This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
I'm not sure what you mean by "single Project". Do you mean a non-Struts application? Sure, you can import those classes and their dependencies, but it is the Struts framework that makes those classes useful.