{"id":118,"title":"java\u4e2d\u7684\u8865\u7801\u8fd0\u7b97","good":0,"bad":0,"hit":2598,"created_at":"2014-12-02 17:16:47","content":"<p>public class Test2_8 {<br\/>&nbsp;&nbsp; &nbsp;\/* \u8865\u7801\u8fd0\u7b97<br\/>&nbsp;&nbsp; &nbsp; * \u5728\u8ba1\u7b97\u673a\u4e2d\uff0c\u6570\u503c\u4e00\u7387\u91c7\u7528\u8865\u7801\u6765\u8fd0\u7b97\uff0c\u5982\uff1a5-3\u5b9e\u4f8b\u4e0a\u662f5+(-3);<br\/>&nbsp;&nbsp; &nbsp; * \u6b63\u6570\u4e0e\u8d1f\u6570\u7684\u5173\u7cfb\uff1a\u53d6\u53cd\u518d\u52a01<br\/>&nbsp;&nbsp; &nbsp; * *\/<br\/>&nbsp;&nbsp; &nbsp;public static void main(String args[]){<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;int five=5;<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;int three=-3;\/\/\u4ece\u8f93\u51fa\u7ed3\u679c\u6765\u770b\u8d1f\u6570\u662f\u7528\u8865\u7801\u6765\u5b58\u50a8\u7684<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;\/\/\u8f93\u51fa5\u548c-3\u7684\u4e8c\u8fdb\u5236\u7801,\u6700\u9ad8\u4f4d\uff08\u6700\u5de6\u8fb9\u90a3\u4f4d)\u4e3a0\u8868\u793a\u6b63\u6570\uff0c\u4e3a1\u8868\u793a\u8d1f\u6570<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(Integer.toBinaryString(five));\/\/0101-&gt;+5<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(Integer.toBinaryString(3));<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;\/\/3\u7684\u4e8c\u8fdb\u5236\u65700011\uff0c\u60f3\u8981\u5f97\u5230\u8d1f3\u5148\u53d6\u53cd\u5f97\u52301100\u518d\u52a01\u5f97\u52301101\u4e0e\u4e0b\u884c\u8f93\u51fa\u5339\u914d<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(Integer.toBinaryString(three));\/\/1101-&gt;-3<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;\/\/\u6b63\u6570\u503c\u662f\u5176\u672c\u8eab<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;\/\/\u8d1f\u6570\u7684\u503c\u662f\u8fd9\u4e48\u8ba1\u7b97\u7684\uff0c\u4ee5-3\u4e3a\u4f8b\uff0c\u5148\u5c061101\u53d6\u53cd\u5f97\u52300010\u518d\u52a01\u5f97\u52300011,<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;\/\/\u7531\u4e8e\u662f\u8d1f\u6570\uff0c\u6700\u9ad8\u4f4d\u75281\u8868\u793a\uff0c\u5f97\u52301011=-(1+2)<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;\/*<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; * \u8865\u7801\u8fd0\u7b97\u8ba1\u7b97\u89c4\u5219\uff1a\u6700\u9ad8\u4f4d\u6709\u8fdb\u4f4d\u5219\u820d\u5f03<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; * \u90a3\u4e485-3\u7684\u7ed3\u679c\u662f\u8fd9\u4e48\u7b97\u7684<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; *&nbsp;&nbsp;&nbsp; 0101-&gt;5<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; *&nbsp;&nbsp; +1101-&gt;-3<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; *&nbsp;&nbsp; ----------<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; *&nbsp;&nbsp; 10010-&gt;\u820d\u5f03\u6700\u9ad8\u4f4d\u5f97\u52300010-&gt;2<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; *\/<br\/>&nbsp;&nbsp; &nbsp;}<br\/>}<\/p><p><br\/><\/p><p>\u8f93\u51fa\uff1a<\/p><p>101<br\/>11<br\/>11111111111111111111111111111101<\/p>"}