MulticastServer.java

public class MulticastServer {
  public final static int MULTICAST_PORT = 50001;
  public final static String MULTICAST_GROUP = "127.0.0.1";

  public static void main(String[] args){
    try {
      DatagramSocket serverSocket = new DatagramSocket();
      byte[] dataBuffer = new byte[1024];
      
      DatagramPacket outputPacket = new DatagramPacket(
        dataBuffer, dataBuffer.length,
        InetAddress.getByName(MULTICAST_GROUP),
        MULTICAST_PORT
      );
      
      while (true){
        outputPacket.setData("Multicasting-Java Revisited");
        serverSocket.send(outputPacket);
        try{
          thread.sleep(1000);
        }
        catch(InterruptedException e){
          e.printStackTrace();
        }
      }
    }
    catch (InterruptedException e){
      e.printStackTrace();
    }
  }
}