JMX : Getting Heap Memory Utilization From Server

[ranua agarwal]

Hi,

Finally, i got the best place to learn technologies from masters.
Firt of all, thanks to the creator of javaranch.

Well, i am trying to implement a task.
Some servers url i have, where some sites are running.
Now, what i need to get the information of used heap memory on some recurring interval, let's say 1 hour.
Can somebody provide the to achieve it?
Some seniors are saying for creation of JMX datasource. Is it good go.
How to do in this way.