For example, abstract classes can be created by using a keyword like abstract, by inheriting the abstract type or from including an abstract method. The following snippet of code has two classes, ...

Readers have returned quite a bit of feedback concerning, “Abstract Classes Vs. Interfaces” from April 2001. A recurring request asks to see a complete example of using interfaces and abstract ...

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 ...