Thanks for the Java instructions.
Here is what I found out I have regarding the Java.

java version "1.4.2_09"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_09-233)
Java HotSpot(TM) Client VM (build 1.4.2-56, mixed mode)

As for the Memory activity, I am still doing the research.
I am using LimeWire Pro 4.10.5 Java 1.4.2_09 according to the "About LimeWire"