{"author_url":"https://blog.hatena.ne.jp/Naotsugu/","title":"Java \u306b\u304a\u3051\u308b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u30d1\u30bf\u30fc\u30f3\u306b\u3064\u3044\u3066","image_url":null,"blog_title":"A Memorandum","blog_url":"https://blog1.mammb.com/","provider_name":"Hatena Blog","published":"2025-09-23 22:33:15","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog1.mammb.com%2Fentry%2F2025%2F09%2F23%2F223315\" title=\"Java \u306b\u304a\u3051\u308b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u30d1\u30bf\u30fc\u30f3\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>","categories":[],"type":"rich","description":"\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u8ab2\u984c Telescoping Constructor Static Factory Method Builder Wither JEP 468: Derived Record Creation (Preview) \u540d\u524d\u4ed8\u304d\u5f15\u6570 \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u8ab2\u984c \u591a\u6570\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u6301\u3064\u30af\u30e9\u30b9\u3092\u8003\u3048\u307e\u3059\u3002 \u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u3088\u3046\u306a Circle \u30af\u30e9\u30b9\u3092\u8003\u3048\u307e\u3059\u3002 public class Circle { private final double x, y; private final double radius; private final double lineWidth; private f\u2026","author_name":"Naotsugu","provider_url":"https://hatena.blog","width":"100%","height":"190","version":"1.0","url":"https://blog1.mammb.com/entry/2025/09/23/223315"}