Java tutorial
import java.net.DatagramPacket; import java.net.DatagramSocket; import java.net.InetAddress; public class Main { public static void main(String[] argv) throws Exception { InetAddress dst = InetAddress.getLocalHost(); int port = 8080; byte[] outbuf = new byte[1024]; int len = 1024; DatagramPacket request = new DatagramPacket(outbuf, len, dst, port); DatagramSocket socket = new DatagramSocket(); socket.send(request); } }