import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetSocketAddress;
import javax.swing.JPanel;
public class MainClass extends JPanel {
public static void main(String[] args) {
try {
String data = "data in UDP";
byte [] buffer = data.getBytes();
DatagramPacket packet = new DatagramPacket(buffer, buffer.length,
new InetSocketAddress("localhost", 5002));
DatagramSocket socket = new DatagramSocket(5003);
System.out.println("Sending a packet...");
socket.send(packet);
}catch(IOException e)
{
e.printStackTrace();
}
}
}