{"id":9543,"date":"2025-06-06T19:41:43","date_gmt":"2025-06-06T10:41:43","guid":{"rendered":"https:\/\/techmania.jp\/blog\/?p=9543"},"modified":"2025-12-19T20:26:42","modified_gmt":"2025-12-19T11:26:42","slug":"java-constructor","status":"publish","type":"post","link":"https:\/\/techmania.jp\/blog\/java-constructor\/","title":{"rendered":"\u3010Java\u5165\u9580\u3011\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u4f7f\u3044\u65b9\uff08\u30af\u30e9\u30b9\/\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\uff09"},"content":{"rendered":"\n<p>Java\u306b\u306f\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u547c\u3070\u308c\u308b\u7279\u6b8a\u306a\u5ba3\u8a00\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<br>\u30d5\u30a3\u30fc\u30eb\u30c9\u5909\u6570\u306e\u521d\u671f\u5316\u306a\u3069\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b\u6a5f\u80fd\u3067\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u4f7f\u3063\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u521d\u671f\u72b6\u614b\u3092\u4fdd\u8a3c\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u30af\u30e9\u30b9\u3092\u6271\u3044\u3084\u3059\u304f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u306f\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u5177\u4f53\u7684\u306a\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3092\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__1\" class=\"wp-block-heading\">Java\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u306f\uff1f<\/h2>\n\n\n\n<img decoding=\"async\" src=\"https:\/\/web-img.rensa.jp.net\/images\/techmania\/thumbnail\/images\/instance_java.webp\" class=\"post-img\" alt=\"\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\" loading=\"lazy\">\n\n\n\n<img decoding=\"async\" src=\"https:\/\/web-img.rensa.jp.net\/images\/techmania\/thumbnail\/images\/constructor_java.webp\" class=\"post-img\" alt=\"\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\" loading=\"lazy\">\n\n\n\n<p>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u306f\u3001\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3059\u308b\u969b\u306b\u81ea\u52d5\u3067\u5b9f\u884c\u3055\u308c\u308b<strong>\u5ba3\u8a00\u8981\u7d20<\/strong>\u306e\u3053\u3068\u3092\u8a00\u3044\u307e\u3059\u3002<br>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u751f\u6210\u3068\u540c\u6642\u306b\u5fc5\u305a\u5b9f\u884c\u3055\u308c\u308b\u305f\u3081\u3001\u4e3b\u306b\u521d\u671f\u5316\u51e6\u7406\u3092\u884c\u3046\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u5909\u6570\u306b\u521d\u671f\u5024\u3092\u4ee3\u5165\u3059\u308b\u306a\u3069\u306e\u8a2d\u5b9a\u3092\u81ea\u52d5\u3067\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306b\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u3068\u306f\u7570\u306a\u308b\u7279\u5fb4\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5ba3\u8a00\u8981\u7d20\u540d\u3068\u30af\u30e9\u30b9\u540d\u304c\u540c\u3058\u3067\u3042\u308b<\/li>\n\n\n\n<li>\u623b\u308a\u5024\u3092\u6301\u305f\u305a\u3001\u9014\u4e2d\u3067\u306ereturn\u3082\u3067\u304d\u306a\u3044<\/li>\n\n\n\n<li>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u6642\u306b1\u5ea6\u3060\u3051\u81ea\u52d5\u3067\u5b9f\u884c\u3055\u308c\u308b<\/li>\n<\/ul>\n\n\n\n<p>\u4e00\u65b9\u3067\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u30e1\u30bd\u30c3\u30c9\u3068\u540c\u3058\u3088\u3046\u306b\u3001\u8907\u6570\u5b9f\u88c5 (\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9) \u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u30a2\u30af\u30bb\u30b9\u88c5\u98fe\u5b50\u3067\u30a2\u30af\u30bb\u30b9\u30ec\u30d9\u30eb\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3057\u305f\u308a\u3001\u4f8b\u5916\u3092\u6295\u3052\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__2\" class=\"wp-block-heading\">\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n\n<p>\u3053\u3053\u304b\u3089\u306f\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u5b9f\u969b\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"outline__2_1\" class=\"wp-block-heading\">\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u547c\u3073\u51fa\u3059<\/h3>\n\n\n\n<p>\u307e\u305a\u521d\u3081\u306b\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5148\u307b\u3069\u8aac\u660e\u3057\u305f\u3088\u3046\u306b\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306f\u30af\u30e9\u30b9\u540d\u3068\u540c\u3058\u540d\u524d\u3067\u30e1\u30bd\u30c3\u30c9\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<br>\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u52d5\u304d\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-java\" data-lang=\"Java\"><code>public class Main {\n    \n    public static void main(String[] args) {\n        \n        SampleConstructor sampleCS = SampleConstructor();\n\n    }\n}\n\nclass SampleConstructor {  \n    \n    String str;\n \n    \/\/\u3000\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    public SampleConstructor() {\n        \n        str = &quot;SampleConstructor&quot;;\n        \n        System.out.println(str);\n    }\n}<\/code><\/pre><\/div>\n\n\n\n<p><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>SampleConstructor<\/code><\/pre><\/div>\n\n\n\n<p>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u51e6\u7406\u5185\u5bb9\u304c\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u5206\u304b\u308b\u3068\u601d\u3044\u307e\u3059\u3002<br>\u57fa\u672c\u306f\u3053\u306e\u3088\u3046\u306b\u3001\u30af\u30e9\u30b9\u540d\u3068\u540c\u3058\u540d\u524d\u3067\u30e1\u30bd\u30c3\u30c9\u3092\u4f5c\u6210\u3057\u3001\u521d\u671f\u5316\u3057\u305f\u3044\u5185\u5bb9\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u306a\u304a\u3001\u305d\u306e\u30af\u30e9\u30b9\u5185\u306b\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u547c\u3070\u308c\u308b\u7a7a\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\uff08public Sum() {}\uff09\u304c\u81ea\u52d5\u3067\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002<br>\u305d\u306e\u305f\u3081\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u8a18\u8ff0\u306f\u5fc5\u9808\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 id=\"outline__2_2\" class=\"wp-block-heading\">\u5f15\u6570\u3092\u6307\u5b9a\u3059\u308b\uff08\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\uff09<\/h3>\n\n\n\n<p>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306b\u306f\u3001\u901a\u5e38\u306e\u30e1\u30bd\u30c3\u30c9\u3068\u540c\u69d8\u306b\u5f15\u6570\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u524d\u8ff0\u3057\u305f\u3088\u3046\u306b\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3067\u8907\u6570\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u306a\u305f\u3081\u3001\u5f15\u6570\u306e\u6709\u7121\u306b\u3088\u3063\u3066\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u6642\u306e\u52d5\u4f5c\u3092\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3010\u7df4\u7fd2\u3011<\/p>\n\n\n\n<p>\u4e0b\u306e\u67a0\u3067\u5b9f\u969b\u306b\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u6642\u306e\u52d5\u4f5c\u3092\u4f7f\u3044\u5206\u3051\u3066\u307f\u307e\u3057\u3087\u3046\u3002<br>\u203b\u73fe\u5728\u306f\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u6b63\u3057\u304f\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3059\u308c\u3070\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<br>\u3000\u7d9a\u3051\u3066\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<iframe loading=\"lazy\" src=\"https:\/\/paiza.io\/projects\/e\/6NbmopnfenJQ7HlFL4EF6w?theme=twilight\" width=\"100%\" height=\"500\"><\/iframe>\n\n\n\n<p><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-java\" data-lang=\"Java\"><code>public class Main {\n    \n    public static void main(String[] args) {\n        \n        SampleConstructor sampleCS1 = new SampleConstructor();\n        \n        SampleConstructor sampleCS2 = new SampleConstructor(&quot;SampleOverload&quot;);\n\n    }\n}\n\nclass SampleConstructor {  \n    \n    String str = &quot;SampleConstructor&quot;;\n \n    public SampleConstructor() {\n        \n        System.out.println(str);\n    }\n    \n    public SampleConstructor(String changeStr) {\n        \n        str = changeStr;\n        \n        System.out.println(str);\n    }\n}<\/code><\/pre><\/div>\n\n\n\n<p><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>SampleConstructor\nSampleOverload<\/code><\/pre><\/div>\n\n\n\n<p>\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3068\u306f\u3053\u306e\u3088\u3046\u306b\u3001\u5f15\u6570\u306e\u578b\u3084\u6570\u304c\u7570\u306a\u308b\u540c\u540d\u306e\u30e1\u30bd\u30c3\u30c9\u3001 \u307e\u305f\u306f\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u8907\u6570\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3092\u8a00\u3044\u307e\u3059\u3002<br>\u4e0a\u8a18\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306e\u7d50\u679c\u3092\u898b\u308b\u3068\u5206\u304b\u308b\u3088\u3046\u306b\u3001\u540c\u3058\u30e1\u30bd\u30c3\u30c9\u540d\u3067\u3082\u5f15\u6570\u306e\u9055\u3044\u306b\u3088\u3063\u3066\u51e6\u7406\u3092\u5206\u3051\u3089\u308c\u308b\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3067\u8907\u6570\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3067\u3001\u521d\u671f\u5316\u306e\u5185\u5bb9\u3092\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"outline__2_3\" class=\"wp-block-heading\">this\u3092\u4f7f\u7528\u3057\u3066\u5225\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u547c\u3073\u51fa\u3059<\/h3>\n\n\n\n<p>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u8907\u6570\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3060\u3068\u8aac\u660e\u3057\u307e\u3057\u305f\u304c\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u306e\u969b\u306b\u306f\u3044\u305a\u308c\u304b1\u3064\u3057\u304b\u52d5\u4f5c\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<br>\u305f\u3060\u3057\u3001\u300cthis\u300d \u3068\u3044\u3046\u7279\u6b8a\u306a\u5909\u6570\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u5185\u304b\u3089\u5225\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>this\u3068\u306f\u3001\u305d\u306e\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u81ea\u8eab\u3092\u8868\u3059\u53c2\u7167\u5909\u6570\u306e\u3053\u3068\u3092\u8a00\u3044\u307e\u3059\u3002<br>\u81ea\u5206\u306e\u30af\u30e9\u30b9\u306e\u5909\u6570\u3084\u30e1\u30bd\u30c3\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u969b\u306b\u4f7f\u7528\u3059\u308b\u5909\u6570\u3067\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u547c\u3073\u51fa\u3057\u4ee5\u5916\u306b\u3082\u69d8\u3005\u306a\u5834\u9762\u3067\u6d3b\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u5b9f\u969b\u306e\u52d5\u304d\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-java\" data-lang=\"Java\"><code>public class Main {\n    \n    public static void main(String[] args) {\n        \n        SampleConstructor sampleCS1 = new SampleConstructor();\n        \n        SampleConstructor sampleCS2 = new SampleConstructor(&quot;SampleThis&quot;);\n    }\n}\n\nclass SampleConstructor {  \n    \n    String str;\n \n    public SampleConstructor() {\n        \n        this(&quot;SampleConstructor&quot;);\n    }\n    \n    public SampleConstructor(String str) {\n        \n        this.str = str;\n        \n        System.out.println(this.str);\n    }\n}<\/code><\/pre><\/div>\n\n\n\n<p><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>SampleConstructor\nSampleThis<\/code><\/pre><\/div>\n\n\n\n<p>this\u3092\u4f7f\u7528\u3057\u3066\u5225\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u547c\u3073\u51fa\u3059\u969b\u306f\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u540d\u306f\u8a18\u8ff0\u305b\u305a\u306b\u305d\u306e\u307e\u307e this\u306e\u5f8c\u308d\u306b\u5f15\u6570\u306b\u6e21\u3059\u5024\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u4e0a\u8a18\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u3001\u6e21\u3055\u308c\u305f\u5024\u3092\u30d5\u30a3\u30fc\u30eb\u30c9\u5909\u6570\u306b\u4ee3\u5165\u3059\u308b\u969b\u306b\u3001this\u3092\u4f7f\u7528\u3057\u3066\u6307\u5b9a\u3059\u308b\u5909\u6570\u304c\u81ea\u8eab\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u5909\u6570\u3067\u3042\u308b\u3053\u3068\u3092\u660e\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u306e\u5834\u5408\u306f this\u3092\u4f7f\u7528\u3057\u306a\u304f\u3066\u3082\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u307e\u3059\u304c\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u5909\u6570\u3068\u5f15\u6570\u306e\u5909\u6570\u540d\u304c\u540c\u3058\u5834\u5408\u306a\u3069\u306b\u660e\u793a\u7684\u306b\u8a18\u8ff0\u3057\u3066\u304a\u304f\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__3\" class=\"wp-block-heading\">\u7d99\u627f\u3057\u305f\u30af\u30e9\u30b9\u3067super\u3092\u4f7f\u7528\u3059\u308b<\/h2>\n\n\n\n<p>\u5148\u307b\u3069\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u3001\u81ea\u8eab\u306e\u30af\u30e9\u30b9\u5185\u306b\u3042\u308b\u5225\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u547c\u3073\u51fa\u3059\u305f\u3081\u306b this\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u304c\u3001\u30af\u30e9\u30b9\u3092\u7d99\u627f\u3057\u305f\u969b\u306b\u5b50\u30af\u30e9\u30b9\u304b\u3089\u89aa\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7d99\u627f\u3092\u884c\u3063\u305f\u5b50\u30af\u30e9\u30b9\u5185\u3067\u89aa\u30af\u30e9\u30b9\u306e\u5909\u6570\u3084\u30e1\u30bd\u30c3\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u300csuper\u300d \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3010\u7df4\u7fd2\u3011<\/p>\n\n\n\n<p>\u4e0b\u306e\u67a0\u3067\u3001\u300csuper\u300d\u3092\u4f7f\u3063\u3066\u89aa\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u6307\u5b9a\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<br>\u203b\u73fe\u5728\u306f\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u6b63\u3057\u304f\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3059\u308c\u3070\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<br>\u3000\u7d9a\u3051\u3066\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<iframe loading=\"lazy\" src=\"https:\/\/paiza.io\/projects\/e\/7CNrBiNr7iCeT0hwX_I4_Q?theme=twilight\" width=\"100%\" height=\"500\"><\/iframe>\n\n\n\n<p><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-java\" data-lang=\"Java\"><code>public class Main {\n    \n    public static void main(String[] args) {\n        \n        SampleSub sub1 = new SampleSub();\n        \n        SampleSub sub2 = new SampleSub(&quot;subClass&quot;);\n    }\n}\n\nclass SampleConstructor {  \n    \n    String str;\n \n    public SampleConstructor() {\n        \n        this.str = &quot;SampleConstructor&quot;;\n        \n        System.out.println(this.str);\n    }\n    \n    public SampleConstructor(String str) {\n        \n        this.str = str;\n        \n        System.out.println(this.str);\n    }\n}\n\nclass SampleSub extends SampleConstructor {  \n \n    public SampleSub() {\n        \n        super();\n    }\n    \n    public SampleSub(String str) {\n        \n        super(str);\n    }\n}<\/code><\/pre><\/div>\n\n\n\n<p><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>SampleConstructor\nsubClass<\/code><\/pre><\/div>\n\n\n\n<p>\u8a18\u8ff0\u65b9\u6cd5\u306f\u3001this\u3092\u4f7f\u7528\u3059\u308b\u30b1\u30fc\u30b9\u3068\u307b\u3068\u3093\u3069\u540c\u3058\u3067\u3059\u3002<br>\u3053\u306e\u3088\u3046\u306b\u3001super\u3092\u4f7f\u3063\u3066\u89aa\u30af\u30e9\u30b9\u5074\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"outline__4\" class=\"wp-block-heading\">\u30e1\u30bd\u30c3\u30c9\u306e\u547c\u3073\u51fa\u3057\u3067\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u5834\u5408<\/h2>\n\n\n\n<p>\u5192\u982d\u3067\u3082\u8efd\u304f\u89e3\u8aac\u3057\u307e\u3057\u305f\u304c\u3001\u901a\u5e38\u306e\u30e1\u30bd\u30c3\u30c9\u3068\u540c\u69d8\u306b\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u3082\u4f8b\u5916\u3092\u6295\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u8a18\u8ff0\u6642\u306b throws \u3067\u4f8b\u5916\u3092\u6295\u3052\u308b\u3088\u3046\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u5b9f\u884c\u5143\u306e\u30af\u30e9\u30b9\u3067\u4f8b\u5916\u3092\u30ad\u30e3\u30c3\u30c1\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p><strong>\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-java\" data-lang=\"Java\"><code>public class Main {\n    \n    public static void main(String[] args) {\n        \n        try {\n            \n            SampleConstructor sampleCS = new SampleConstructor();\n            \n        } catch(NullPointerException e) {\n            \n            System.out.println(e);\n        }\n    }\n}\n\nclass SampleConstructor {  \n    \n    String str;\n \n    public SampleConstructor() throws NullPointerException {\n        \n        System.out.println(this.str.length());\n    }\n}<\/code><\/pre><\/div>\n\n\n\n<p><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>java.lang.NullPointerException: Cannot invoke &quot;String.length()&quot; because &quot;this.str&quot; is null<\/code><\/pre><\/div>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u3001SampleConstructor\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u6642\u306b\u3001\u610f\u56f3\u7684\u306b NullPointerException\u306e\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u3088\u3046\u8a18\u8ff0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>throws \u3067\u4f8b\u5916\u3092\u6295\u3052\u308b\u3053\u3068\u3092\u5ba3\u8a00\u3057\u3001\u5b9f\u884c\u5143\u306e\u30af\u30e9\u30b9\u3067 try-catch \u6587\u3092\u8a18\u8ff0\u3057\u3066\u4f8b\u5916\u3092\u30ad\u30e3\u30c3\u30c1\u3059\u308b\u3053\u3068\u3067\u3001\u30a8\u30e9\u30fc\u767a\u751f\u6642\u306b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u4f5c\u6210\u3092\u56de\u907f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u901a\u5e38\u306e\u30e1\u30bd\u30c3\u30c9\u3068\u540c\u69d8\u306b\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u5b9f\u884c\u6642\u306b\u3082\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u306f\u5b58\u5728\u3059\u308b\u305f\u3081\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4f8b\u5916\u51e6\u7406\u3092\u8a18\u8ff0\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 id=\"outline__5\" class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u3044\u304b\u304c\u3067\u3057\u305f\u304b\uff1f\u4eca\u56de\u306f\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<br>\u69d8\u3005\u306a\u30b1\u30fc\u30b9\u3067\u6d3b\u7528\u3055\u308c\u308b\u91cd\u8981\u306a\u6a5f\u80fd\u3067\u3059\u306e\u3067\u3001\u305c\u3072\u899a\u3048\u3066\u6d3b\u7528\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n\n\n\n<h2 id=\"outline__6\" class=\"wp-block-heading\">Java\u306e\u52c9\u5f37\u65b9\u6cd5\u306f\uff1f<\/h2>\n\n\n<p>\u66f8\u7c4d\u3084\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3067\u5b66\u7fd2\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u6628\u4eca\u3067\u306f\u3001YouTube\u306a\u3069\u306e\u52d5\u753b\u30b5\u30a4\u30c8\u3084\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u30b5\u30a4\u30c8\u306a\u3069\u3082\u5145\u5b9f\u3057\u3066\u3044\u3066\u591a\u304f\u306e\u60c5\u5831\u304c\u624b\u306b\u5165\u308a\u307e\u3059\u3002<br \/>\u305d\u3057\u3066\u3001\u3088\u308a\u52b9\u7387\u7684\u306b\u77e5\u8b58\u30fb\u30b9\u30ad\u30eb\u3092\u7fd2\u5f97\u3059\u308b\u306b\u306f\u3001\u77e5\u8b58\u3092\u3064\u3051\u306a\u304c\u3089\u5b9f\u969b\u306b\u624b\u3092\u52d5\u304b\u3057\u3066\u307f\u308b\u306a\u3069\u3001\u30a4\u30f3\u30d7\u30c3\u30c8\u3068\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u3092\u7e70\u308a\u8fd4\u3057\u3066\u3044\u304f\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u7279\u306b\u72ec\u5b66\u306e\u5834\u5408\u306f\u3001\u6709\u8b58\u8005\u306b\u8cea\u554f\u304c\u3067\u304d\u305f\u308a\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3092\u3082\u3089\u3048\u308b\u3088\u3046\u306a\u74b0\u5883\u304c\u3042\u308b\u3068\u3001\u7406\u89e3\u5ea6\u304c\u6df1\u307e\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u305f\u3060\u3001Java\u306b\u9650\u3089\u305a\u3001IT\u30b9\u30ad\u30eb\u3092\u8eab\u306b\u3064\u3051\u308b\u969b\u3001\u3069\u3046\u3057\u3066\u3082\u8ab2\u984c\u306b\u3076\u3064\u304b\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u306f\u3042\u308a\u307e\u3059\u3088\u306d\u3002\u7279\u306b\u72ec\u5b66\u3060\u3068\u3001\u308f\u304b\u3089\u306a\u3044\u90e8\u5206\u3092\u30d7\u30ed\u306b\u8cea\u554f\u3067\u304d\u308b\u6a5f\u4f1a\u3092\u78ba\u4fdd\u3057\u306b\u304f\u304f\u3001\u30e2\u30c1\u30d9\u30fc\u30b7\u30e7\u30f3\u304c\u7d9a\u304d\u306b\u304f\u3044\u3068\u3044\u3046\u5074\u9762\u304c\u3042\u308a\u307e\u3059\u3002\u72ec\u5b66\u3067\u30e2\u30c1\u30d9\u30fc\u30b7\u30e7\u30f3\u3092\u7dad\u6301\u3059\u308b\u81ea\u4fe1\u304c\u306a\u3044\u4eba\u306b\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u3068\u3044\u3046\u624b\u3082\u3042\u308a\u307e\u3059\u3002\u8cbb\u7528\u306f\u639b\u304b\u308a\u307e\u3059\u304c\u3001\u305d\u306e\u5206\u30b9\u30ad\u30eb\u3092\u8eab\u306b\u3064\u3051\u3084\u3059\u3044\u3067\u3059\u3002\u3057\u3063\u304b\u308a\u3068\u77e5\u8b58\u30fb\u30b9\u30ad\u30eb\u3092\u7fd2\u5f97\u3057\u3066\u5b9f\u8df5\u306b\u6d3b\u304b\u3057\u305f\u3044\u3068\u3044\u3046\u4eba\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/p>\n<p><span class=\"markerYellow\"><strong>\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u306a\u3089\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u304c\u304a\u3059\u3059\u3081\uff01<\/strong><\/span><\/p>\n\n\n<img decoding=\"async\" src=\"https:\/\/web-img.rensa.jp.net\/rensa\/images\/techmania\/thumbnail\/images\/yuudou.png\" class=\"post-img\">\n\n\n<p>IT\u30b9\u30ad\u30eb\u9700\u8981\u306e\u9ad8\u307e\u308a\u3068\u3068\u3082\u306b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u3082\u5897\u3048\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u3069\u306e\u30b9\u30af\u30fc\u30eb\u306b\u901a\u3046\u3079\u304d\u304b\u8ff7\u3063\u3066\u3057\u307e\u3046\u4eba\u3082\u3044\u308b\u3067\u3057\u3087\u3046\u3002\u305d\u3093\u306a\u65b9\u306b\u306f\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\uff01\u3053\u308c\u307e\u3067\u591a\u304f\u306eIT\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u80b2\u6210\u30fb\u8f29\u51fa\u3057\u3066\u304d\u305f\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u3067\u3082\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u3092\u958b\u8b1b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"bgBox\">\n<p><strong>\uff1c\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u306e\u7279\u5fb4\uff1e<\/strong><br \/><strong>\u30fb\u305f\u3057\u304b\u306a\u80b2\u6210\u5b9f\u7e3e\u3068\u89aa\u8eab\u306a\u6559\u80b2\u3000\uff5e\u30bb\u30ab\u30f3\u30c9\u30ad\u30e3\u30ea\u30a2\u3092\u5168\u529b\u652f\u63f4\uff5e<\/strong><br \/><strong>\u30fb\u8b1b\u5e2b\u304c\u73fe\u5f79\u30a8\u30f3\u30b8\u30cb\u30a2\u3000\uff5e\u201c\u672c\u5f53\u201d\u306e\u958b\u767a\u30ce\u30a6\u30cf\u30a6\u3092\u76f4\u306b\u5b66\u3079\u308b\uff5e<\/strong><br \/><strong>\u30fb\u5c02\u5c5e\u8b1b\u5e2b\u304c\u5b66\u7fd2\u3092\u5fb9\u5e95\u30b5\u30dd\u30fc\u30c8\u3000\uff5e\u300c\u308f\u304b\u3089\u306a\u3044\u300d\u3092\u5fb9\u5e95\u89e3\u6c7a\uff5e<\/strong><br \/><strong>\u30fb\u5b9f\u52d9\u30d9\u30fc\u30b9\u3067\u30b9\u30ad\u30eb\u3092\u7fd2\u5f97\u3000\uff5e\u5b9f\u8df5\u7684\u306a\u51dd\u7e2e\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\uff5e<\/strong><\/p>\n<\/div>\n<p>\u3053\u306e\u3088\u3046\u306a\u7279\u5fb4\u3092\u6301\u3064\u30c6\u30c3\u30af\u30de\u30cb\u30a2\u306fIT\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30b9\u30bf\u30fc\u30c8\u30e9\u30a4\u30f3\u3068\u3057\u3066\u6700\u9069\u3067\u3059\u3002<br \/>\u8a71\u3092\u805e\u304d\u305f\u3044\u30fb\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u3068\u3044\u3046\u65b9\u306f<a href=\"https:\/\/techmania.jp\/lp\/2\" target=\"_blank\" rel=\"noopener\">\u3053\u3061\u3089<\/a>\u304b\u3089\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>","protected":false},"excerpt":{"rendered":"Java\u306b\u306f\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u547c\u3070\u308c\u308b\u7279\u6b8a\u306a\u5ba3\u8a00\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u30d5\u30a3\u30fc\u30eb\u30c9\u5909\u6570\u306e\u521d\u671f\u5316\u306a\u3069\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u308b\u6a5f\u80fd\u3067\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u4f7f\u3063\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u521d\u671f\u72b6\u614b\u3092\u4fdd\u8a3c\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u30af\u30e9\u30b9\u3092\u6271\u3044\u3084\u3059\u304f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u4eca\u56de\u306f\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u5177\u4f53\u7684\u306a\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3092\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 Java\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u306f\uff1f \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u306f\u3001\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3059\u308b\u969b\u306b\u81ea\u52d5\u3067\u5b9f\u884c\u3055 [&hellip;]","protected":false},"author":11,"featured_media":9547,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/web-img.rensa.jp.net\/rensa\/images\/techmania\/thumbnail\/images\/java-constructor.png","fifu_image_alt":"\u3010Java\u5165\u9580\u3011\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u4f7f\u3044\u65b9\uff08\u30af\u30e9\u30b9\/\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\uff09","footnotes":""},"categories":[15],"tags":[],"class_list":["post-9543","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-programming"],"_links":{"self":[{"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/posts\/9543","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/comments?post=9543"}],"version-history":[{"count":6,"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/posts\/9543\/revisions"}],"predecessor-version":[{"id":10141,"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/posts\/9543\/revisions\/10141"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/media\/9547"}],"wp:attachment":[{"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/media?parent=9543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/categories?post=9543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techmania.jp\/blog\/wp-json\/wp\/v2\/tags?post=9543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}