Iterator Pattern

• Client
• Keeps a Collection object and uses a foreach statement to iterate over it
• IEnumerable
• A defined interface in C# for the operation GetEnumerator
• Collection
• A data type containing or having the ability to generate a collection of values
• GetEnumerator
• A method that supplies the values in sequence
• OtherOps
• Other methods that supply Collection values in different sequences with different filters and transformations