CHAPTER 3
Design Patterns and Architechture
The term “Design Pattern” in software engineering refers to a known arrangement of software components that solves a particular problem. These structures provide both a known terminology and known implementation such that once the particular problem is identified, the known structure can be applied. One of the earliest formal definitions of software patterns is detailed in Design Patterns: Elements of Reusable Object-Oriented Software (Gamma et al., 1994), sometimes referred to as the “Gang of Four” (GoF) because of the four original authors. That work has been the inspiration for several updated and ...
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