Publish Web Project

Note:

/ProjectName

/ProjectName/WEB-INF  : this contains the web.xml , it's the fixed folder.

/ProjectName/WEB-INF/classes: this contains theclass files and the servlet class files. It's also afixed folder.

/ProjectName/WEB-INF/lib:  this contains the jar files which the web application need them to support the web .It's the fixed folder.

Others folders , like the CSS folders and JS folders , their should be contained  in the Project root directory.