Abstract Factory Design Pattern
Get the Code Here: http://goo.gl/AZU3C
Best Design Patterns Book : http://goo.gl/W0wyie
Here is my Abstract Factory design pattern tutorial. I also take a second look at the Factory design pattern here as well.
This is considered a hard pattern to understand, but I consider it to be a combination of all you have learned previously. You just need to understand that each step is separated by either a abstract class or an interface. This makes it possible to make extremely flexible objects.
