Java tutorial
import java.net.DatagramPacket; import java.net.DatagramSocket; import java.net.InetAddress; class Main { public static void main(String args[]) throws Exception { InetAddress ia = InetAddress.getByName(args[0]); int port = Integer.parseInt(args[1]); DatagramSocket ds = new DatagramSocket(); while (true) { String s = "asdf"; byte buffer[] = s.getBytes(); DatagramPacket dp = new DatagramPacket(buffer, buffer.length, ia, port); ds.send(dp); } } }