Java memory usage

Question

Dear All,
We have got quite a big java application and we have tried the code below towards the end and it is keep showing around 2Mb is that considered high and is this the right way to do it? We have closed all the statement and resutlsets immediately after using them. How to know if there is any memory leakage if the values goes more then 2Mb ?
Runtime runtime = Runtime.getRuntime();
// Run the garbage collector
runtime.gc();
// Calculate the used memory
long memory = runtime.totalMemory() - runtime.freeMemory();
System.out.println("Used memory is bytes: " + memory);

Answer 1

935486 wrote:
I have google and found many profile tool but then again you said no hard rules so wont really be much helpful. So in my case say we have now close all the resultset and statements properly that should not worry much I guess rite. Previously it keep growing which I guess the resources was not close properly. At least you won't have to worry about leaks being introduced through database stuff, no.
Anything else to be done to avoid out of memory exception? Thank you.Write proper code. Which means you have to write code with care. And have it reviewed by other people, that's something that people don't do enough anymore - let other people sniff through your stuff. They're bound to find things you just overlook.
@EJP, morgalr and Dr. Clap (and all other regulars who happen to read this but have not replied yet) - right? I'm not alone in thinking that about the code reviewing am I?