This week's book giveaway is in the Performance forum. We're giving away four copies of The Java Performance Companion and have Charlie Hunt, Monica Beckwith, Poonam Parhar, & Bengt Rutisson on-line! See this thread for details.
Might be difficult to find such an example in a portlet. Just not the same vast amount of info on portlets as there is in Servlets/JSPs. It should be the same, regardless, though. A flyweight is a flyweight.