mymulticastreceiver.java

3 pairs of sample codes for basic net apps: . Socket server/client . start the server first . Datagr

import java.net.*;


public class MyMulticastReceiver {
    public static void main(String[] args) {
        try {
            new MyMulticastReceiver().startToReceive();
        }
        catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    private void startToReceive() throws Exception{
        MulticastSocket socket = new MulticastSocket(4446);
        socket.joinGroup(Inet4Address.getByName("225.0.0.0"));

        byte buf[] = new byte[500];
        DatagramPacket packet = new DatagramPacket(buf, buf.length);
        socket.receive(packet);

        System.out.println("Data recieved from multicast sockt: " + new String(packet.getData()));
    }

}