import java.net.DatagramSocket;

import java.net.DatagramPacket;

import java.io.IOException;

public class DGServer{

public static final int SERVER_PORT = 10000;

public static final String SERVER_IP = "localhost";

public static void main(String[] args){

System.out.println("Server started...");

try{

DatagramSocket dgs = new DatagramSocket(SERVER_PORT);

// Explore the buffer size that DatagramSocket support by underlying platform.

System.out.println("ReceiveBufferSize: " + dgs.getReceiveBufferSize() + ", SendBufferSize: " + dgs.getSendBufferSize());

byte[] buffer = new byte[128];

DatagramPacket dgp = new DatagramPacket(buffer, buffer.length);

while(true){

dgs.receive(dgp);

System.out.println("Receiving: " + new String(dgp.getData()));

// echoing back the data

dgs.send(dgp);

}

}catch(IOException ioe){

ioe.printStackTrace();

}

}

}