import java.net.*;

public class UDPSender {

  public static void main(String args[]) {
  
    String s = "This is a test.";
  
    byte[] data = new byte[s.length()];
    s.getBytes(0, s.length(), data, 0);
    try {
      InetAddress ia = InetAddress.getByName("sunsite.unc.edu");
      int port = 7;
      DatagramPacket dp = new DatagramPacket(data, data.length, ia, port);
    }
    catch (UnknownHostException e) {
    }
    
  }

}