C Abstract Base Class Destructor

No objects of an abstract class can be created except for base subobjects of a class derived from it and no non static data members of an abstract class can be declared.

C abstract base class destructor. For example the destructor for class string is declared. If not then only the base class destructor is invoked at the time of object deletion. Pure virtual destructor must be implemented. A destructor has the same name as the class preceded by a tilde.

A destructor is a member function that is invoked automatically when the object goes out of scope or is explicitly destroyed by a call to delete. If a class has at least one pure virtual function it becomes abstract. Destructors in c automatically gets called in the order of their constructions derived then base only when the base class destructor is declared virtual. C provides possibility to create pure virtual destructors.

Introduction to abstract class in c an abstract class is a class that is declared with an abstract keyword which is a restricted class hence cannot be used to create objects however they can be subclassed. The empty implementation for the pure virtual function ensures that at least some implementation exists for the function. To access abstract class it must be inherited from another class.