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2019-01-31 19:58:32 +01:00
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2019-01-31 19:58:32 +01:00

Strategy

Strategy defines a family of algorithms, encapsulates each one, and makes them interchangeable. It lets the algorithm vary independently fromclients that use it. The pattern has behavioral purpose and applies to the objects.

When to use

  • many related classes differ only in their behavior
  • you need different variants of an algorithm
  • an algorithm uses data that clients shouldn't know about