获得当前计算机全部IP的一个java小程序

import java.net.InetAddress;
//本程序实现了获取本地IP地址
public class IP {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
InetAddress localHost;
InetAddress []ip;
try{
localHost=InetAddress.getLocalHost();
ip=InetAddress.getLocalHost().getAllByName(localHost.getHostName());
for(int i=0;i<ip.length;i++)
System.out.println(ip[i].getHostName()+":"+ip[i].getHostAddress());
}catch(Exception ex){
ex.printStackTrace();
}
}
}