What are the applicable scenarios for the adapter pattern?

Applicable scenarios for the adapter pattern include: 1. You want to use an existing class, but its interface does not meet your needs; 2. You want to create a class that can be reused, and the class can be changed with Other unrelated classes or unforeseen classes work together; 3. You want to use some existing subclasses, but it is impossible to subclass each one to match their interface.

Adapter pattern

Converts the interface of a class into another interface that the client wants. The Adapter pattern enables classes that would otherwise not work together due to incompatible interfaces to work together

Applicability

• You want to use an existing class, and its interface does not meet your needs

• You want to create a reusable class, and the modified class can be compatible with other unrelated classes or unforeseen (may be incompatible ) classes work together

• You want to use some existing subclasses, but it's not possible to subclass each one to match their interface

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