public class TestPizza {
        // main method calling PizzaArea method
        public static void main (String [] args) {
            Pizza myPizza = new Pizza(12, 0.5);
            double pizzaArea = Pizza.pizzaArea(myPizza);

            // Display results
            System.out.print(myPizza.getPizzaDiameter() + " inch pizza is ");
            System.out.println(pizzaArea + " inches squared.");

            System.out.print(myPizza.getPizzaDiameter() + " x " + myPizza.getPizzaHeight() + " inch pizza is ");
            System.out.println(myPizza.pizzaVolume() + " inches cubed.");
        }
    }