class EspressoShot extends Beverage {
    private int numShots;
    private Cup cupType;

    public EspressoShot(String name, double cost,
                        int numShots, Cup cupType) {
        super(name, cost, Size.none);  // superclass constructor
        if ( numShots > 4 ) {
            numShots = 4;
        }
        this.numShots = numShots;
        this.cupType = cupType;
    }
}