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This forum is devoted to JSP questions. I'll move this thread to the Java In General (Intermediate) forum where it will stand a better chance of getting a good answer.
Again, welcome to JavaRanch and good luck with your question. -Ben
What's a function point? Do you mean you want to calculate the running time of a method or manipulation? Have you been through the java.lang.System class? Have you found the two methods which return times yet?
If you're doing function point analysis to estimate project size, duration, cost, etc, we probably ought to move this down to the Agile and Other Processes (XP, Scrum, RUP, etc) forum. Google for "function point estimate" first to see what it's all about. Here's the IFPUG site for one example.
A good question is never answered. It is not a bolt to be tightened into place but a seed to be planted and to bear more seed toward the hope of greening the landscape of the idea. John Ciardi