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In this chapter we've seen the requirements for the sample app. This is the commonest type of J2EE app – a web app using a relational database. The discussion in the rest of the tutorial will use the process of implementing this app to illustrate the J2EE design and implementation concepts discussed. In the next chapter we'll take a closer look at options for J2EE architecture, and define a high-level architecture for the sample app. In to we'll look at data access options for use in J2EE apps, and how we can efficiently implement the ticketing app's data access requirements. In we'll look at how a generic app infrastructure can be used to solve many common problems, and how it simplifies app-specific code. In and we'll look at implementing web interfaces in J2EE apps, using the reservation use case from the sample app to illustrate how to use the MVC architectural pattern. In we'll look at J2EE app deployment, showing how to package the sample app and deploy it on JBoss 3.0.0.
In we'll look at meeting the performance targets identified above.
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