/// <summary>
/// Calculates the verage age of all animal in an array
/// </summary>
/// <param name="animals">The animals</param>
/// <returns>The average age</returns>
public static double CalculateAverageAge(Animal[] animals)
{
double sum = 0;
for(int i = 0; i < animals.Length; i ++)
{
sum += animals[i].Age;
}
return sum / animals.Length;
}
static void GetAverageAge(Animal[] animals)
{
var speciesByAverageAge =
from animal in animals
group animal by animal.GetType() into a
select new { Species = a.Key.Name, AverageAge = a.Average(animal => animal.Age) };
foreach (var species in speciesByAverageAge)
{
Console.WriteLine("{0} Average age: {1}",species.Species,species.AverageAge);
}
}
static void Main(string[] args)
{
Animal[] animals = new Animal[]
{
new Frog(10,"John",Sex.male),
new Kitten(5,"Pussy"),
new Tomcat(6,"Kasanova"),
new Dog(4,"Balkan",Sex.male),
new Dog(5,"Pencho",Sex.male),
new Kitten(2,"Penka"),
new Kitten(3,"Virginia"),
new Tomcat(8,"Kotkar"),
new Tomcat(3,"Garfield")
};
GetAverageAge(animals);
}
static void Main()
{
//Create list of Animals
//Tomcat and Kiten have constructor with only two parameters, third is constant
Animal[] animals = new Animal[] {
new Dog("Sharo",4,Sex.Male),
new Cat("Kitty",3,Sex.Female),
new Frog("Kyrmit",2,Sex.Male),
new Kitten("Swetty",5),
new Tomcat("Garfild",7),
new Dog("Rex",3,Sex.Male),
new Cat("Lussi", 6,Sex.Female),
new Tomcat("SomeName",4)};
Animal.AveargeAge(animals); //Print average age for every kind of animal in list
animals[0].Sound("bayyyyyyyyyy");
Cat myCat = new Cat("Garfild", 3, Sex.Female);
myCat.Sound();
Frog myFrog = new Frog("Kyrmit",3, Sex.Male);
myFrog.Sound();
}
public static double CalculateAverage(Animal[] animals)
{
double sum = 0d;
foreach(Animal animal in animals)
{
sum += animal.age;
}
return sum / (double)animals.Length;
}
