static void Main(string[] args)
{
IAnimal[] dogs = new Dog[] { new Dog("Roki", 13), new Dog("Lassie", 5), new Dog("Kiro", 10)
, new Dog("Miro", 6), new Dog("Lucky", 7) };
Console.WriteLine("Average age (Dogs): {0}", dogs.Sum(dog => dog.Age) / (decimal)dogs.Length);
IAnimal[] frogs = new Frog[] { new Frog("Franklin", 13), new Frog("Lilly", 5), new Frog("Smiley", 10)
, new Frog("Johnny", 6), new Frog("Daisy", 7) };
Console.WriteLine("Average age (Frogs): {0}", frogs.Sum(frog => frog.Age) / (decimal)frogs.Length);
IAnimal[] kittens = new Kitten[] { new Kitten("Ema", 13), new Kitten("Princes", 5), new Kitten("Chera", 10)
, new Kitten("Tweety", 6), new Kitten("Puppy", 7) };
Console.WriteLine("Average age (Kittens): {0}", kittens.Sum(kitty => kitty.Age) / (decimal)kittens.Length);
IAnimal[] tomcats = new Tomcat[] { new Tomcat("Serafim", 13), new Tomcat("Garfield", 5), new Tomcat("Johhny", 10)
, new Tomcat("Steve", 6), new Tomcat("Rijo", 7) };
Console.WriteLine("Average age (Tomcats): {0}", tomcats.Sum(tomcat => tomcat.Age) / (decimal)tomcats.Length);
}
