// An abstract class is a special class containing abstract methods. // The significance of abstract class is that the abstract methods inside it are not implemented and only declared. // So as a ...

// Abstraction is the process of hiding the implementation details of an object or a system from the outside world. // Abstraction is a fundamental concept in object-oriented programming (OOP) that ...

Apparently, it's not possible to create a collection with an abstract type in STL. How do I go around the problem of creating a collection with a base abstract type and using that collection with a ...

Hi,<BR><BR>I have a base class whose destructor is pure virtual, so the class is abstract.<BR><BR>I have a derived class (subtype) whose multi-argument constructor wants to call the base class's zero ...