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java-design-patterns/iterator/index.md
Markus 5ce932ceb7 Work on #213 
- properly categorize all patterns
- remove pattern list from readme
- minor fixes to readme
- removed "introduction" because its not a pattern and an error i
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2015-08-20 21:40:07 +02:00

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pattern Iterator iterator /patterns/iterator/ Behavioral Java

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: