{"title":"Java\u3067SIGN\u95a2\u6570","blog_title":"No Programming, No Life","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnpnl.hatenablog.jp%2Fentry%2F20080608%2F1212930117\" title=\"Java\u3067SIGN\u95a2\u6570 - No Programming, No Life\" 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","image_url":null,"provider_name":"Hatena Blog","version":"1.0","type":"rich","author_url":"https://blog.hatena.ne.jp/fumokmm/","categories":["Java"],"published":"2008-06-08 22:01:57","width":"100%","provider_url":"https://hatena.blog","description":"SQL\u3084EXCEL\u306a\u3069\u3067\u3001 \u6570\u5024\u306e\u7b26\u53f7(\u30d7\u30e9\u30b9(+)\u306a\u306e\u304b\u30de\u30a4\u30ca\u30b9(-)\u306a\u306e\u304b\u305d\u308c\u3068\u30820\u306a\u306e\u304b) \u3092\u53d6\u5f97\u3059\u308b\u95a2\u6570\u3068\u3057\u3066SIGN\u95a2\u6570\u304c\u3042\u308a\u307e\u3059\u304c\u3001Java\u3067\u306fjava.lang Math\u30af\u30e9\u30b9\u3042\u305f\u308a\u3042\u308b\u304b\u306a\u3041\u3068\u601d\u3063\u305f\u3089 \u898b\u5f53\u305f\u308a\u307e\u305b\u3093\u3002\u4ee3\u66ff\u3068\u3057\u3066\u3001java.math.BigDecimal\u3084java.math.BigInteger\u306e #signum() \u3092\u4f7f\u3046\u3053\u3068\u3067\u306a\u3093\u3068\u304b\u306a\u308b\u3002 BigInteger.valueOf(3).signum(); // => 1 BigInteger.valueOf(0).signum(); // => 0 BigInteger.valueOf(-3).signum(\u2026","blog_url":"https://npnl.hatenablog.jp/","author_name":"fumokmm","url":"https://npnl.hatenablog.jp/entry/20080608/1212930117"}