try {
InetAddress metalab = new InetAddess("metalab.unc.edu");
int chargen = 19;
String s = "My second UDP Packet"
byte[] b = s.getBytes();
DatagramPacket dp = new DatagramPacket(b, b.length, metalab, chargen);
}
catch (UnknownHostException e) {
System.err.println(ex);
}