Technical Discussion :: C++
Home > Freshers > Technical Interview Questions > C++
10. What do you mean by pure virtual functions?
Answer:
A pure virtual member function is a member function that the base class forces derived classes to provide. Normally these member functions have no implementation. Pure virtual functions are equated to zero.
class Shape { public: virtual void draw() = 0; };
Asked In :: Virtusa Sapient
A pure virtual member function is a member function that the base class forces derived classes to provide. Normally these member functions have no implementation. Pure virtual functions are equated to zero.
class Shape { public: virtual void draw() = 0; };
class Shape { public: virtual void draw() = 0; };