Finding Memory Usage in Java

Question

Following is the scenario i need to solve. I have struck with two solutions.

I need to maintain a cache of data fetched from database to be shown on a Swing GUI. Wheneve

Answer 1

Look into JConsole. It graphs the information you need so it is a matter of adapting this to your needs (given that you run on a Sun Java 6).

This also allows you to detach the surveiling process from what you want to look at.