{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdk521123.hatenablog.com%2Fentry%2F2016%2F10%2F04%2F233416\" title=\"\u3010Java\u3011\u30bb\u30ad\u30e5\u30a2\u306a\u30e9\u30f3\u30c0\u30e0\u6587\u5b57\u5217\u751f\u6210\u3092\u8003\u3048\u308b - \u30d7\u30ed\u30b0\u30e9\u30e0 \u306e\u8d85\u500b\u4eba\u7684\u306a\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>","categories":["Java"],"published":"2016-10-04 23:34:16","version":"1.0","description":"\u25a0 \u306f\u3058\u3081\u306b \u30bb\u30ad\u30e5\u30a2\u306a\u30e9\u30f3\u30c0\u30e0\u6587\u5b57\u5217\u751f\u6210\u3092\u8003\u3048\u308b => \u901a\u5e38\u3001java.util.Random\u3092\u5229\u7528\u3059\u308b\u3068\u601d\u3046\u304c\u3001\u504f\u308a\u3084\u518d\u73fe\u6027\u304c\u3042\u308b\u305d\u3046\u306a\u306e\u3067 \u30bb\u30ad\u30e5\u30a2\u306a\u30e9\u30f3\u30c0\u30e0\u6587\u5b57\u5217\u751f\u6210\u3059\u308b\u3053\u3068\u3092\u8003\u3048\u308b \u76ee\u6b21 \u3010\uff10\u3011\u5b9f\u88c5\u6848 \u3010\uff11\u3011java.util.UUID.randomUUID()\u3092\u4f7f\u7528\u3059\u308b \u3010\uff12\u3011java.security.SecureRandom\u3092\u4f7f\u7528\u3059\u308b \u3010\uff13\u3011Commons\u3092\u4f7f\u7528\u3059\u308b \u3010\uff10\u3011\u5b9f\u88c5\u6848 \u3010\uff11\u3011java.util.UUID.randomUUID()\u3092\u4f7f\u7528\u3059\u308b => \u4e00\u610f\u306e\u30e9\u30f3\u30c0\u30e0\u3092\u751f\u6210\u3059\u308b \u3010\uff12\u3011java.security.SecureRandom\u3092\u4f7f\u7528\u3059\u308b => \u5b89\u5168\u306a\u30c8\u30fc\u30af\u30f3\u3092\u751f\u6210\u2026","author_url":"https://blog.hatena.ne.jp/dk521123/","provider_url":"https://hatena.blog","height":"190","blog_title":"\u30d7\u30ed\u30b0\u30e9\u30e0 \u306e\u8d85\u500b\u4eba\u7684\u306a\u30e1\u30e2","image_url":null,"url":"https://dk521123.hatenablog.com/entry/2016/10/04/233416","type":"rich","width":"100%","blog_url":"https://dk521123.hatenablog.com/","author_name":"dk521123","provider_name":"Hatena Blog","title":"\u3010Java\u3011\u30bb\u30ad\u30e5\u30a2\u306a\u30e9\u30f3\u30c0\u30e0\u6587\u5b57\u5217\u751f\u6210\u3092\u8003\u3048\u308b"}