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Scala MCQs

Choose the best description for the variance expression as following?
A[B <: C]

A[B <: C] means that class A can take any class B that is a subclass of C.

A[B <: C] means that class B can take any class that is a subclass of C.

A[B <: C] means that class A can take any class B that is a subclass of C and propagate the subclass relationship.

A[B <: C] means that class A can take any class A that is a subclass of C.

Answer

Correct Answer: A[B <: C] means that class A can take any class B that is a subclass of C.

Explanation:

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