public static void Main()
{
Cat cat = new Cat("Macana", 2, Gender.female);
Kitten kitten = new Kitten("", 1);
Tomcat tomcat = new Tomcat("Tom", 4);
Dog dog = new Dog("Rex", 6, Gender.male);
Frog frog = new Frog("Kikirana", 2, Gender.female);
var animals = new Animal[]
{
cat,
kitten,
tomcat,
dog,
frog
};
foreach (var animal in animals)
{
Console.Write("{0}", animal);
animal.ProduceSound();
}
var groupedAnimalsByType = animals.GroupBy(GetAnimalType,
(t, a) => new { type = t, averageAge = a.Average(animal => animal.Age) });
foreach (var group in groupedAnimalsByType)
{
Console.WriteLine("The average age of {0}s is {1:f2}.", group.type, group.averageAge);
}
}
static void Main()
{
Frog[] frogs = new Frog[18];
for (int i = 0; i < frogs.Length; i++)
{
frogs[i] = new Frog("Frogname " + (i + 1), i * 3 + 1, (i % 2 == 0) ? true : false); // male:female distribution 50/50
Console.WriteLine(frogs[i] + " and says " + frogs[i].Say());
}
Dog[] dogs = new Dog[15];
for (int i = 0; i < dogs.Length; i++)
{
dogs[i] = new Dog("Dogname " + (i + 1), i * 5 + 1, (i % 3 == 0) ? true : false); // male:female distribution 30/70
Console.WriteLine(dogs[i] + " and says " + dogs[i].Say());
}
Kitten[] kittens = new Kitten[13];
for (int i = 0; i < kittens.Length; i++)
{
kittens[i] = new Kitten("Kittenname " + (i + 1), i * 2 + 1); // all are female
Console.WriteLine(kittens[i] + " and says " + kittens[i].Say());
}
Tomcat[] tomcats = new Tomcat[14];
for (int i = 0; i < tomcats.Length; i++)
{
tomcats[i] = new Tomcat("Tomcatname " + (i + 1), i * 4 + 1); // all are male
Console.WriteLine(tomcats[i] + " and says " + tomcats[i].Say());
}
// average age calculation for each kind of animal
Console.WriteLine("Average frogs age: " + Animal.AverageAge(frogs));
Console.WriteLine("Average dogs age: " + Animal.AverageAge(dogs));
Console.WriteLine("Average kittens age: " + Animal.AverageAge(kittens));
Console.WriteLine("Average tomcats age: " + Animal.AverageAge(tomcats));
Console.WriteLine("\r\n\r\nPress Enter to finish");
Console.ReadLine();
}
