Imagine you are creating a game that contains many different classes of things; there are players, monsters, and objects that can be picked up. In addition, magic spells can change the classification ...

Extensible applications allow you to add functionality without rewriting your application: you dynamically select the classes that make up your application at runtime rather than design time. I once ...

This article discusses the strength and weakness of applying Dependency Injection (DI) with a variant of Abstract Factory design pattern. This approach is especially suitable for such scenarios as ...