Question Detail

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.
Similar Questions :

1. What is purpose of abstract class ?

  • to provide help with database connectivity.
  • to provide data input to other classes.
  • to provide security to other classes.
  • to provide an appropriate base class from which other classes can inherit.

2. How we can define member function outside the class ?

  • Using union
  • Using structure
  • Using pointers
  • Using scope resolution

3. What is true about Constructor ?

  • Its name is plural of class name.
  • Its name has * symbol before it.
  • Its name is same as of class name.
  • Its name has # symbol before it.

4. Which variables cannot be declared ?

  • structure
  • pointer
  • class
  • void

5. 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
Read more from - C++ Programming Questions Answers - Set 2