layout, title, folder, permalink, categories, tags
| layout | title | folder | permalink | categories | tags | |
|---|---|---|---|---|---|---|
| pattern | Iterator | iterator | /patterns/iterator/ | Behavioral |
|
Also known as
Cursor
Intent
Provide a way to access the elements of an aggregate object sequentially without exposing its underlying representation.
Class diagram
Applicability
Use the Iterator pattern
- to access an aggregate object's contents without exposing its internal representation
- to support multiple traversals of aggregate objects
- to provide a uniform interface for traversing different aggregate structures