{"blog_url":"https://ozaki25.hatenadiary.jp/","blog_title":"ozaki25\u2019s diary","published":"2024-10-27 17:33:33","provider_name":"Hatena Blog","description":"2024/10/27 https://ccc2024fall.java-users.jp/ https://jjug.doorkeeper.jp/events/177443 Java \u30b8\u30a7\u30cd\u30ea\u30af\u30b9\u5165\u9580 2024 \u306a\u304e\u305b\u3086\u3046\u304d\u3055\u3093 \u30b8\u30a7\u30cd\u30ea\u30af\u30b9 Java5\u304b\u3089\u3042\u308b(2004) \u6614\u306flist\u304b\u3089\u53d6\u5f97\u3059\u308b\u3068\u304d\u306b\u30ad\u30e3\u30b9\u30c8\u5fc5\u9808\u3060\u3063\u305f ClassCastException\u304c\u5b9f\u884c\u6642\u306b\u8d77\u304d\u3066\u3044\u305f \u578b\u5909\u6570 <T> \u30e1\u30bd\u30c3\u30c9\u306eIN\u3068OUT\u306e\u578b\u306e\u95a2\u4fc2\u6027\u3092\u793a\u3057\u305f\u3082\u306e <> \u306e\u7a2e\u985e \u578b\u5909\u6570\u306e\u5ba3\u8a00 T\u3092\u53d7\u3051\u53d6\u308b\u3088\u3063\u3066\u3044\u3046\u5ba3\u8a00 \u578b\u5909\u6570\u306e\u30d0\u30a4\u30f3\u30c9 T\u306b\u3053\u308c\u3092\u5165\u308c\u308b\u3088 \u30d1\u30e9\u30e1\u30fc\u30bf\u5316\u3055\u308c\u305f\u578b \u5909\u6570\u5ba3\u8a00\u3059\u308b\u3068\u304d\u306b\u5165\u308c\u308b\u578b \u30ef\u30a4\u30eb\u30c9\u2026","url":"https://ozaki25.hatenadiary.jp/entry/2024/10/27/173333","provider_url":"https://hatena.blog","width":"100%","height":"190","version":"1.0","title":"\u300cJJUG CCC 2024 Fall\u300d\u306b\u53c2\u52a0\u3057\u3066\u304d\u307e\u3057\u305f","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fozaki25.hatenadiary.jp%2Fentry%2F2024%2F10%2F27%2F173333\" title=\"\u300cJJUG CCC 2024 Fall\u300d\u306b\u53c2\u52a0\u3057\u3066\u304d\u307e\u3057\u305f - ozaki25\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"author_name":"ozaki25rn","categories":["\u52c9\u5f37\u4f1a\u30e1\u30e2"],"author_url":"https://blog.hatena.ne.jp/ozaki25rn/","type":"rich"}