{"height":"190","url":"https://myenigma.hatenablog.com/entry/2021/12/19/224654","blog_title":"MyEnigma","type":"rich","description":"Effective Java \u7b2c3\u7248 \u76ee\u6b21 \u76ee\u6b21 \u306f\u3058\u3081\u306b \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u4ee3\u308f\u308a\u306bstatic\u30d5\u30a1\u30af\u30c8\u30ea\u30e1\u30bd\u30c3\u30c9\u3092\u691c\u8a0e\u3059\u308b\u3002 \u3042\u308b\u30af\u30e9\u30b9\u306e\u5f15\u6570\u304c\u591a\u304b\u3063\u305f\u308a\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u8a2d\u5b9a\u306a\u3069\u304c\u3042\u308b\u5834\u5408\u306f\u3001builder\u30d1\u30bf\u30fc\u30f3\u3092\u4f7f\u3046 \u5168\u3066\u306e\u95a2\u6570\u306e\u5f15\u6570\u306f\u30c1\u30a7\u30c3\u30af\u3092\u3057\u3001public\u306a\u95a2\u6570\u306fException \u3092\u6295\u3052\u3001private\u306a\u3082\u306e\u306fAssertion\u3092\u4f7f\u3046\u3002 \u7d76\u5bfe\u306b\u6765\u306a\u3044\u6240\u3067\u306f\u3001AsserttionError\u3092\u6295\u3052\u308b null\u30c1\u30a7\u30c3\u30af\u306b\u306fObjects.requireNonNull\u3092\u4f7f\u3046 Date\u306f\u4f7f\u308f\u306a\u3044\u3088\u3046\u306b\u3059\u308b \u53c2\u7167\u578b\u3092\u5f15\u6570\u3067\u53d7\u3051\u53d6\u308b\u6642\u306f\u9632\u5fa1\u7684\u306b\u30b3\u30d4\u30fc\u3057\u3066\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u3059\u308b \u30af\u30e9\u30b9\u304cpublic\u3067\u306a\u3051\u2026","width":"100%","image_url":"https://images-fe.ssl-images-amazon.com/images/I/514iD6-p+dL._SL160_.jpg","title":"Effective Java\u3092\u8aad\u3093\u3067\u5fc3\u306b\u97ff\u3044\u305f\u3053\u3068","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmyenigma.hatenablog.com%2Fentry%2F2021%2F12%2F19%2F224654\" title=\"Effective Java\u3092\u8aad\u3093\u3067\u5fc3\u306b\u97ff\u3044\u305f\u3053\u3068 - MyEnigma\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2021-12-19 22:46:54","provider_name":"Hatena Blog","version":"1.0","author_name":"meison_amsl","categories":[],"blog_url":"https://myenigma.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/meison_amsl/"}