{"url":"https://kagasu.hatenablog.com/entry/2016/12/25/231819","provider_name":"Hatena Blog","categories":["Java"],"type":"rich","blog_url":"https://kagasu.hatenablog.com/","description":"String uuid = UUID.randomUUID().toString(); // uuid = \"9115d2c8-a3f4-4c4e-9c44-e65b6f483f90\" long seed = Long.valueOf(uuid.substring(0, 8), 16); Random random = new Random(seed); // 0\uff5e9999 \u306e\u4e71\u6570 Integer number1 = random.nextInt(10000); // 1\uff5e10000 \u306e\u4e71\u6570 Integer number2 = random.nextInt(10000) + 1;","published":"2016-12-25 23:18:19","height":"190","title":"Java UUID\u3092\u30b7\u30fc\u30c9\u306b\u3057\u3066\u4e71\u6570\u3092\u767a\u751f\u3055\u305b\u308b","width":"100%","author_url":"https://blog.hatena.ne.jp/kagasu/","version":"1.0","image_url":null,"blog_title":"\u5099\u5fd8\u9332","author_name":"kagasu","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkagasu.hatenablog.com%2Fentry%2F2016%2F12%2F25%2F231819\" title=\"Java UUID\u3092\u30b7\u30fc\u30c9\u306b\u3057\u3066\u4e71\u6570\u3092\u767a\u751f\u3055\u305b\u308b - \u5099\u5fd8\u9332\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}