[Java] Resolve your confusion between 'Interface vs Abstract Class' once and for all! A versatile mental model for the workplace

So, which one should I actually use: an interface or an abstract class?It's a massive wall that everyone hits at least once while learning Java. That is the 'Interface vs Abstract Class' problem.When ...
Ars Technica

The proper use of 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 ...
InfoWorld

When to use abstract classes vs. interfaces in Java

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs. Abstract classes and ...