Understanding the differences between an abstract class and interface is key to designing loosely coupled and extensible applications.

What is an abstract class? An abstract class is a template definition of methods and variables in a specific class, or category of objects. In programming, objects are units of code, and each object ...

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 ...

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