June 23, 2019
Pure virtual function
Pure static function
Pure Const function
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virtual void show()==0
void virtual show()==0
virtual void show()=0
void virtual show()=0
We can’t create its objects.
We can’t create pointers to an abstract class.
It contains at least one pure virtual function.
We can create references to an abstract class.
They must be non-static member function of the class
They cannot be friends
Constructor Functions cannot be virtual
All of these
For cout the over load >> operator
must be a member function
must be a non member function
can be both (A) & (B) above
cannot be overloaded
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