public class Compartiment{
    protected final int QUANTITE_MAX = 1000;
    private int quantite_courant;

    Compartiment(){
        quantite_courant = 0;
    }

    synchronized void remplir(){
        quantite_courant = QUANTITE_MAX;
    }

    synchronized void servir(int qte){
        quantite_courant -= qte;
    }

    public int getQuantite(){
        return quantite_courant;
    }
}