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IBM WebSphere: Deployment and Advanced Configuration by Roland Barcia, Keys Botzum, Tom Alcott, Bill Hines

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J2EE Web Application Technologies

As stated in Chapter 2, “J2EE Applications,” most J2EE applications make use of the core technologies: Servlets, JSP, JDBC, JNDI, and EJB. This chapter will focus on the web technologies, namely Servlets and JSPs. This is not a programming book, so only the role these technologies play in J2EE applications will be described.

Servlets

Servlets are one of the earliest and most central technologies of the J2EE specification. Servlets are Java classes that process requests and construct responses dynamically. Responses are usually constructed HTML web pages that are returned to a browser; however, Servlets can generate other response types, such as other Java classes or XML documents. A developer is required to override ...

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