java获取本机ip地址

import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;


public class TestSocket {


 public static void main(String[] args) throws IOException {
 // TODO Auto-generated method stub
 //get my ip
 InetAddress host = InetAddress.getLocalHost();
 String ip=host.getHostAddress();
 String hip=ip.substring(0, ip.lastIndexOf("."));
 System.out.println(hip);
 
 
 }


}