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Sams Teach Yourself J2EE™ in 21 Days by Peter Roxburgh, Andy Longshaw, Debbie Law, Dan Haywood, Martin Bond

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Patterns in Context

You now know some of the common patterns that can be applied in J2EE applications. Using this knowledge, you can analyse the case study followed throughout the book to see how they can be applied.

Analysing the Case Study

Patterns are usually best understood in context. It helps to understand the intention of the design (and its associated code) and what it is trying to achieve so you can understand why a particular pattern helps in that situation. By examining the code for the case study, this section intends to

  • Identify some of the places where J2EE patterns have been applied in the case study

  • Examine some of those patterns in detail, including how the pattern looks in code

  • Consider what other patterns could have been applied ...

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