JSP and JavaBean, hope it will help.

1) How Java works?
http://www.howstuffworks.com/program.htm

2) Calling JavaBeans from a JSP page- simple explaination
http://www.stardeveloper.com/articles/display.html?article=2001072001&page=1

3) What are JavaBeans?
http://www.stardeveloper.com/articles/display.html?article=2001071901&page=1

4) JavaServer pages and JavaBean Components, part 1
http://www.developer.com/tech/print.php/628721

5) jSP Overview
http://www.onjava.com/lpt/a/2556