virtual void display() = 0; // this is called with no function commonly known with [pure virtual function]. //void color_display(){} = 0;, **** this is the function ...

Also called an "abstract superclass," in object technology, it is a class created as a master structure. No objects of an abstract class are created, rather subclasses of the abstract class are ...

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 ...

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 ...