public void close() {
		clients.remove(this);
		StringBuilder offlineMsg = new StringBuilder();
		offlineMsg.append(name).append(" has gone!");
		this.sendMessage(offlineMsg);
		this.sendUserList();
		try {
			if (dis != null) dis.close();
			if (dos != null) dos.close();
			if (s != null) s.close();
		} catch (IOException e1) {
			e1.printStackTrace();
		}
	}