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UML interfaces are used to:

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UML interfaces are used to:

(a) specify required services for types of objects

(b) program in Java, but not in C++ or Smalltalk

(c) define executable logic to reuse across classes

(d) define an API for all classes

I have been asked this question during an internship interview.

Query is from Unified Modelling Language topic in division Design and Implementation of Software Engineering

1 Answer

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Correct choice is (a) specify required services for types of objects

Explanation: An interface is like a template design for a class that contains no data or implementation; only definitions for methods, properties etc.

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