pbl, on 15 December 2011 - 10:31 PM, said:

	private synchronized void broadcast(String message) {
		// add HH:mm:ss and \n to the message
		String time = sdf.format(new Date());
		String messageLf = time + " " + message + "\n";
		// display message on console or GUI
		if (sg == null)
			System.out.print(messageLf);
		else
			sg.appendRoom(messageLf); // append in the room window

		// we loop in reverse order in case we would have to remove a Client
		// because it has disconnected
		for (int i = al.size(); --i >= 0;) {
			ClientThread ct = al.get(i);
			// try to write to the Client if it fails remove it from the list
			if (!ct.writeMsg(messageLf)) {
				al.remove(i);
				display("Disconnected Client " + ct.username
						+ " removed from list.");
			}
		}
	}