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);
Iterator i = a.CreateIterator();
Console.WriteLine("Iterating over collection:");
object item = i.First();
while (item != null)
{
Console.WriteLine(item);
item = i.Next();
}
// Wait for user
Console.Read();
}
public ConcreteIterator(ConcreteAggregate aggregate)
{
this.aggregate = aggregate;
}
static void Main(string[] args)
{
ConcreteAggregate a = new ConcreteAggregate();
a[0] = "大鸟";
a[1] = "小菜";
a[2] = "行李";
a[3] = "老外";
a[4] = "公交内部员工";
a[5] = "小偷";
Iterator i = new ConcreteIterator(a);
//Iterator i = new ConcreteIteratorDesc(a);
object item = i.First();
while (!i.IsDone())
{
Console.WriteLine("{0} 请买车票!", i.CurrentItem());
i.Next();
}
Console.Read();
}
public ConcreteIteratorDesc(ConcreteAggregate aggregate)
{
this.aggregate = aggregate;
current = aggregate.Count - 1;
}
public ConcreteIterator(ConcreteAggregate aggregate)
{
this.aggregate = aggregate;
}