UDP Client

import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.SocketException;

public class UdpClient {

    public static void main(String args[]) {




         byte[] buf;
         byte[] buf2 = new byte[1024];


        InetSocketAddress address= new InetSocketAddress("127.0.0.1",9999);

         try {
            DatagramSocket client= new  DatagramSocket();

            String msg=" --Your name goes here-- ";
             buf = msg.getBytes();
                DatagramPacket packet = new DatagramPacket(buf, buf.length, address);
                client.send(packet);

                DatagramPacket packet2 = new DatagramPacket(buf2, buf2.length);
                client.receive(packet2);
                String received = new String(
                  packet2.getData(), 0, packet2.getLength());


                System.out.println("Receive msg "+ received+"from "+packet2.getSocketAddress());
                client.close();

        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}