/**/

private MulticastSocket socket;
private DatagramPacket packet;
socket = new MulticastSocket(35124);

/*/

private DatagramPacket socket;
private DatagramPacket packet;
socket = new DatagramPacket (35124, InetAddress.getByName("0.0.0.0"));

/**/
socket.setBroadcast(true);
packet = new DatagramPacket(data, data.length, InetAddress.getByName("255.255.255.255"), 48899);
socket.send(packet);
socket.setSoTimeout(2000);
socket.receive(packet);
final String s = new String(packet.getData(), 0, packet.getLength())