Intermediate Structural Design Patterns

Test your Intermediate-level Design Patterns Structural Design Patterns skills in Software Architecture Design. This timed assessment evaluates your expertise in Information Technology.

Duration: 5 minutes

•40 questions

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40 questions remaining

Question 1 of 40Assessment

In the Decorator pattern, why is it common to have an abstract Decorator base class between the interface and the concrete decorators?

A. To force the concrete decorators to implement all methods of the interface from scratch.

B. To store the reference to the wrapped object and provide default delegation to it.

C. To prevent the client from instantiating the decorators without a valid object to wrap.

D. To allow the concrete decorators to inherit from multiple different interface types.

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