J2EE Pattern Relationships

A recent focus group of architects and designers raised a major concern: There seems to be a lack of understanding of how to apply patterns in combination to form larger solutions. We address this problem with a high-level visual of the patterns and their relationships. This diagram is called the J2EE Pattern Relationships Diagram and is shown in Figure 6.2. In Epilogue “J2EE Patterns Applied,” we explore example use cases to demonstrate how many patterns come together to form a patterns framework to realize a use case.

Individual patterns offer their context, problem, and solution when addressing a particular need. However, it is important to step back and grasp the big picture to put the patterns to their best use. ...

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