UDP_Client

   public static void main(String[] args)
        throws IOException
    {
        if ((args.length < 2) || (args.length > 3))
        {
            throw new IllegalArgumentException("Parameter(s):<Server><Word>[<Port>]");
        }
        InetAddress serverAddress = InetAddress.getByName(args[0]);
        byte[] bytesToSend = args[1].getBytes();
        int servPort = (args.length == 3) ? Integer.parseInt(args[2]) : 7;
        DatagramSocket socket = new DatagramSocket();
        socket.setSoTimeout(TIMEOUT);
        DatagramPacket sendPacket = new DatagramPacket(bytesToSend, bytesToSend.length, serverAddress, servPort);
        DatagramPacket receivePacket = new DatagramPacket(new byte[bytesToSend.length], bytesToSend.length);
        int tries = 0;
        boolean receivedResponse = false;
        do
        {
            socket.send(sendPacket);
            try
            {
                socket.receive(receivePacket);
                if (!receivePacket.getAddress().equals(serverAddress))
                {
                    throw new IOException("Received Packet From An Unknown Source");
                }
                receivedResponse = true;
            }
            catch (InterruptedIOException e)
            {
                tries += 1;
                System.out.println(MAXTRIES - tries + "MORE TRIES");
            }
        } while ((!receivedResponse) && (tries < MAXTRIES));
        if (receivedResponse)
        {
            System.out.println("RECEIVED:" + new String(receivePacket.getData()));
        }