{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.labol.co.jp%2Fentry%2Fusing-optionals-for-null-safety-in-java\" title=\"Java\u306eOptional\u3068\u304b\u3092\u4f7f\u3063\u305f\u3089Null Safe\u306a\u30b3\u30fc\u30c9\u306b\u3067\u304d\u308b\u3088 - \u3089\u307c\u308b\u3066\u3063\u304f\u3002\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://blog.labol.co.jp/","url":"https://blog.labol.co.jp/entry/using-optionals-for-null-safety-in-java","height":"190","author_name":"genenakagaki","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/genenakagaki/","width":"100%","description":"\u30b3\u30fc\u30c9\u66f8\u3051\u305f\u3042\u3068\u306b\u5b9f\u884c\u3057\u3066\u307f\u305f\u3089NullPointerException\u304c\u8d77\u304d\u308b\u306e\u3044\u3084\u3067\u3059\u3088\u306d\u3002\u306a\u306e\u3067\u4eca\u56de\u306fNull Safe\u306a\u30b3\u30fc\u30c9\u306b\u3059\u308b\u65b9\u6cd5\u3092\u66f8\u304d\u307e\u3059\u3002","type":"rich","provider_name":"Hatena Blog","published":"2023-10-02 17:51:32","title":"Java\u306eOptional\u3068\u304b\u3092\u4f7f\u3063\u305f\u3089Null Safe\u306a\u30b3\u30fc\u30c9\u306b\u3067\u304d\u308b\u3088","blog_title":"\u3089\u307c\u308b\u3066\u3063\u304f\u3002","version":"1.0","image_url":null,"categories":[]}