Strategy

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Interchangeable algorithms, runtime selection. Define a family of algorithms, encapsulate each one, and make them interchangeable. Strategy lets the algorithm vary independently from clients that use it.

Key Properties

• Algorithm Encapsulation
• Context and Strategy
• Runtime Selection

Related

• State Pattern (similar structure, different intent)
• Template Method (inversion: subclass vs delegation)
• Bridge (similar structure at architectural level)

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design-patterns behavioral strategy