B.0. J2EE: A Brief Overview

The primary offerings of J2EE are Servlets, JavaServer Pages (JSP), and Enterprise JavaBeans (EJB). Each of these technologies serves a different purpose in the context of application development. However, Servlets and JSP are quite similar, whereas EJB is rather different. We'll point out the primary elements of each of these technologies. Our discussion in this section isn't intended to be an in-depth introduction but instead a high-level overview.

B.0.1. Servlets

In the following sections, we first discuss Servlets from a Java perspective. Then, we discuss how Servlets can be represented and mapped to the UML.

B.0.1.1. Java

A Java Servlet responds and replies to requests from clients. The most common type of request ...

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