{"published":"2022-11-10 20:47:46","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcheckstyle-java.hatenablog.com%2Fentry%2F2022%2F11%2F10%2F204746\" title=\"EqualsAvoidNull - Checkstyle Java\u30eb\u30fc\u30eb\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","url":"https://checkstyle-java.hatenablog.com/entry/2022/11/10/204746","width":"100%","version":"1.0","blog_title":"Checkstyle Java\u30eb\u30fc\u30eb","image_url":null,"categories":["Coding"],"blog_url":"https://checkstyle-java.hatenablog.com/","description":"CheckStyle\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 \u691c\u8a3c\u74b0\u5883 Checkstyle\u30d0\u30fc\u30b8\u30e7\u30f3\uff1a10.3.3 Java\u30d0\u30fc\u30b8\u30e7\u30f3\uff1a17 \u30c1\u30a7\u30c3\u30af\u6982\u8981 \u30c1\u30a7\u30c3\u30af\u8ffd\u52a0\u30d0\u30fc\u30b8\u30e7\u30f3 Checkstyle 5.0 String\u306eequals()\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\u6642\u306bnull\u3067\u306a\u3044\u5024\u304c\u547c\u3073\u5143\u3068\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002 \u3042\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u305fString\u30ea\u30c6\u30e9\u30eb\uff08someString.equals(otherString = \"text\")\u306a\u3069\uff09\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002 String \u30ea\u30c6\u30e9\u30eb\u306b\u5bfe\u3057\u3066equals()\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3068\u3001NullPointerException \u306e\u53ef\u80fd\u6027\u3092\u56de\u907f\u3067\u304d\u308b\u3002 \u307e\u305f\u3001\u7b49\u5024\u6bd4\u8f03\u306e\u2026","height":"190","author_name":"snoopeanutss","provider_url":"https://hatena.blog","title":"EqualsAvoidNull","type":"rich","author_url":"https://blog.hatena.ne.jp/snoopeanutss/"}