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ServletWebApp (on Java Platform) typically consists of Servlets, JSP pages, tag libraries, and supporting Java classes such as beans as well as various static resources such as HTML pages and image files. All these elements are interconnected or related with each other, and as such WebApp is generally considered a minimal unit of which web sites are made. However, even a simple WebApp can be divided into many (mutually-dependent) functional units. Though many of these units are logically or functionally independent of each other, they are tightly integrated due to the physical constraints. The integration points are
* Sharing of directory structures
* Common use of the WebApp deployment descriptor file, web.xml
* Sharing of some common resources, such as style files
Servlet Module is a sub-unit of WebApp that can be easily integrated into WebApps in a Plug and Play fasion.
PPC Management
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