{"provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/Naotsugu/","url":"https://blog1.mammb.com/entry/2025/06/25/191917","blog_title":"A Memorandum","blog_url":"https://blog1.mammb.com/","categories":[],"image_url":null,"author_name":"Naotsugu","width":"100%","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog1.mammb.com%2Fentry%2F2025%2F06%2F25%2F191917\" title=\"Java \u306b\u304a\u3051\u308b\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u95a2\u9023\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u6700\u8fd1\u306e\u5909\u9077\u306b\u3064\u3044\u3066 - A Memorandum\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","version":"1.0","height":"190","published":"2025-06-25 19:19:17","title":"Java \u306b\u304a\u3051\u308b\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u95a2\u9023\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u6700\u8fd1\u306e\u5909\u9077\u306b\u3064\u3044\u3066","description":"\u306f\u3058\u3081\u306b JDK16\u306b\u304a\u3051\u308b\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u95a2\u9023\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30d1\u30c6\u30a3 JDK17\u306b\u304a\u3051\u308b\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u95a2\u9023\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30d1\u30c6\u30a3 JDK18 UTF-8 by Default JDK19 \u306b\u304a\u3051\u308b\u30b3\u30f3\u30bd\u30fc\u30ebI/O\u306e\u6587\u5b57\u30b3\u30fc\u30c9 \u307e\u3068\u3081 \u306f\u3058\u3081\u306b JDK 18 \u306e\u3001JEP 400: UTF-8 by Default \u524d\u5f8c\u3067\u3001\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u95a2\u9023\u306e\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u3064\u3089\u3064\u3089\u3068\u5909\u66f4\u304c\u3042\u308a\u3001\u6df7\u4e71\u3059\u308b\u306e\u3067\u3001\u3053\u3053\u306b\u307e\u3068\u3081\u3066\u304a\u304d\u307e\u3059\u3002 JDK 19 \u4ee5\u964d\u306e\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u95a2\u9023\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001\u306a\u3093\u30687\u500b\u3082\u5b58\u5728\u3057\u307e\u3059\u3002 sun.jnu.encoding native.encoding file.encodin\u2026"}