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Applications built today without the services of Enterprise JavaBeans require quite a bit of overhead code, particularly in the area of transaction management and SQL execution. The open-source container used in the Remulak example is the Apache Tomcat product.
Servlets and JavaServer Pages working together are called the Model 2 approach to the MVC pattern. Servlets act as the first line of defense to the browser and route all the traffic. They play the role of user interface controller. The container knows to execute a given servlet via the web.xml descriptor. All container products, whether commercial or open source, use the web.xml descriptor.
The use-case control class has a one-to-one mapping to a use-case. Each ...
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