UDP server java source code

[smart paper boy]

Code:

// writing client server program using UDP

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


class UDPserver
{
    final static int ECHO_PORT=7;
    public static void main(String args[])
    {
        DatagramSocket ds;
        DatagramPacket dp;
        
        try{
               ds=new DatagramSocket(ECHO_PORT);
               while(true){
                dp=new DatagramPacket(new byte[1024],1024);
                ds.receive(dp);
                dp=new DatagramPacket(dp.getData(),        
                    dp.getLength(),dp.getAddress(),dp.getPort());
                ds.send(dp);
            }
        }catch(IOException e){
            System.out.println("could not recieve or send data");
         }
     }
}