{"image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmtoyoshi.hateblo.jp%2Fentry%2F20080314%2F1205497005\" title=\"\u3061\u3087\u3063\u3068\u52d8\u9055\u3044\u3057\u3066\u305f - mtoyoshi\u958b\u767a\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"mtoyoshi","height":"190","type":"rich","provider_url":"https://hatena.blog","title":"\u3061\u3087\u3063\u3068\u52d8\u9055\u3044\u3057\u3066\u305f","description":"List\u3084Set\u306econtains\u30e1\u30bd\u30c3\u30c9\u306f\u4fbf\u5229\u306a\u306e\u3067\u3088\u304f\u4f7f\u3044\u307e\u3059\u3002\u7279\u306bSet\u306e\u65b9\u304c\u9ad8\u901f\u306a\u306e\u3067\u597d\u3093\u3067\u4f7f\u3044\u307e\u3059\u3002 \u901a\u5e38\u306fSet\u306e\u4e2d\u306bA\u304c\u542b\u307e\u308c\u308b\u304b\u3001\u3068\u3044\u3046\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3060\u3051\u306a\u306e\u3067\u3059\u304c\u3001\u4eca\u56de\u306fSet\u306e\u4e2d\u306bA\u3082\u3057\u304f\u306fB\u304c\u542b\u307e\u308c\u308b\u304b\u3001\u3068\u3044\u3046\u3053\u3068\u3092\u8abf\u67fb\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u304f\u306a\u308a\u307e\u3057\u305f\u3002\u3053\u3093\u306a\u6642\u306fcontainsAll\u3092\u4f7f\u3046\u3002\u5f15\u6570\u306fCollection\u3002 \u30fb\u30fb\u30fb\u3068\u601d\u3063\u3066\u305f\u3089\u3002\u3053\u308c\u3001Set\u306e\u4e2d\u306bA\u3082B\u3082\u542b\u3093\u3067\u3044\u308b\u6642\u306btrue\u3092\u8fd4\u3059\u3093\u3067\u3059\u3002\u3044\u3084\u30fc\u8a00\u308f\u308c\u3066\u307f\u308c\u3070\u5f53\u305f\u308a\u524d\u306a\u3093\u3060\u3051\u3069\u3002\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u3067\u6307\u6458\u3055\u308c\u3066\u6c17\u3065\u3044\u305f\u3002 \u3058\u3083\u3001\u300cSet\u306e\u306a\u304b\u306bA\u3082\u3057\u304f\u306fB\u304c\u542b\u307e\u308c\u308b\u304b\u300d\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\uff1f \u6b8b\u5ff5\u306a\u304c\u3089\u7121\u3044\u307f\u305f\u3044\u3067\u3059\u3002\u3053\u3093\u306a\u6642\u2026","width":"100%","blog_url":"https://mtoyoshi.hateblo.jp/","published":"2008-03-14 21:16:45","categories":["Java"],"blog_title":"mtoyoshi\u958b\u767a\u30e1\u30e2","version":"1.0","provider_name":"Hatena Blog","url":"https://mtoyoshi.hateblo.jp/entry/20080314/1205497005","author_url":"https://blog.hatena.ne.jp/mtoyoshi/"}