UDPClient.java

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

class UDPClient
{
    public static void main(String args[]) throws Exception
    {
      while(true){ 
  BufferedReader inFromUser =
          new BufferedReader(new InputStreamReader(System.in));
       DatagramSocket clientSocket = new DatagramSocket();
       InetAddress IPAddress = InetAddress.getByName("10.1.1.1");
  byte[] sendData = new byte[128];
      // byte[] receiveData = new byte[1024];
//while(true){
       String sentence = inFromUser.readLine();
       sendData = sentence.getBytes();
       DatagramPacket sendPacket = new DatagramPacket(sendData, sendData.length, IPAddress, 9877);
       clientSocket.send(sendPacket);
//    }
       //DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length);
       //clientSocket.receive(receivePacket);
       //String modifiedSentence = new String(receivePacket.getData());
       //System.out.println("FROM SERVER:" + modifiedSentence);
       clientSocket.close();
    }
}
}