public static void doSomething(Animal animal)
{
if(animal is IBird)
{
Console.WriteLine("flap flap flap");
}
Console.WriteLine(animal.MakeSound());
}
static void Main(string[] args)
{
var Animal = new Animal[]
{
new Bear("bear"),
new Chicken("chicken"),
new Eagle("eagle")
};
foreach( var ani in Animal)
{
Console.WriteLine("the {0} goes", ani.Name);
AnimalUtility.doSomething(ani);
}
if (Animal[2] is IBird)
{
Console.WriteLine("Flap Flap Flap");
}
Console.ReadLine();
}
public static void DoSomething(Animal a)
{
Console.WriteLine(string.Format("A {0} makes a sound like {1}", a.Name, a.MakeSound()));
}
