multicastclient.java

《Java TCP/IP应用开发详解》的部分源程序,开发环境为ECLIPSE3.1

package section20;

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.InetAddress;
import java.net.MulticastSocket;

public class MulticastClient {

	
	public static void main(String[] args)throws IOException {
		MulticastSocket socket=new MulticastSocket(1111);
		InetAddress group=InetAddress.getByName("230.0.0.1");
        socket.joinGroup(group);
        DatagramPacket packet;
        for(int i=0;i<5;i++)
        {
        	byte[]buf=new byte[256];
        	packet=new DatagramPacket(buf,buf.length);
        	socket.receive(packet);
        	String received=new String(packet.getData());
        	System.out.println("Quote of the Moment:"+received);
        }
        socket.leaveGroup(group);
        socket.close();
	}
}