UDP发送端

package cn.socket.udp;
import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;
import java.net.UnknownHostException;

public class sendUDP extends Thread{

 /**
  * @param args
  */
 public static void main(String[] args) {
  
   for(int i=0;i<5;i++){
    sendUDP udpTestUDP=new sendUDP();
    udpTestUDP.start();
   }  
 }
 
 public void run(){
  DatagramSocket  gramSocket= null;
  try {
     gramSocket = new DatagramSocket();
  } catch (SocketException e) {
   e.printStackTrace();
  }
  String info="1111111:22.36-25.2-20110802221144-12,22.9-32.89-20100102112244-45,36.25-56.25-20101424445544-0";
  try {
   DatagramPacket  packet= new DatagramPacket(info.getBytes(),info.length(),InetAddress.getByName("127.0.0.1"),10001);
   gramSocket.send(packet);
   gramSocket.close();
  } catch (UnknownHostException e) {  
   e.printStackTrace();
  } catch (IOException e) {
   e.printStackTrace();
  }
 }
}