java检测端口是否被占用
1 import java.net.*; 2 import java.io.*; 3 4 public class Main { 5 public static void main(String[] args) { 6 Socket Skt; 7 String host = "localhost"; 8 if (args.length gt; 0) { 9 host = args[0]; 10 } 11 for (int i = 0; i < 1024; i++) { 12 try { 13 System.out.println("Looking for "+ i); 14 Skt = new Socket(host, i); 15 System.out.println("There is a server on port " 16 + i + " of " + host); 17 } 18 catch (UnknownHostException e) { 19 System.out.println("Exception occured"+ e); 20 break; 21 } 22 catch (IOException e) { 23 } 24 } 25 } 26 }
如今的编程是一场程序员和上帝的竞赛,程序员要开发出更大更好、傻瓜都会用到软件。而上帝在努力创造出更大更傻的傻瓜。目前为止,上帝是赢的。
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