layout, title, folder, permalink, pumlid, categories, tags
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pattern | Iterator | iterator | /patterns/iterator/ | FSV13OGm30NHLg00uljsOu85HeaJsTzB-yjfBwCtgrfjUKXwMovWneV8-IcduiezGxmEWnXA7PsqvSDWfvk_l1qIUjes6H2teCxnWlGDOpW9wdzAUYypU_i1 | Behavioral |
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Also known as
Cursor
Intent
Provide a way to access the elements of an aggregate object sequentially without exposing its underlying representation.
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