The abstract factory design is used to a set of related instances without specifying the concrete classes — it uses the factory method design pattern to create instances of classes.

The Factory design pattern is a simplified form of the Builder pattern. In essence, you would want to use the Builder design pattern when you need to create a complex object in a step by step manner.

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 ...