public static string RTName()
{
RingTailed rt = new RingTailed();
return(rt.Name);
}
public static void Main(string[] args)
{
Console.WriteLine("Welcome to my zoo!\n");
Console.WriteLine("My zoo has an abstract base class called Mammal.\nMammals" +
" have 1) an abstract name and 2) an abstract age, and can 1) eat (abstract) and 2) make a sound (virtual).\n");
Console.WriteLine("\n\nHit <ENTER> to continue.");
Console.ReadLine();
//Show info about Bears and demo different Bear subclasses
Console.WriteLine("The class 'Bear' inherits from Mammal and overrides all properties and methods. Bear additionally" +
" adds a virtual property called ClawLength and an abstract method called Hunts().\n");
Console.WriteLine("There are three Bear descendent classes: Panda, Grizzly, and PolarBear.");
Console.WriteLine("Pandas, Grizzlies, and PolarBears override all properties and methods of Bear EXCEPT for: ClawLength, Age, and Sound.");
Bear[] myBears = CreateBears();
Console.WriteLine("\n\nHit <ENTER> to see a demonstration of each class that inherits from Bear.");
Console.ReadLine();
Console.WriteLine("Here's a demonstration of each bear type\n");
ShowBears(myBears);
Console.WriteLine("\n\nHit <ENTER> to continue.");
Console.ReadLine();
//Instantiate Primates and return collection of primates
Console.WriteLine("The class 'Primate' inherits from Mammal and overrides all properties and methods. Primate additionally" +
" adds a virtual property called HasTail and an virtual method called Hangs().\n");
Console.WriteLine("There are three Primate descendent classes: Lemur, Chimpanzee, and Proboscis.");
Console.WriteLine("Lemurs and Proboscii override Name, Eats(), Sound(), while Chimpanzees additionally override HasTail. ");
Primate[] myPrimates = CreatePrimates();
Console.WriteLine("\n\nHit <ENTER> to see a demonstration of each class that inherits from Primate.");
Console.ReadLine();
Console.WriteLine("Here's a demonstration of each primate type\n");
ShowPrimates(myPrimates);
Console.WriteLine("\n\nHit <ENTER> to continue.");
Console.ReadLine();
//Show RingTailed
Console.WriteLine("Additionally, the class RingTailed inherits from Lemur and adds a method called SpendsTime()");
RingTailed ringTailedLemur = new RingTailed();
Console.WriteLine($"Name: {ringTailedLemur.Name}");
Console.WriteLine($"Age: {ringTailedLemur.Age}");
Console.WriteLine($"Has tail? {ringTailedLemur.HasTail}");
Console.WriteLine($"Eats: {ringTailedLemur.Eats()}");
Console.WriteLine($"Sound: {ringTailedLemur.Sound()}");
Console.WriteLine($"Hangs: {ringTailedLemur.Hangs()}");
Console.WriteLine($"Spends time: {ringTailedLemur.SpendsTime()}");
Console.WriteLine();
//Show Interface Implementation
Console.WriteLine("Finally, there are two interfaces: ICanSwim and ICanGroom.");
Console.WriteLine("Chimpanzee implements both, while PolarBear implements ICanSwim");
Console.WriteLine("\n\nHit <ENTER> to see a demonstration.");
Console.ReadLine();
PolarBear pb = new PolarBear();
Chimpanzee c = new Chimpanzee();
Console.WriteLine($"calling PolarBear.Swim(): {pb.Swim()}");
Console.WriteLine($"calling PolarBear.DryOff(): {pb.DryOff()}");
Console.WriteLine($"calling Chimpanzee.Swim(): {c.Swim()}");
Console.WriteLine($"calling Chimpanzee.DryOff(): {c.DryOff()}");
Console.WriteLine($"calling Chimpanzee.Groom(): {c.Groom()}");
Console.WriteLine($"calling Chimpanzee.EatFoundBug: {c.EatFoundBug()}");
}
public static string RTSpendsTime()
{
RingTailed rt = new RingTailed();
return(rt.SpendsTime());
}
