{"id":121,"title":"java\u5b57\u7b26\u7c7b\u578b","good":0,"bad":0,"hit":2719,"created_at":"2014-12-03 14:06:09","content":"<p>public class Test2_11 {<br\/>&nbsp;&nbsp; &nbsp;public static void main(String args[]){<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;\/*<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; * java\u5b57\u7b26\u7c7b\u578b<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; * \u7528\u5355\u5f15\u7528\u5305\u62ec\uff0c\u53ef\u4ee5\u662f\u4e00\u4e2a\u82f1\u6587\u5b57\u6bcd\uff0c\u7b26\u53f7\uff0c\u4e00\u4e2a\u6c49\u5b57\uff0c\u5982\uff1a&#39;a&#39;,&#39;n&#39;,&#39;\u5b57&#39;<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; * java\u5e95\u5c42\u4f7f\u7528\u4e00\u4e2a16\u4f4d\u7684\u6574\u6570\u6765\u5904\u7406\u5b57\u7b26\u7c7b\u578b\uff0c\u8be5\u6570\u503c\u662f\u4e00\u4e2a\u5b57\u7b26\u7684unicode\u7f16\u7801\u503c<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; * unicode\u7f16\u7801\u662f\u5168\u7403 \u8303\u56f4\u5185\u7684\u7f16\u7801\u65b9\u6cd5\uff0c\u7ea6\u67098\u4e07\u591a\u4e2a\u5b57\u7b26<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; * unicode\u7f16\u7801\u7684\u82f1\u6587\u90e8\u5206\u4e0eascii\u7801\u517c\u5bb9\uff08ascii\u8868\u793a\u8303\u56f40-128),\u540c\u65f6\u82f1\u6587\u5b57\u7b26\u4e0e\u6570\u5b57\u662f\u8fde\u7eed\u7f16\u7801\u7684<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; * java\u5728\u5904\u7406char\u7c7b\u578b\u7684\u6570\u636e\u65f6\uff0c\u5728\u5e95\u5c42\u662f\u6309unicode\u7801\u6765\u5904\u7406\u7684<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; *\/<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;for(int i=0;i&lt;127;i++){<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(&quot;unicode\u7801\u4e3a&quot;+i+&quot;\u5bf9\u5e94\u7684\u5b57\u7b26\u4e3a&quot;+(char)i);<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;}<br\/>&nbsp;&nbsp; &nbsp;}<br\/>}<\/p><p><br\/><\/p><p>public class Test2_11 {<br\/>&nbsp;&nbsp; &nbsp;public static void main(String args[]){<\/p><p>System.out.println(Integer.toHexString(20013));\/\/\u5341\u8fdb\u523620013\u5bf9\u5e94\u768416\u8fdb\u5236\u6570\u4e3a4e2d<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;\/\/\u9a8c\u8bc1\u4e00\u4e0b0x4e2d\u662f\u4e0d\u662f\u7b49\u4e8e\u5341\u8fdb\u5236\u768420013<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;\/\/Math.pow()\u8ba1\u7b97\u67d0\u6570\u7684\u591a\u5c11\u6b21\u65b9<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(4*Math.pow(16,3)+14*Math.pow(16,2)+2*Math.pow(16, 1)+13*Math.pow(16, 0));<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println((char)20013);\/\/unicode\u7f16\u780120013\u5bf9\u5e94\u7684\u5b57\u7b26\u4e3a&#39;\u4e2d&#39;<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(&quot;\u663e\u793a\u53cc\u5f15\u53f7\\&quot;\\n\u663e\u793a\u5355\u5f15\u53f7\\&#39;\u663e\u793a\u5236\u8868\u7b26\\t\u524d\u9762\u67098\u4e2a\u7a7a\u683c&quot;);<\/p><p>&nbsp;&nbsp;&nbsp; }<br\/>}<\/p><p>\u8f93\u51fa\u7ed3\u679c\uff1a<\/p><p>4e2d<br\/>20013.0<br\/>\u4e2d<br\/>\u663e\u793a\u53cc\u5f15\u53f7&quot;<br\/>\u663e\u793a\u5355\u5f15\u53f7&#39;\u663e\u793a\u5236\u8868\u7b26&nbsp;&nbsp; &nbsp;\u524d\u9762\u67098\u4e2a\u7a7a\u683c<\/p>"}