public static void MainCaller()
{
int i = 0;
IShoppingListAggregator shoppingList = new ShoppingListAggregator();
shoppingList.add("Tomatoes");
shoppingList.add("Onions");
shoppingList.add("Potatoes");
shoppingList.add("Milk");
shoppingList.add("Bread");
IShoppingListIterator items = shoppingList.createIterator();
Console.WriteLine("Shopping List : ");
while (items.next())
{
string item = (string)items.currentItem;
Console.WriteLine($"item {++i} : {item}");
}
Console.ReadLine();
}
public ShoppingListIterator(ShoppingListAggregator aggregator)
{
_aggregator = aggregator;
index = -1;
}
