import java.util.LinkedList;
import java.util.Queue;

public class Stand_de_cuisson { 
    private Queue<Client> clients = new LinkedList<Client>();
    public synchronized Client attendClient(){
        while(clients.isEmpty()){
            try{
                wait();
            }catch (Exception e) {
                System.out.println(e);
            }
        }
        return clients.poll();
    }
    public synchronized void finir_cuit(Client client){
        notifyAll();
    }
}