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 ...

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

What does abstract class actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

The difference between abstract classes and interfaces has long vexed Java developers. Find out how Java 8's default methods introduce both new complexity and new options to that familiar ...