A web application is a collection of servlets, html pages, classes, and other resources that can be bundled and run on multiple containers from multiple vendors. A web application is rooted at a specific path within a web server.
The contents of the WEB-INF directory are: /WEB-INF/web.xml deployment descriptor /WEB-INF/classes/* directory for servlet and utility classes. The classes in this directory are used by the application class loader to load classes from. /WEB-INF/lib/*.jar area for Java ARchive files which contain servlets, beans, and other utility classes useful to the web application. All such archive files are used by the web application class loader to load classes from.
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Filed under: Servlets
