import java.net.*;
import java.io.*;
public class BroadcastClient
{
public static final int PORT = 1234;
public static void main(String args[])throws Exception
{
MulticastSocket socket;
DatagramPacket packet;
InetAddress address;
// set the mulitcast address to your local subnet
address = InetAddress.getByName("239.1.2.3");
socket = new MulticastSocket(PORT);
//join a Multicast group and wait for a message
socket.joinGroup(address);
byte[] data = new byte[100];
packet = new DatagramPacket(data,data.length);
for(;;)
{
// receive the packets
socket.receive(packet);
String str = new String(packet.getData());
System.out.println("Message received from "+ packet.getAddress() + " Message is : "+str);
} // for
} // main
} // end BroadcastClient