Using MVC in Designing Web Applications
A good strategy when designing your enterprise application is to have separate layers, each of which is unaffected by changes done on the other layers. The Model-View-Controller is a design pattern that is used to partition your Web applications into the following components (see Figure 7.8):
Model: A set of objects that represent the business logic of the application. This usually includes EJBs, JavaBeans, and other abstractions of real world entities.
View: Represented by JSPs as the user interface, which is necessary to construct the presentation. You can have multiple views for the same model.
Controller: Represented by servlets, which contain the necessary logic to process user events, manage screen ...
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