{"blog_url":"https://hk-it.hatenablog.com/","categories":["\u30c6\u30c3\u30af"],"version":"1.0","provider_url":"https://hatena.blog","url":"https://hk-it.hatenablog.com/entry/2026/05/31/214015","provider_name":"Hatena Blog","height":"190","type":"rich","author_url":"https://blog.hatena.ne.jp/hk_it/","description":"\u306f\u3058\u3081\u306b \u5148\u65e5\u3001JJUG CCC 2026 Spring \u306b\u3066\u300cEnum \u5fb9\u5e95\u5165\u9580\u300d\u3068\u3044\u3046\u30bf\u30a4\u30c8\u30eb\u3067\u767b\u58c7\u3057\u307e\u3057\u305f\u3002 \u30b9\u30e9\u30a4\u30c9\u3068\u5f53\u65e5\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306f\u3053\u3061\u3089\u304b\u3089\u53c2\u7167\u3067\u304d\u307e\u3059\u3002 \u30b9\u30e9\u30a4\u30c9/\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\uff08GitHub\uff09 github.com \u30b9\u30e9\u30a4\u30c9 www.docswell.com \u767b\u58c7\u5185\u3067\u306f\u3001Enum\u304cextends Enum<T> \u304c\u81ea\u52d5\u7684\u306b\u4ed8\u4e0e\u3055\u308c\u308b\u3053\u3068\u306b\u306f\u89e6\u308c\u307e\u3057\u305f\u304c\u3001\u8a73\u7d30\u3068\u3057\u3066\u306f\u300cEnum<E extends Enum<E>>\u300d\u3068\u306a\u308a\u307e\u3059\u3002 \u3053\u306e\u578b\u306b\u3064\u3044\u3066\u306e\u8aac\u660e\u306f\u6642\u9593\u306e\u90fd\u5408\u3001\u305d\u3057\u3066\u4f55\u3088\u308a\u79c1\u306e\u7406\u89e3\u304c\u53ca\u3093\u3067\u3044\u306a\u3044\u3068\u3053\u308d\u3082\u3042\u308a\u89e3\u8aac\u3092\u5272\u611b\u3057\u307e\u3057\u305f\u3002\u672c\u8a18\u4e8b\u306f\u305d\u306e\u88dc\u8db3\u3068\u3057\u3066\u3001\u7591\u554f\u3092\u6301\u3063\u305f\u65b9\u5411\u3051\u306b\u8a73\u2026","width":"100%","published":"2026-05-31 21:40:15","image_url":null,"title":"Java\u306eEnum\u306b\u304a\u3051\u308b\u518d\u5e30\u7684\u30b8\u30a7\u30cd\u30ea\u30af\u30b9 `Enum<E extends Enum<E>>` \u306e\u5b58\u5728\u7406\u7531","blog_title":"\u4e16\u8ff7\u8a00\u30e9\u30dc\u306e\u4e16\u8ff7\u8a00","author_name":"hk_it","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhk-it.hatenablog.com%2Fentry%2F2026%2F05%2F31%2F214015\" title=\"Java\u306eEnum\u306b\u304a\u3051\u308b\u518d\u5e30\u7684\u30b8\u30a7\u30cd\u30ea\u30af\u30b9 `Enum&lt;E extends Enum&lt;E&gt;&gt;` \u306e\u5b58\u5728\u7406\u7531 - \u4e16\u8ff7\u8a00\u30e9\u30dc\u306e\u4e16\u8ff7\u8a00\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}