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2017-11-28 20:55:52 +02:00
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pattern Iterator iterator /patterns/iterator/ FSV13OGm30NHLg00uljsOu85HeaJsTzB-yjfBwCtgrfjUKXwMovWneV8-IcduiezGxmEWnXA7PsqvSDWfvk_l1qIUjes6H2teCxnWlGDOpW9wdzAUYypU_i1 Behavioral
Java
Difficulty-Beginner
Gang Of Four

Also known as

Cursor

Intent

Provide a way to access the elements of an aggregate object sequentially without exposing its underlying representation.

alt text

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

Real world examples

Credits