public class Pizza {

    final static double PI = 3.14159265;
    private double pizzaDiameter;
    private double pizzaHeight;

    public Pizza(double diameter, double height) {
        pizzaDiameter = diameter;
        pizzaHeight = height;
    }

    public double getPizzaDiameter() {
        return pizzaDiameter;
    }

    public double getPizzaHeight() {
        return pizzaHeight;
    }

    public static double pizzaArea(Pizza myPizza) {
        // Calculate area of this pizza
        double pizzaRadius = myPizza.getPizzaDiameter() / 2.0;
        double pizzaArea = PI * pizzaRadius * pizzaRadius;
        return pizzaArea;
    }

    public double pizzaVolume() {
        // calculate pizza volume given a diameter and height
        double pizzaRadius = pizzaDiameter / 2.0;
        double pizzaArea = PI * pizzaRadius * pizzaRadius;
        double pizzaVolume = pizzaArea * pizzaHeight;
        return pizzaVolume;
    }

}