Ars Technica

C++::Derived class wants to call Base abstract class constructor

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 ...
Ars Technica

C++ STL and abstract class in collection

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 ...
InfoWorld

Abstract class versus interface in the JDK 8 era

In The new Java 8 Date and Time API: An interview with Stephen Colebourne, Stephen Colebourne tells Hartmut Schlosser, “I think the most important language change isn’t lambdas, but static and default ...
InfoWorld

Exploring virtual and abstract methods in C#

The C# programming language provides support for both virtual and abstract methods, each of which has distinct advantages. You use virtual methods to implement late ...