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.NET Framework MCQs

What is the Liskov substitution principle?

Many client-specific interfaces are better than one general-purpose interface.

Objects in a program should be replaceable with instances of their subtypes without altering the correctness of that program.

A class should have only a single responsibility — that is, only changes to one part of the software's specification should be able to affect the specification of the class.

Software entities should be open for extension, but closed for modification.

Answer

Correct Answer: Objects in a program should be replaceable with instances of their subtypes without altering the correctness of that program.

Explanation:

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