{"image_url":null,"type":"rich","description":"Scala\u306eOption\u307f\u305f\u3044\u306a\u3084\u3064Java\u306b\u306a\u3044\u304b\u306a\u30fc\u306a\u3093\u3066\u601d\u3063\u3066\u305f\u3089\u6700\u8fd1\u306eGuava\u306b\u3042\u308b\u3093\u3067\u3059\u306d\uff01 http://code.google.com/p/guava-libraries/wiki/UsingAndAvoidingNullExplained#Optional\u3061\u3087\u3063\u3068\u52d5\u304b\u3057\u3066\u307f\u3088\u3046\u3002Optional\u30af\u30e9\u30b9\u3063\u3066\u306e\u304c\u305d\u308c\u3067\u3059\u3002 Guava\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u300111.0\u3067\u3059\u3002Optional\u306b\u306f\u307e\u3060Beta\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u304c\u3064\u3044\u3066\u307e\u3059\u3002Optional\u306f\u5024\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3057\u3001\u306a\u3044\u304b\u3082\u3057\u308c\u306a\u3044\u3001\u3068\u3044\u3046\u72b6\u614b\u3092\u8868\u3057\u307e\u3059\u3002Optional\u3092\u751f\u6210\u3059\u308b\u6642\u306f\u3001Optional\u306b\u5bfe\u3057\u3066\u5024\u3092\u683c\u7d0d\u3057\u3066\u5024\u304c\u5b58\u5728\u3059\u2026","url":"https://blog.bati11.info/entry/20120218/1329576603","author_name":"bati11","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.bati11.info%2Fentry%2F20120218%2F1329576603\" title=\"Guava\u306eOptional - bati11 \u306e \u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","width":"100%","author_url":"https://blog.hatena.ne.jp/bati11/","title":"Guava\u306eOptional","published":"2012-02-18 23:50:03","blog_title":"bati11 \u306e \u65e5\u8a18","blog_url":"https://blog.bati11.info/","provider_name":"Hatena Blog","categories":["Java"],"version":"1.0","provider_url":"https://hatena.blog"}