There are two types of Web projects:dynamic and static.
Dynamic web projects can contain dynamic java EE resource such as:
1.servlets
2.JSP files
3.filters
4.static resources,suach as images and HTML files
5.associated metadata
static web projects only contaions static resources.
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**Web Deployment Descript
The standard Web application deployment descriptor
**JavaSource
Contains the project's Java source code for classes,beans, and servlet.
When these resources are added to a Web project,they are automatically compiled and the generated files are added to the WEB-INF/ classdirectory
**imported_class folder
This folder may be created during a WAR import
**WebContent folder
The mandatory location of all Web resources,including HTML,JSP,graphic files
and so on.If the files are not placed in this directory or in a subdirectory structure under this directory,this files will not be available when the application is executed on a server.
****META-INF:
This directory contains the MANIFEST.MF file,which is used to map class paths for dependent JAR files that exist in other projects in the same Enterprise Application project.
****WEB-INF:
this directory contains the supporting Web resources for a Web application,including the web.xml files and the classes and lib directories.