{"id":44,"title":"java\u4f4d\u8fd0\u7b97","good":0,"bad":0,"hit":2368,"created_at":"2014-04-17 14:43:52","content":"<p>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; \/*\u4f4d\u8fd0\u7b97 \u8f6c\u4e3a2\u8fdb\u5236,\u628a0\u5f53\u505afalse,1\u5f53\u505atrue,\u8fdb\u884c\u903b\u8f91\u8fd0\u7b97<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&amp;\u4e0e:\u4e0e\u53d6\u6570\u76f8\u4e0e,\u53ef\u4ee5\u53d6\u51fa\u5c0f\u4e8e\u7b49\u4e8e\u6b64\u6570\u7684\u503c<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;|\u6216:<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;^\u5f02\u6216:\u4e00\u4e2a\u6570\u5f02\u6216\u540c\u4e00\u4e2a\u6570\u4e24\u6b21,\u7ed3\u679c\u8fd8\u662f\u8fd9\u4e2a\u6570,\u53ef\u7528\u4e8e\u52a0\u5bc6<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;~\u53d6\u53cd:<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&lt;&lt;\u5de6\u79fb:(\u7b26\u53f7\u4f4d\u4e0d\u52a8)\u5de6\u79fbN\u4f4d\u76f8\u5f53\u4e8e\u539f\u6570\u4e58\u4ee52\u7684N\u6b21\u65b9<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&gt;&gt;\u53f3\u79fb:(\u7b26\u53f7\u4f4d\u4e0d\u52a8)\u53f3\u79fbN\u4f4d\u76f8\u5f53\u4e8e\u539f\u6570\u9664\u4ee52\u7684N\u6b21\u65b9\u53d6\u6574<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&gt;&gt;&gt;\u65e0\u7b26\u53f7\u53f3\u79fb:(\u7b26\u53f7\u4f4d\u8ddf\u7740\u79fb\u52a8)\u6700\u9ad8\u4f4d\u88650<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;*\/<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(6&amp;3);\/\/2<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(6|3);\/\/7<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(6^3^3);\/\/6<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(~6);\/\/-7<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(-128&gt;&gt;1);\/\/-64<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(-128&gt;&gt;&gt;1);\/\/2147483584<\/p>"}