Inheritance and composition are two programming techniques developers use to establish the relationship between classes and objects. Whereas inheritance derives one class from another, composition ...

Java interfaces are different from classes, and it’s important to know how to use their special properties in your Java programs. This tutorial introduces the difference between classes and interfaces ...

So the Interfaces / Multiple Inheritance thread prompted me to post this, and I wanted to see what other arsians thought of this "theory". Note that the below applies directly to java, but I'd guess ...