import java.net.* ;

public class UDPProducer {

    public static void main(String [] args) throws java.io.IOException {
        DatagramSocket sock = new DatagramSocket() ;

        InetAddress addr = InetAddress.getByName("grids.ucs.indiana.edu") ;
        int port = 0xDBC ;

        for(int i = 0 ; i < 10 ; i++) {
            String message = "message " + i ;
            byte [] data = message.getBytes() ;
            DatagramPacket packet =
                    new DatagramPacket(data, data.length, addr, port) ;
            sock.send(packet) ;
        }
    }
}