Now that you've seen how to build simple web applications that generate web pages, you can learn more about JSP, SQL, Tomcat, and MySQL by consulting the following texts:
MySQL Cookbook, by Paul DuBois (O'Reilly)
JavaServer Pages, by Hans Bergsten (O'Reilly)
Java Servlet Programming, by Jason Hunter (O'Reilly)
Tomcat: The Definitive Guide, by Jason Brittain and Ian Darwin (O'Reilly)
The next two chapters look at how to install and work with Enterprise JavaBeans and JBoss to build more complex web applications, and how to use web services to integrate different web-based systems.