JBuilder is quite friendly tool. You just install it and click on
File>New menu. It will pop up a window . You select Web Tab and then
click on Java Server Page. You will be asked few more question on
next screens . Just click on Next page if you do't know about
different options.It will create a jsp  page with a sample bean  as
well.

To view the output of jsp page just select the page in left panel.
Right click on it and click on Run in web.

if you still have any problem  tell me. OK.