數據報的服務器客戶機連接

 
package com.socket.test;

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.SocketException;

public class DataGramServer {
 
 public static void main(String[] args) {
  
  try {
   DatagramSocket ds = new DatagramSocket(7777);
   byte[] data = new byte[1024];
   DatagramPacket dp = new DatagramPacket(data, data.length);
   ds.receive(dp);
   String msg = new String(dp.getData());
   System.out.println(msg);
   ds.close();
  } catch (SocketException e) {
   e.printStackTrace();
  } catch (IOException e) {
   e.printStackTrace();
  }
  
 }

}


*********************************************************************************************************************

package com.socket.test;

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;

public class DataGramClient {
 
 public static void main(String[] args) {
  try {
   DatagramSocket ds = new DatagramSocket();
   String msg = "hello world i cs dota wow";
   byte[] data = msg.getBytes();
   InetAddress add = InetAddress.getByName("127.0.0.1");
   DatagramPacket dp = new DatagramPacket(data, data.length,add,7777);
   ds.send(dp);
   ds.close();
   
  } catch (SocketException e) {
   e.printStackTrace();
  } catch (IOException e) {
   e.printStackTrace();
  }
 }

}