DateClient.java

package testapps;

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

public class DateClient {
    private static MulticastSocket multicastSocket;
    private static InetAddress group;
    private static byte[] buffer = new byte[256];

    public static void main(String[] args) {
        try {
            group = InetAddress.getByName("230.0.0.1");
            multicastSocket = new MulticastSocket(4446);
            multicastSocket.joinGroup(group);
            DatagramPacket packet = new DatagramPacket(buffer, buffer.length, group, 4446);
            for (int i = 0; i < 10; ++i) {
                multicastSocket.receive(packet);
                System.out.println(new String(packet.getData()));
            }
        } catch (IOException ex) {
            ex.printStackTrace();
        } finally {
            try {
                multicastSocket.leaveGroup(group);
            } catch (IOException ex) {
                ex.printStackTrace();
            } finally {
                multicastSocket.close();
                System.out.println("Disconnected");
            }
        }
    }
}