static void Main(string[] args)
{
// The client code may or may not know about the Concrete
// Iterator or Collection classes, depending on the level of
// indirection you want to keep in your program.
var collection = new WordsCollection();
collection.AddItem("First");
collection.AddItem("Second");
collection.AddItem("Third");
Console.WriteLine("Straight traversal:");
foreach (var element in collection)
{
Console.WriteLine(element);
}
Console.WriteLine("\nReverse traversal:");
collection.ReverseDirection();
foreach (var element in collection)
{
Console.WriteLine(element);
}
}
public AlphabeticalOrderIterator(WordsCollection collection, bool reverse = false)
{
this._collection = collection;
this._reverse = reverse;
if (reverse)
{
this._position = collection.getItems().Count;
}
}