What is the directory structure of a JEE (Java Enterprise Edition) web application

WEB-INF/web.xml
- is the web application deployment descriptor.
- required in all web application in all platforms
- standard way of configuration the web application
- contains for example the config info for your servlet

WEB-INF/weblogic.xml
- contains the config info that is specific to weblogic server
- includes info on how to map resources in the web.xml to resources that exist elsewhere in the physical weblogic server env

WEB-INF/classes
- contains the java classes that are part of the web application

WEB-INF/lib
- contains jar files and any other needed libraries for this Web application.