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A virtual base class ?

  • is qualified as virtual in base class definition.
  • do not qualified as virtual in base class definition.
  • allows to inherit more than one copy of the base class members.
  • strict the path of inheritance.

Answer: Option A

Similar Questions :

1. Which variables cannot be declared ?

  • structure
  • pointer
  • class
  • void

Answer: Option D

2. Which among following is not a valid visibility mode in c++ program ?

  • Private
  • Public
  • Protected
  • Limited

Answer: Option D

3. Destructors are called ?

  • not defined
  • in any order
  • in the reverse order of constructor calls
  • in the same order of constructor calls

Answer: Option C

4. The advantage of declaring a virtual function as pure is
?

  • programs runs faster
  • early binding can be achieved
  • you force any derived class to define its own implementation
  • you can avoid making the class an abstract class

Answer: Option C

5. Which is more memory efficient ?

  • structure
  • union
  • both use same memory
  • depends on a programmer

Answer: Option B

Read more from - C++ Programming Questions Answers - Set 2
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