{"id":50,"title":"java\u6570\u7ec4\u5b9a\u4e49\/\u8d4b\u503c\/\u521d\u59cb\u5316","good":1,"bad":33,"hit":2335,"created_at":"2014-04-27 22:49:40","content":"<p>\/*<br\/>\u6570\u7ec4\u7684\u5b9a\u4e49:<br\/>\u683c\u5f0f1:\u7c7b\u578b[] \u6570\u7ec4\u540d=new \u7c7b\u578b[\u6570\u636e\u4e2a\u6570];<br\/>\u683c\u5f0f2:\u7c7b\u578b[] \u6570\u7ec4\u540d=new \u7c7b\u578b[]{\u5143\u7d201,\u5143\u7d202,....};<br\/><br\/>\u5185\u5b58\u7684\u5212\u5206:<br\/>1\u3001\u5bc4\u5b58\u5668:\u7ed9cpu\u7528\u7684<br\/>2\u3001\u672c\u5730\u65b9\u6cd5\u533a:\u6839\u636e\u7cfb\u7edf\u5e73\u53f0\u4e0d\u540c,\u8c03\u7528\u7684\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u5185\u5bb9<br\/>3\u3001\u65b9\u6cd5\u533a:<br\/>4\u3001\u6808\u5185\u5b58:\u5b58\u50a8\u5c40\u90e8\u53d8\u91cf,\u53d8\u91cf\u6240\u5c5e\u7684\u4f5c\u7528\u57df\u4e00\u65e6\u7ed3\u679c,\u8be5\u53d8\u91cf\u5c31\u81ea\u52a8\u91ca\u653e<br\/>5\u3001\u5806\u5185\u5b58:\u5b58\u50a8\u7684\u662f\u6570\u7ec4\u548c\u5bf9\u8c61(\u6570\u636e\u5176\u5b9e\u5c31\u662f\u5bf9\u8c61),\u51e1\u662fnew\u5efa\u7acb\u7684\u90fd\u5728\u5806\u4e2d,\u5806\u5185\u5b58\u4e2d\u7684\u6bcf\u4e00\u4e2a\u53d8\u91cf\u6839\u636e\u7c7b\u578b\u4e0d\u540c\u90fd\u6709\u5bf9\u5e94\u7684\u521d\u59cb\u5316\u503c.<br\/>*\/<br\/>class arrayTest <br\/>{<br\/>&nbsp;&nbsp; &nbsp;public static void main(String[] args) <br\/>&nbsp;&nbsp; &nbsp;{<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;String [] arr=new String[3];\/\/\u5728\u5806\u5185\u5b58\u4e2d\u5f00\u8f9f\u4e00\u4e2a\u6570\u7ec4\u7a7a\u95f4,\u5e76\u6709\u4e00\u4e2a\u5730\u5740\u540d,\u5e76\u4e14\u521d\u59cb\u5316\u503c,\u5c06\u5730\u5740\u540d\u79f0\u8d4b\u503c\u7ed9arr,\u76f8\u5f53\u4e8earr\u6307\u5411\u5806\u4e2d\u7684\u6b64\u533a\u57df<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;\/\/arr=null;\/\/\u76f8\u5f53\u4e8e\u53d6\u6d88\u6307\u5411;\u6b64\u65f6\u5806\u4e2d\u7684arr\u4e4b\u524d\u6307\u5411\u7684\u533a\u57df\u6210\u4e3a\u5783\u573e,\u5806\u6709\u5783\u573e\u56de\u6536\u673a\u5236.\u81ea\u52a8\u4e0d\u5b9a\u65f6\u56de\u6536<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;arr[0]=&quot;www.hu-rong.com&quot;;<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(arr[0]);\/\/\u8f93\u51fa:www.hu-rong.com<br\/><br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;String [] x=new String[3];<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;String [] y=new String[3];<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;x[0]=&quot;www.hu-rong.com\/About&quot;;<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;y[0]=&quot;www.hu-rong.com\/Guestbook&quot;;<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;y=x;<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(y[0]);\/\/\u8f93\u51fa:www.hu-rong.com\/About<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(x[0]);\/\/\u8f93\u51fa:www.hu-rong.com\/About<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;x=null;<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;\/\/System.out.println(x[0]);\/\/\u62a5\u9519,\u7531\u4e8ex=nuu\u6307\u9488\u6ca1\u4e86,\u4e0d\u5b58\u5728x[0]\u4e2d0\u5bf9\u5e94\u7684\u89d2\u6807<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(y[0]);\/\/\u867d\u7136x=null,\u7531\u4e8ey\u5df2\u7ecf\u6307\u5411x\u4e4b\u524d\u5728\u5806\u4e2d\u7684\u5730\u5740,\u6b64\u65f6\u503c\u8fd8\u5728,\u6240\u4ee5\u8f93\u51fa:www.hu-rong.com\/About<br\/><br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;\/\/\u6570\u7ec4\u7684\u904d\u5386<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;String [] arr1=new String[]{&quot;www.&quot;,&quot;hu-rong&quot;,&quot;.com&quot;};<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;for(int i=0;i&lt;arr1.length;i++){<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.print(arr1[i]);\/\/\u8f93\u51fa\u4e09\u6b21,\u62fc\u6210:www.hu-rong.com<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;}<br\/><br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;\/\/\u67e5\u6700\u503c<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;int [] arr2=new int[]{14,12,3,45};<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;int maxValue=arr2[0];<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;for(int i=0;i&lt;arr2.length;i++){<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;if(arr2[i]&gt;maxValue){<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;maxValue=arr2[i];<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;}<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;}<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println();<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(maxValue);\/\/45<br\/><br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;\/\/\u9009\u62e9\u6392\u5e8f:\u7528\u6570\u7ec4\u7b2c\u4e00\u4e2a\u5143\u7d20\u4e0e\u5176\u53f3\u6240\u6709\u5143\u7d20\u6bd4,\u7b2c\u4e00\u4e2a\u5143\u7d20\u5728\u6bd4\u8f83\u7684\u8fc7\u7a0b\u4e2d\u662f\u53d8\u5316\u7684<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;\/\/\u5982\u679c\u5199\u6210function\u5219\u7c7b\u4f3c public static void paiXu(int [] arr2){}\u7528void\u662f\u56e0\u4e3a\u6392\u5e8f\u7684\u8fc7\u7a0b\u4e2d\u76f4\u63a5\u6539\u53d8\u7684\u539f\u6570\u7ec4\u7684\u6392\u5e8f,\u4e0d\u9700\u8981\u8fd4\u56de\u503c<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;int num=arr2.length;\/\/\u6570\u7ec4\u5143\u7d20\u4e2a\u6570,\u6b64\u4f8b\u4e2d\u503c\u4e3a4<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;for(int i=0;i&lt;num-1;i++){<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(&quot;arr[&quot;+i+&quot;]=&quot;+arr2[i]);<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(&quot;---------------&quot;);<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;for(int j=i+1;j&lt;num;j++){<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;if (arr2[i]&gt;arr2[j])\/\/\u5173\u952e\u662f\u8fd9\u53e5,\u6bcf\u6b21\u5faa\u73af\u540earr2\u5df2\u7ecf\u6392\u5e8f\u4e86,arr2[i]\u7684\u503c\u5df2\u7ecf\u53d8\u4e86<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;{<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;int temp=arr2[i];<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;arr2[i]=arr2[j];<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;arr2[j]=temp;<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;}<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;}<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;for(int k=0;k&lt;num;k++){<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(&quot;arr[&quot;+k+&quot;]=&quot;+arr2[k]);<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;}<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;System.out.println(&quot;---------------&quot;);<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;}<br\/>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;<br\/><br\/>&nbsp;&nbsp; &nbsp;}<br\/>}<br\/><br\/><\/p>"}