CHAPTER 9

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EJB 3 Performance and Testing

As developers, we are always trying to find the most efficient way to write code that delivers the highest performance. Over the years, we have learned that some of the assumptions we make are not always right and that certain programming models and techniques that we use do not achieve the expected level of performance. The surprise here is that most of the time, our expectations are defeated with models and techniques that our logic and gut feelings tell us are best.

Performance of computer systems is a very complex issue. Just think about the following: We are programming a piece of Java code that takes ...

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