Though type is an extremely important object-oriented concept, it is often overlooked in favor of implementation-centric concerns. Java program development is as much about design as about ...

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 classes ...

I'm trying to model some data in code and i'm a bit confused on what should be an abstract class vs an interface, and why i can't override an abstract property with a property of an inherited type. is ...

The Bridge Pattern is a common software design pattern that allows a class's implementation to be decoupled from its abstraction so the two can vary independently of one another. Today I'll cover the ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Programming to the interface is a common concept among object-oriented programmers. It provides ...