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java-design-patterns/composite/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 Composite composite /patterns/composite/ Structural Java

Intent: Compose objects into tree structures to represent part-whole hierarchies. Composite lets clients treat individual objects and compositions of objects uniformly.

alt text

Applicability: Use the Composite pattern when

  • you want to represent part-whole hierarchies of objects
  • you want clients to be able to ignore the difference between compositions of objects and individual objects. Clients will treat all objects in the composite structure uniformly

Real world examples: