static void Main()
{
// Create new local object theZoo, then add mammals and birds.
Zoo theZoo = new Zoo();
theZoo.AddMammal("Whale");
theZoo.AddMammal("Rhinoceros");
theZoo.AddBird("Penguin");
theZoo.AddBird("Warbler");
// Iterate through each name in the theZoo.
foreach (string name in theZoo)
{
Console.Write(name + " ");
}
Console.WriteLine();
// Iterate through bird names in theZoo.
foreach (string name in theZoo.Birds)
{
Console.Write(name + " ");
}
Console.WriteLine();
// Iterate through mammal names in theZoo.
foreach (string name in theZoo.Mammals)
{
Console.Write(name + " ");
}
Console.WriteLine();
Console.ReadKey();
}
//<Snippet24>
static void Main()
{
Zoo theZoo = new Zoo();
theZoo.AddMammal("Whale");
theZoo.AddMammal("Rhinoceros");
theZoo.AddBird("Penguin");
theZoo.AddBird("Warbler");
foreach (string name in theZoo)
{
Console.Write(name + " ");
}
Console.WriteLine();
// Output: Whale Rhinoceros Penguin Warbler
foreach (string name in theZoo.Birds)
{
Console.Write(name + " ");
}
Console.WriteLine();
// Output: Penguin Warbler
foreach (string name in theZoo.Mammals)
{
Console.Write(name + " ");
}
Console.WriteLine();
// Output: Whale Rhinoceros
Console.ReadKey();
}
private void IteratorsUsage()
{
Zoo zoo = new Zoo();
zoo.AddMammal("Whale");
zoo.AddMammal("Rhinoceros");
zoo.AddBird("Penguin");
zoo.AddBird("Warbler");
PrintAnimalName(zoo);
PrintAnimalName(zoo.Birds);
PrintAnimalName(zoo.Mammals);
}