public class DoubleExtra extends Extra {
public DoubleExtra(String label, double price, Order order) {
super(label, price, order);
}
public Double getPrice() {
return (this.price*2)+order.getPrice();
}
public String getLabel() {
return order.getLabel()+ ", dwa razy " + this.label;
}
}


/*
Order fourSeasonsPizza = new Pizza("Pizza Cztery pory roku", 10);
fourSeasonsPizza = new RegularExtra("Pepperoni", 4, fourSeasonsPizza );
fourSeasonsPizza = new DoubleExtra("Mozzarella", 2, fourSeasonsPizza );
fourSeasonsPizza = new NoCostExtra("Chili", 2, fourSeasonsPizza );
System.out.println(fourSeasonsPizza.getPrice());
System.out.println(fourSeasonsPizza.getLabel());
*/