public static void Showcase(Animal a)
{
// This has the same functionality as Animal x = new Dog()
// if a dog is passed in.
Console.WriteLine("Animal showcase");
a.Talk();
a.disp();
}
public static void Polymorphism()
{
Console.WriteLine("\nPOLYMORPHISM:");
Animal a = new Animal("a"); // Animal reference that refers to an animal
Animal b = new Dog("b"); // Animal reference that refers to a dog
Dog c = new Dog("c"); // Dog reference that refers to a dog
// Dog d = (Dog)b;
a.Talk(); // Base class virtual
a.disp(); // Base class disp
b.Talk(); // Derived class override
b.disp(); // Base class disp
c.Talk(); // Derived class override
c.disp(); // Derived class new
Console.WriteLine();
Animal.Showcase(a);
Animal.Showcase(b);
Animal.Showcase(c);
Dog.ShowTime((Dog)b);
Dog.ShowTime(c);
}