Summary
This chapter provided an introduction to J2EE and using distributed components to create an application. We examined the various packages that are commonly associated with J2EE and examined the Web tier and business tier components in additional detail.
We saw that distributed components are logically organized into tiers, groups of components that generally have some physical or logical relation to one another. These logical tiers are an important part of the architectural process. They are used to set guidelines for the design of the components that comprise an application. In the architectural process, associating a component with a specific logical tier identifies the responsibilities of the component. These responsibilities in turn ...
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