case 'J': //adicionar este cliente a minha sala
        Linkedlist l = myServer.Clients();
        Synchronized(l) {

	Iterator<InetSocketAddress> it = l.iterator();
	InetSocketAddress address = new InetSocketAddress (p.getAddress(), 0);
	while(it.hasNext()){
		//InetSocketAddress tmp = it.next();
        	if(it.next().getAddress() == p.getAddress() /*&& tmp.getPort() == 0*/){
			//mandar msg ao cliente a dizer que ja existe
			answerPort = Integer.parseInt(st.nextToken());
			s = new Socket(p.getAddress(), answerPort.intValue());
			os = s.getOutputStream();
         		data = "-1".getBytes();
			os.write(data);
			break;
		}
	}
}