import java.io.*;
import java.net.*;


public class UDPReceiver {    
    public static void main(String args[]) throws Exception       
        { 
             DatagramSocket serverSocket = new DatagramSocket(8888);
             byte[] receiveData = new byte[1024];             
             byte[] sendData = new byte[1024];             
             while(true)                
                {                   
                    DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length);
                    serverSocket.receive(receivePacket);
                    //String sentence = new String( receivePacket.getData());
                    //System.out.println("RECEIVED: " + sentence);
                    //InetAddress IPAddress = receivePacket.getAddress();
                    //int port = receivePacket.getPort();
                    //String capitalizedSentence = sentence.toUpperCase();                   
                    //sendData = capitalizedSentence.getBytes();
                    //DatagramPacket sendPacket = new DatagramPacket(sendData, sendData.length, IPAddress, port);
                    //serverSocket.send(sendPacket);                
                }       
        } 
} 