static void Main(string[] args)
{
//
// OLD MACDONALD
//
ISingable[] singables = new ISingable[]
{
new Cow(), new Chicken(), new Pig(), new Tractor()
};
foreach (ISingable singable in singables)
{
Console.WriteLine("Old MacDonald had a farm, ee ay ee ay oh!");
Console.WriteLine("And on his farm he had a " + singable.Name + ", ee ay ee ay oh!");
Console.WriteLine("With a " + singable.Sound + " " + singable.Sound + " here");
Console.WriteLine("And a " + singable.Sound + " " + singable.Sound + " there");
Console.WriteLine("Here a " + singable.Sound + " there a " + singable.Sound + " everywhere a " + singable.Sound + " " + singable.Sound);
Console.WriteLine();
}
ISellable[] sellables = new ISellable[]
{
new Cow(), new Pig(), new Egg()
};
foreach (ISellable sellable in sellables)
{
Console.WriteLine("Step right up and get your " + sellable.Name);
Console.WriteLine("Only $" + sellable.Price);
}
}
static void Main(string[] args)
{
//
// OLD MACDONALD
//
//collection of type FarmAnimal - can include any type derived from FarmAnimal as well
ISingable[] singingFarmCollection = new ISingable[] { new Cow(), new Chicken(), new Sheep(), new Tractor() };
// RidingTractor johnDeere = new RidingTractor();
// johnDeere.Mow();
//cant change because protected set
//johnDeere.NumberOfTires = 4;
//interfaces cant be instantiated
//ISingable test = new ISingable();
//
//FarmAnimal animal1 = new FarmAnimal("generic animal");
foreach (ISingable farmSinger in singingFarmCollection)
{
Console.WriteLine("Old MacDonald had a farm, ee ay ee ay oh!");
Console.WriteLine("And on his farm he had a " + farmSinger.Name + ", ee ay ee ay oh!"); //property from Base Class - not polymorphism
Console.WriteLine("With a " + farmSinger.MakeSound() + " " + farmSinger.MakeSound() + " here");
Console.WriteLine("And a " + farmSinger.MakeSound(2) + "there"); //calling overloaded MakeSound method in FarmAnimal
Console.WriteLine("Here a " + farmSinger.MakeSound() + " there a " + farmSinger.MakeSound() + " everywhere a " + farmSinger.MakeSound() + " " + farmSinger.MakeSound());
Console.WriteLine();
}
}
private static void SingTheVerse(ISingable item)
{
Console.WriteLine("And on his farm there was a " + item.Name + " ee ay ee ay oh");
Console.WriteLine("With a " + item.MakeSoundTwice() + " here and a " + item.MakeSoundTwice() + " there");
Console.WriteLine("Here a " + item.MakeSoundOnce() + ", there a " + item.MakeSoundOnce() + " everywhere a " + item.MakeSoundTwice());
Console.WriteLine("Old Macdonald had a farm, ee ay ee ay oh");
Console.WriteLine();
}
static void SingVerse(ISingable singable)
{
//
// OLD MACDONALD
//
Console.WriteLine("Old MacDonald had a farm. ee aye ee aye oh");
Console.WriteLine($"And on his farm there was a {singable.Name}. ee ay ee ay oh");
Console.WriteLine($"With a {singable.MakeSoundTwice()} here and a {singable.MakeSoundTwice()} there.");
Console.WriteLine($"Here a {singable.MakeSoundOnce()}, there a {singable.MakeSoundOnce()}, everywhere a {singable.MakeSoundTwice()}.");
Console.WriteLine($"Old Macdonald had a farm. ee aye ee aye oh");
Console.WriteLine();
}
static void Main(string[] args)
{
//
// OLD MACDONALD
//
Cow sleepy = new Cow("Sleepy");
sleepy.Sleep();
Cat cat = new Cat("Cosmic Creepers");
cat.Sleep();
Jersey jersey = new Jersey();
Cat felix = new Cat("Felix");
Console.WriteLine(sleepy.Eat());
Console.WriteLine(cat.Eat());
ISingable[] singables = new ISingable[]
{
new Cow("Henry"), new Chicken(), new Pig(), new Tractor(), new Cow("Earl"), sleepy, cat, jersey, felix
};
((FarmAnimal)singables[2]).Sleep();
foreach (ISingable singable in singables)
{
Console.WriteLine("Old MacDonald had a farm, ee ay ee ay oh!");
Console.WriteLine("And on his farm he had a " + singable.Name + ", ee ay ee ay oh!");
Console.WriteLine("With a " + singable.Sound + " " + singable.Sound + " here");
Console.WriteLine("And a " + singable.Sound + " " + singable.Sound + " there");
Console.WriteLine("Here a " + singable.Sound + " there a " + singable.Sound + " everywhere a " + singable.Sound + " " + singable.Sound);
Console.WriteLine();
}
ISellable[] sellables = new ISellable[]
{
new Cow("Henry"), new Pig(), new Egg()
};
foreach (ISellable sellable in sellables)
{
Console.WriteLine("Step right up and get your " + sellable.Name);
Console.WriteLine("Only $" + sellable.Price);
}
}
public static void Sing(ISingable thingThatSings)
{
thingThatSings.MakeSound();
}