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 ...

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 ...

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 ...

Apparently, it's not possible to create a collection with an abstract type in STL. How do I go around the problem of creating a collection with a base abstract type and using that collection with a ...