static void Main(string[] args)
        {
            Pizzaiolo     pizzaiolo                  = new Pizzaiolo();
            IPizzaBuilder pizzaCalabrezaBuilder      = new PizzaCalabrezaBuilder();
            IPizzaBuilder pizzaQueijoPresuntoBuilder = new PizzaQueijoPresuntoBuilder();

            pizzaiolo.PizzaBuilder = pizzaCalabrezaBuilder;
            Pizza p1 = pizzaiolo.PrepararPizza();

            Console.WriteLine("Pizza 01: " + p1);

            pizzaiolo.PizzaBuilder = pizzaQueijoPresuntoBuilder;
            Pizza p2 = pizzaiolo.PrepararPizza();

            Console.WriteLine("Pizza 02: " + p2);

            Console.ReadKey();
        }