{"blog_url":"https://tech-blog.rakus.co.jp/","height":"190","provider_url":"https://hatena.blog","author_name":"smdr9p","categories":["Java"],"width":"100%","blog_title":"RAKUS Developers Blog | \u30e9\u30af\u30b9 \u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftech-blog.rakus.co.jp%2Fentry%2F20230419%2Fjava\" title=\"GoF\u306e\u6b21\u306b\u899a\u3048\u305f\u3044\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3 \uff5eNull Object\u30d1\u30bf\u30fc\u30f3\uff5e - RAKUS Developers Blog | \u30e9\u30af\u30b9 \u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","title":"GoF\u306e\u6b21\u306b\u899a\u3048\u305f\u3044\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3 \uff5eNull Object\u30d1\u30bf\u30fc\u30f3\uff5e","author_url":"https://blog.hatena.ne.jp/smdr9p/","published":"2023-04-19 13:06:24","provider_name":"Hatena Blog","url":"https://tech-blog.rakus.co.jp/entry/20230419/java","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/s/smdr9p/20230417/20230417130502.png","type":"rich","description":"\u697d\u697d\u7cbe\u7b97\u958b\u767a\u90e8\u306e id:smdr9p \u3067\u3059\u3002\u4e3b\u306b Java \u3092\u4f7f\u3063\u305f\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u3092\u62c5\u5f53\u3057\u3066\u3044\u307e\u3059\u3002 \u524d\u7f6e\u304d GoF \u306e\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u306f\u3054\u5b58\u77e5\u3067\u3057\u3087\u3046\u304b\u3002 \u3054\u5b58\u77e5\u306e\u65b9\u3082\u591a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u304c\u7c21\u5358\u306b\u8aac\u660e\u3059\u308b\u3068\u3001GoF \u306e\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u3068\u306f Erich Gamma, Richard Helm, Ralph Johnson, John Vlissides \u306e4\u4eba\u3001\u901a\u79f0 Gang of Four\u3001\u7565\u79f0 GoF \u306b\u3088\u3063\u3066\u66f8\u304b\u308c\u305f\u66f8\u7c4d\u3001Design Patterns: Elements of Reusable Object-Oriented Software\uff08\u90a6\u984c\uff1a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u306b\u304a\u3051\u308b\u518d\u5229\u7528\u306e\u305f\u3081\u306e\u30c7\u2026"}