not quick and dirty. You instead of fielding Button press events , you
get submit messages when the user hits each button.  You must set up
an HTML form with every button a submit so that when you hit, it sends
the entire form off to the server.

This way of operating takes us back to the early 70s.  Surely we must
put some intelligence back into the client for faster response, and
instantaneous notification of error.

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Canadian Mind Products, Roedy Green.
Coaching, problem solving, economical contract programming.
See http://mindprod.com/jgloss/jgloss.html for The Java Glossary.

GPA = (sum of all grades)/(number of classes)

Servlet class must extend HttpServlet.

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now with more cowbell