public void TestCase1()
{
var aggregate = new ConcreteAggregate();
aggregate[0] = "Apple";
aggregate[1] = "Orange";
aggregate[2] = "Strawberry";
var iterator = new ConcreteIterator(aggregate);
object item = iterator.First();
while (iterator.IsDone() == false)
{
Console.WriteLine(item);
item = iterator.Next();
}
}
static void Main(string[] args)
{
ConcreteAggregate a = new ConcreteAggregate();
a[0] = "Item A";
a[1] = "Item B";
a[2] = "Item C";
a[3] = "Item D";
ConcreteIterator i = new ConcreteIterator(a);
Console.WriteLine("Iterating over collection:");
object item = i.First();
while (item != null)
{
Console.WriteLine(item);
item = i.Next();
}
Console.ReadKey();
}