7. Gang of Four Pattern Compositions
At this point, you have seen the full method-call EDP catalog and several examples of patterns that are formed by combining them. In this chapter, we take that process to the next level, showing how the patterns in Chapters 2 and 6 can be combined to form a few of the Gang of Four (GoF) design patterns that developers are most familiar with.
Six GoF patterns are discussed in this chapter, two each from the Creational, Structural and Behavioral families as defined in Design Patterns. These additional patterns provide a foundation for working with other design patterns on this level. Why only six? Although every design pattern can be described in terms of EDPs, not all design patterns can be adequately described ...
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