BEA WebLogic Server™ 8.1 Unleashed
by Mark Artiges, Gupreet Singh Bhasin, Bernard Ciconte, Malcolm Garland, Saranathan Govindarajan, James Huang, Subramanian Kovilmadam, Kunal Mittal, Paul J. Perrone, Tom Schwenk, Steve Steffen
Web Applications Defined
Web applications were originally introduced in the Servlet 2.2 specification, and are currently defined as follows by the Servlet 2.3 specification:
“A Web application is a collection of servlets, HTML pages, classes, and other resources that make up a complete application on a Web server.”
In other terms, a Web application is usually the layer between the Web client and the business layer, and acts as a bridge between them by passing the user requests to the business components and the processed response to the Web client.
A typical Web application consists of one or more of the following components:
Servlets— Read the input and perform simple operations, such as login and logout
JavaServer Pages— Used as presentation ...
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