____ contain no implementation details for any of their methods. Instead all their members are considered abstract.
A) Abstract classes
B) Interfaces
C) Virtual classes
D) Base classes

Question

____ contain no implementation details for any of their methods.  Instead all their members are considered abstract.
A) Abstract classes
B) Interfaces
C) Virtual classes
D) Base classes

Quizplus · Accepted Answer

Interfaces contain only method signatures and no implementation details, unlike abstract classes that can contain both abstract and non-abstract members. Virtual classes and base classes are not standard terminology in OOP.

____ Contain No Implementation Details for Any of Their Methods