When to use the adapter design pattern You JavaChamp Team Flash Card

Question 6 / 69: You are trying to add a class already written in another application to serve clients, beside other classes, in your system. All other classes have the same interface, the incoming class has a totally different interface than the clients expect, but contains all required functionalities.

What kind of refactoring is needed to make this class fit in with minimum changes in your system?

A apply the Proxy Pattern

B apply the Adapter Pattern

C create a new class which implements the expected interface and copy and paste the code from
the class in the other application to this new class

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Explanation:

The Adapter pattern converts the interface of a class into an interface that a client expects.

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