/// <summary>
/// testing that the animal has inherited qualities from its base class
/// </summary>
public static void Zoo()
{
//LACTATING ANIMAL
//instantiating a bear object from the Bear class
Bear bear = new Bear();
//overriding an abstract method (Appearance())
Console.WriteLine(bear.Appearance());
//overriding an abstract property (Name) and
//overriding a virtual property (Noise)
Console.WriteLine($"{bear.Name} goes {bear.Noise}.");
//overriding a virtual method (Diet())
Console.WriteLine($"{bear.Diet()}");
//implementing the IFly Interface on Bear
Console.WriteLine($"{bear.WhyIFly("campers")}");
//implementing the ISwimAndKill Interface on Bear
Console.WriteLine($"Is {bear.Name} bloodthirsty? {bear.BloodThirsty}!!");
Console.WriteLine("<-------------------------->");
//NONLACTATING ANIMALS
//instantiating a shark
Shark shark = new Shark();
//overriding an abstract method (Appearance())
Console.WriteLine(shark.Appearance());
//overriding an abstract property (Name) and
//overriding a virtual property (Noise)
Console.WriteLine($"{shark.Name} goes {shark.Noise}");
//overriding a virtual method (Diet())
Console.WriteLine($"{shark.Diet()}");
//implementing the ISwimAndKill interface on shark
Console.WriteLine($"Is {shark.Name} blood thirsty? mmm...{shark.BloodThirsty}!");
//implementing the IFly interface on shark
Console.WriteLine($"{shark.WhyIFly("the day pigs fly")}");
}