public static PizzaBuilder getInstance()
{
if (_instance == null)
{
_instance = new PizzaBuilder();
}
return(_instance);
}
public void execute()
{
var director = new PizzaDirector();
var builder = PizzaBuilder.getInstance();
director.pizzaBuilder = builder;
Console.WriteLine("Chicken with Catupiry Pizza:");
director.prepareChickenAndCatupiry();
Console.WriteLine(builder.getPizza().ListParts());
Console.WriteLine("Four Cheeses Pizza:");
director.prepareFourCheese();
Console.WriteLine(builder.getPizza().ListParts());
}