static void Main(string[] args)
{
object[] arr = { "1", "2", "3", "4", "5", "6" };
var aggrate = new ConcreteAggrate(arr);
Console.WriteLine("this is for loop!");
for (var i = 0; i < aggrate.GetSize(); i++)
{
Console.WriteLine(aggrate.GetElement(i));
}
Console.WriteLine("this is iterator loop!");
IIterator iterator = aggrate.GetIterator();
while (!iterator.IsDone())
{
Console.WriteLine(iterator.GetElement());
iterator.MoveNext()
;
}
Console.ReadLine();
}