UDP_Server

  public static void main(String[] args)
        throws IOException
    {
        if (args.length != 1)
        {
            throw new IllegalArgumentException("Parameter(s):[<Port>]");
        }
        int servPort = Integer.parseInt(args[0]);
        DatagramSocket socket = new DatagramSocket(servPort);
        DatagramPacket packet = new DatagramPacket(new byte[ECHOMAX], ECHOMAX);
        while (true)
        {
            socket.receive(packet);
            System.out.println("Handling Client At" + packet.getAddress().getHostAddress() + "On Port"
                + packet.getPort());
            socket.send(packet);
            packet.setLength(ECHOMAX);
        }
    }