... 49 of 66 Design Pattern Framework™ 2.0 Design Patterns and Best Practices Patterns in Action 2.0 shows how you use of design patterns in a real-world e-commerce scenario. The design patterns ... in Patterns in Action 2.0. They are: 1) Gang of Four Design Patterns, 2) Fowler’s Enterprise Design Patterns, and a new category, 3) Service Oriented Architecture (SOA) Design Patterns. Gang ... Page 2 of 66 Design Pattern Framework™ 2.0 Design Patterns and Best Practices................................................................................50 Gang of Four Design Patterns: ....................................................................................50...