> So, that should mean that all I really have to do is defined the information in instance variables. Right?
>
>

There is however an important risk related to this approach.

AFAICT, you are not guaranteed that there is a SINGLE instance of each
servlet. It will be implementation-dependent.

So, either going for "static" and not instance variables, or following
Filip's or Yoav's advice are your best bets.

Antonio Fiol