What are the applicable scenarios for the Strategy Pattern?
Applicable scenarios for the strategy pattern include: 1. Many related classes simply behave differently; 2. Different variants of an algorithm need to be used; 3. The algorithm uses data that the customer should not know; 4. A Classes define a variety of behaviors, and these behaviors appear in the form of multiple conditional statements in the operations of the class.
Strategy pattern
Define a series of algorithms, encapsulate them one by one, and use They are interchangeable. This pattern allows the algorithm to vary independently of the client using it
Applicability
Many related classes simply behave differently. "Strategy" provides a way to configure a class with one of multiple behaviors
requires the use of different variants of an algorithm
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The algorithm uses data that the client should not know. Avoid exposing complex, algorithm-related data structures
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A class defines multiple behaviors, and these behaviors appear in the form of multiple conditional statements in the operation of the class
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