udp客户端源代码

package com.zy;

import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;

public class Udpclinet {

public static void main(String[] args) throws Exception {    // TODO Auto-generated method stub    DatagramSocket  ds=new DatagramSocket(8888);    String s="你好服务器";    DatagramPacket dp=new DatagramPacket(s.getBytes(), s.getBytes().length,InetAddress.getLocalHost(),9999 );    ds.send(dp);    byte b[]=new byte[1024];    DatagramPacket ndp=new DatagramPacket(b, b.length);    ds.receive(ndp);    System.out.println(new String(b).trim());    ds.close();}

}