Using Datagrams to Get the Date : UDP « Network Protocol « Java

Using Datagrams to Get the Date


public class GetDate {
  final static int PortDayTime = 13; // well-known daytime port

  public static void main(String args[]) throws Exception {
    byte msg[] = new byte[256];
    DatagramSocket dgSocket = new DatagramSocket();
    InetAddress destination = InetAddress.getByName("");
    DatagramPacket datagram = new DatagramPacket(msg, msg.length,
        destination, PortDayTime);
    datagram = new DatagramPacket(msg, msg.length);
    String received = new String(datagram.getData());
    System.out.println("The time in Cambridge is now: " + received);

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