T16:21:42+00:00\",\"dateModified\":\"2022-03-18T02:34:12+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/dart-class-arguments\\\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/dart-class-arguments\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/dart-class-arguments\\\/#primaryimage\",\"url\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/angry-3233158_1920.jpg\",\"contentUrl\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/angry-3233158_1920.jpg\",\"width\":1920,\"height\":1264},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/dart-class-arguments\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"QooTechWEB\",\"item\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Dart\u8a00\u8a9e\u306b\u304a\u3051\u308bClass\u306e\u5f15\u6570\u306e\u6271\u3044\u65b9\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/\",\"name\":\"QooTechWEB\",\"description\":\"\u73fe\u5f79\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30a8\u30f3\u30b8\u30cb\u30a2\u304cJavaScript\u3092\u4e2d\u5fc3\u306bWeb\u958b\u767a\u306b\u4f7f\u3048\u308b\u60c5\u5831\u3092\u767a\u4fe1\u3057\u3066\u3044\u307e\u3059\uff01\u203b\u30b5\u30a4\u30c8\u5185\u306b\u30a2\u30d5\u30a3\u30ea\u30a8\u30a4\u30c8\u3092\u542b\u307f\u307e\u3059\",\"publisher\":{\"@id\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/#\\\/schema\\\/person\\\/6d312dfa5e9a00aa7a3575e6dec37ddb\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/#\\\/schema\\\/person\\\/6d312dfa5e9a00aa7a3575e6dec37ddb\",\"name\":\"\u559c\u591a\u5ddd\u8ce2\u4e00\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/prof.png\",\"url\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/prof.png\",\"contentUrl\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/prof.png\",\"width\":514,\"height\":514,\"caption\":\"\u559c\u591a\u5ddd\u8ce2\u4e00\"},\"logo\":{\"@id\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/prof.png\"},\"description\":\"\u65e9\u7a32\u7530\u5927\u5b66\u7b2c\u4e00\u6587\u5b66\u90e8\u5352\u696d\u5f8c\u3001JAVA\u3067\u91d1\u878d\u7cfb\u30b7\u30b9\u30c6\u30e0\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u306a\u308b\u3002\u75d9\u6027\u659c\u9838\uff08\u3051\u3044\u305b\u3044\u3057\u3083\u3051\u3044\uff09\u3068\u3044\u3046\u5947\u75c5\u306b\u304b\u304b\u308a\u3001\u9996\u304c\u66f2\u304c\u3063\u305f\u3063\u307e\u307e\u306e\u751f\u6d3b\u309210\u5e74\u4ee5\u4e0a\u7d4c\u9a13\u3002\u30d7\u30fc\u30eb\u306b\u901a\u3044\u81ea\u529b\u3067\u76f4\u3057\u3001\u4eca\u306f\u307b\u307c\u5b8c\u6cbb\u3002 \u305d\u3093\u306a\u3053\u3068\u3082\u3042\u3063\u3066\u3001\u30b7\u30b9\u30c6\u30e0\u30a8\u30f3\u30b8\u30cb\u30a2\u304b\u3089\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u8ee2\u8eab\u3057\u3001\u73fe\u5728\u306fWEB\u306e\u4e16\u754c\u3067\u751f\u6d3b\u3002 \u696d\u52d9\u3067\u5229\u7528\u3057\u305f\u8a00\u8a9e\u306f \u30fbJAVA\uff083\u5e74\u7a0b\u5ea6\uff09 \u30fbPHP\uff085\u5e74\u7a0b\u5ea6\uff09 \u30fbPython\uff081\u5e74\uff09 \u30fbHTML\uff0815\u5e74\uff09\u30fbCSS\uff0815\u5e74\uff09\u30fbJavaScript\uff0815\u5e74\uff09\u30fbAppScript\uff081\u5e74\uff09 \u597d\u304d\u306a\u3082\u306e\u306fJavaScript\u3002\",\"sameAs\":[\"https:\\\/\\\/engineering.webstudio168.jp\",\"https:\\\/\\\/www.facebook.com\\\/kenichi.yoshimura.735\\\/\",\"https:\\\/\\\/www.instagram.com\\\/qoo_sphynx\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/in\\\/--20a9a4190\\\/\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UCSZ3BHtlV0CqU296Y5lXoXw\"],\"url\":\"https:\\\/\\\/engineering.webstudio168.jp\\\/blog\\\/author\\\/ichi0726\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Dart\u8a00\u8a9e\u306b\u304a\u3051\u308bClass\u306e\u5f15\u6570\u306e\u6271\u3044\u65b9 | QooTechWEB-\u958b\u767a\u30ed\u30b0\u30fb\u5b9f\u52d9\u8a18\u9332\u30d6\u30ed\u30b0","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/","og_locale":"ja_JP","og_type":"article","og_title":"Dart\u8a00\u8a9e\u306b\u304a\u3051\u308bClass\u306e\u5f15\u6570\u306e\u6271\u3044\u65b9 | QooTechWEB-\u958b\u767a\u30ed\u30b0\u30fb\u5b9f\u52d9\u8a18\u9332\u30d6\u30ed\u30b0","og_description":"Dart\u8a00\u8a9e\u3092\u52c9\u5f37\u3057\u3088\u3046\u3068\u601d\u3044\u7acb\u3063\u305f\u65b9\u306e\u4e2d\u306b\u306f\u3001React Native\u304b\u3089\u306e\u5ef6\u9577\u3067\u5b66\u7fd2\u3092\u59cb\u3081\u308b\u4eba\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002JavaScript\u3067\u306eClass\u306e\u66f8\u304d\u65b9\u304c\u3001Dart\u3067\u306f\u3061\u3087\u3063\u3068\u9055\u3063\u305f\u308a\u3057\u307e\u3059\u306d\u3002 Dart [&hellip;]","og_url":"https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/","og_site_name":"QooTechWEB-\u958b\u767a\u30ed\u30b0\u30fb\u5b9f\u52d9\u8a18\u9332\u30d6\u30ed\u30b0","article_publisher":"https:\/\/www.facebook.com\/kenichi.yoshimura.735\/","article_author":"https:\/\/www.facebook.com\/kenichi.yoshimura.735\/","article_published_time":"2022-02-27T16:21:42+00:00","article_modified_time":"2022-03-18T02:34:12+00:00","og_image":[{"width":1920,"height":1264,"url":"https:\/\/engineering.webstudio168.jp\/blog\/wp-content\/uploads\/2022\/02\/angry-3233158_1920.jpg","type":"image\/jpeg"}],"author":"\u559c\u591a\u5ddd\u8ce2\u4e00","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u559c\u591a\u5ddd\u8ce2\u4e00","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"9\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/#article","isPartOf":{"@id":"https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/"},"author":{"name":"\u559c\u591a\u5ddd\u8ce2\u4e00","@id":"https:\/\/engineering.webstudio168.jp\/blog\/#\/schema\/person\/6d312dfa5e9a00aa7a3575e6dec37ddb"},"headline":"Dart\u8a00\u8a9e\u306b\u304a\u3051\u308bClass\u306e\u5f15\u6570\u306e\u6271\u3044\u65b9","datePublished":"2022-02-27T16:21:42+00:00","dateModified":"2022-03-18T02:34:12+00:00","mainEntityOfPage":{"@id":"https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/"},"wordCount":59,"publisher":{"@id":"https:\/\/engineering.webstudio168.jp\/blog\/#\/schema\/person\/6d312dfa5e9a00aa7a3575e6dec37ddb"},"image":{"@id":"https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/#primaryimage"},"thumbnailUrl":"https:\/\/engineering.webstudio168.jp\/blog\/wp-content\/uploads\/2022\/02\/angry-3233158_1920.jpg","keywords":["Dart","JavaScript","\u6587\u6cd5"],"articleSection":["Flutter"],"inLanguage":"ja"},{"@type":"WebPage","@id":"https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/","url":"https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/","name":"Dart\u8a00\u8a9e\u306b\u304a\u3051\u308bClass\u306e\u5f15\u6570\u306e\u6271\u3044\u65b9 | QooTechWEB-\u958b\u767a\u30ed\u30b0\u30fb\u5b9f\u52d9\u8a18\u9332\u30d6\u30ed\u30b0","isPartOf":{"@id":"https:\/\/engineering.webstudio168.jp\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/#primaryimage"},"image":{"@id":"https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/#primaryimage"},"thumbnailUrl":"https:\/\/engineering.webstudio168.jp\/blog\/wp-content\/uploads\/2022\/02\/angry-3233158_1920.jpg","datePublished":"2022-02-27T16:21:42+00:00","dateModified":"2022-03-18T02:34:12+00:00","breadcrumb":{"@id":"https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/#primaryimage","url":"https:\/\/engineering.webstudio168.jp\/blog\/wp-content\/uploads\/2022\/02\/angry-3233158_1920.jpg","contentUrl":"https:\/\/engineering.webstudio168.jp\/blog\/wp-content\/uploads\/2022\/02\/angry-3233158_1920.jpg","width":1920,"height":1264},{"@type":"BreadcrumbList","@id":"https:\/\/engineering.webstudio168.jp\/blog\/dart-class-arguments\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"QooTechWEB","item":"https:\/\/engineering.webstudio168.jp\/blog\/"},{"@type":"ListItem","position":2,"name":"Dart\u8a00\u8a9e\u306b\u304a\u3051\u308bClass\u306e\u5f15\u6570\u306e\u6271\u3044\u65b9"}]},{"@type":"WebSite","@id":"https:\/\/engineering.webstudio168.jp\/blog\/#website","url":"https:\/\/engineering.webstudio168.jp\/blog\/","name":"QooTechWEB","description":"\u73fe\u5f79\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30a8\u30f3\u30b8\u30cb\u30a2\u304cJavaScript\u3092\u4e2d\u5fc3\u306bWeb\u958b\u767a\u306b\u4f7f\u3048\u308b\u60c5\u5831\u3092\u767a\u4fe1\u3057\u3066\u3044\u307e\u3059\uff01\u203b\u30b5\u30a4\u30c8\u5185\u306b\u30a2\u30d5\u30a3\u30ea\u30a8\u30a4\u30c8\u3092\u542b\u307f\u307e\u3059","publisher":{"@id":"https:\/\/engineering.webstudio168.jp\/blog\/#\/schema\/person\/6d312dfa5e9a00aa7a3575e6dec37ddb"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/engineering.webstudio168.jp\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":["Person","Organization"],"@id":"https:\/\/engineering.webstudio168.jp\/blog\/#\/schema\/person\/6d312dfa5e9a00aa7a3575e6dec37ddb","name":"\u559c\u591a\u5ddd\u8ce2\u4e00","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/engineering.webstudio168.jp\/blog\/wp-content\/uploads\/2022\/02\/prof.png","url":"https:\/\/engineering.webstudio168.jp\/blog\/wp-content\/uploads\/2022\/02\/prof.png","contentUrl":"https:\/\/engineering.webstudio168.jp\/blog\/wp-content\/uploads\/2022\/02\/prof.png","width":514,"height":514,"caption":"\u559c\u591a\u5ddd\u8ce2\u4e00"},"logo":{"@id":"https:\/\/engineering.webstudio168.jp\/blog\/wp-content\/uploads\/2022\/02\/prof.png"},"description":"\u65e9\u7a32\u7530\u5927\u5b66\u7b2c\u4e00\u6587\u5b66\u90e8\u5352\u696d\u5f8c\u3001JAVA\u3067\u91d1\u878d\u7cfb\u30b7\u30b9\u30c6\u30e0\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u306a\u308b\u3002\u75d9\u6027\u659c\u9838\uff08\u3051\u3044\u305b\u3044\u3057\u3083\u3051\u3044\uff09\u3068\u3044\u3046\u5947\u75c5\u306b\u304b\u304b\u308a\u3001\u9996\u304c\u66f2\u304c\u3063\u305f\u3063\u307e\u307e\u306e\u751f\u6d3b\u309210\u5e74\u4ee5\u4e0a\u7d4c\u9a13\u3002\u30d7\u30fc\u30eb\u306b\u901a\u3044\u81ea\u529b\u3067\u76f4\u3057\u3001\u4eca\u306f\u307b\u307c\u5b8c\u6cbb\u3002 \u305d\u3093\u306a\u3053\u3068\u3082\u3042\u3063\u3066\u3001\u30b7\u30b9\u30c6\u30e0\u30a8\u30f3\u30b8\u30cb\u30a2\u304b\u3089\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u8ee2\u8eab\u3057\u3001\u73fe\u5728\u306fWEB\u306e\u4e16\u754c\u3067\u751f\u6d3b\u3002 \u696d\u52d9\u3067\u5229\u7528\u3057\u305f\u8a00\u8a9e\u306f \u30fbJAVA\uff083\u5e74\u7a0b\u5ea6\uff09 \u30fbPHP\uff085\u5e74\u7a0b\u5ea6\uff09 \u30fbPython\uff081\u5e74\uff09 \u30fbHTML\uff0815\u5e74\uff09\u30fbCSS\uff0815\u5e74\uff09\u30fbJavaScript\uff0815\u5e74\uff09\u30fbAppScript\uff081\u5e74\uff09 \u597d\u304d\u306a\u3082\u306e\u306fJavaScript\u3002","sameAs":["https:\/\/engineering.webstudio168.jp","https:\/\/www.facebook.com\/kenichi.yoshimura.735\/","https:\/\/www.instagram.com\/qoo_sphynx\/","https:\/\/www.linkedin.com\/in\/--20a9a4190\/","https:\/\/www.youtube.com\/channel\/UCSZ3BHtlV0CqU296Y5lXoXw"],"url":"https:\/\/engineering.webstudio168.jp\/blog\/author\/ichi0726\/"}]}},"_links":{"self":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts\/736","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/comments?post=736"}],"version-history":[{"count":71,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts\/736\/revisions"}],"predecessor-version":[{"id":810,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts\/736\/revisions\/810"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/media\/801"}],"wp:attachment":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/media?parent=736"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/categories?post=736"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/tags?post=736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}