Question

What is the purpose of interfaces in UML?

a.

To provide access to all the properties of a class

b.

To increase the robustness of a model by restricting access to properties needed

c.

To define different interfaces to different client classes

d.

To provide implementation for all its features

Posted under Software Engineering

Answer: (b).To increase the robustness of a model by restricting access to properties needed Explanation:Interfaces are a useful means to split the set of properties of a class into subsets, in case other classes only need access to subsets of those properties. They are often used to increase the robustness of a model, by restricting access to properties really needed.

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