{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fplugout.hateblo.jp%2Fentry%2F2020%2F09%2F28%2F095350\" title=\"\u3010Java\u3011[java.util.Optional]\u306b\u304a\u3051\u308b\u533f\u540d\u30af\u30e9\u30b9\u306e\u6271\u3044\u306b\u6c17\u3092\u3064\u3051\u3088\u3046 - Unknown Region\" 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","provider_name":"Hatena Blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/P/PlugOut/20190627/20190627004436.jpg","height":"190","width":"100%","author_name":"PlugOut","type":"rich","url":"https://plugout.hateblo.jp/entry/2020/09/28/095350","title":"\u3010Java\u3011[java.util.Optional]\u306b\u304a\u3051\u308b\u533f\u540d\u30af\u30e9\u30b9\u306e\u6271\u3044\u306b\u6c17\u3092\u3064\u3051\u3088\u3046","version":"1.0","blog_url":"https://plugout.hateblo.jp/","description":"Java\u306e\u8a71\u3002 \u203b Java8\u53ca\u3073Java15\u306b\u3066\u4e8b\u8c61\u3092\u78ba\u8a8d\u3002 \u4ee5\u4e0b\u306e\u30d7\u30ed\u30b0\u30e9\u30e0(Test1.java)\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u3002 \u4f8b: Test1.java import java.util.Optional; public class Test1 { public static void main(String... args) { Object object = Optional.of(new Object(){}) .orElse(new Object()); } } \u4f8b: Test1.java\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc # javac Test.java Test.java:6: err\u2026","author_url":"https://blog.hatena.ne.jp/PlugOut/","published":"2020-09-28 09:53:50","categories":["Java"],"blog_title":"Unknown Region"}