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java-design-patterns/iterator/README.md
Ilkka Seppälä e57a0948ef Merge pull request #490 from iluwatar/DocumentUsages 
#211 Document GoF usages from Java API
2016-09-03 14:14:13 +03:00

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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