//TEST 3
public void MilkAnimals(IMilkableAnimal milkableAnimal)
{
//Console.WriteLine("Cannot identify the farm animals which can be milked");
foreach (IAnimal animal in _includeAnimals)
{
if (animal is IMilkableAnimal)
{
Console.WriteLine(animal.GetType().Name + " was milked!");
}
}
}
//TEST 3
public void MilkAnimals(List <IAnimal> animals)
{
//Console.WriteLine("Cannot identify the farm animals which can be milked");
foreach (IAnimal animal in animals)
{
foreach (Type tinterface in animal.GetType().GetInterfaces())
{
if (tinterface == typeof(IMilkableAnimal))
{
//Console.WriteLine("Cow was milked");
IMilkableAnimal milkable = (IMilkableAnimal)animal;
milkable.ProduceMilk();
}
}
}
}
//TEST 3
public void MilkAnimals()
{
if (animalStock.Count > 0)
{
foreach (var animal in animalStock)
{
//judge whether the animal implement IMilkableAnimal interface
if (animal is IMilkableAnimal)
{
IMilkableAnimal milkAnimal = animal as IMilkableAnimal;
milkAnimal.ProduceMilk();
}
}
}
else
{
Console.WriteLine("There are no animals in the farm");
}
}
