Abstract Factory - a factory of factories
After learning about the factory design pattern, where we grouped a family of related objects in our case payment methods, one can be quick to think--what if I group families of objects in a more structured hierarchy of families?
The Abstract Factory design pattern is a new layer of grouping to achieve a bigger (and more complex) composite object, which is used through its interfaces. The idea behind grouping objects in families and grouping families is to have big factories that can be interchangeable and can grow more easily. In the early stages of development, it is also easier to work with factories and abstract factories than to wait until all concrete implementations are done to start your ...