import java.io.*;
import java.net.*;
public class UDPSend {
public static void main(String args[]) {
try {
String host = "www.rntsoft.com";
int port = 90;
byte[] message = "Java Source and Support".getBytes();
// Get the internet address of the specified host
InetAddress address = InetAddress.getByName(host);
// Initialize a datagram packet with data and address
DatagramPacket packet = new DatagramPacket(message, message.length,
address, port);
// Create a datagram socket, send the packet through it, close it.
DatagramSocket dsocket = new DatagramSocket();
dsocket.send(packet);
dsocket.close();
} catch (Exception e) {
System.err.println(e);
}
}
}