This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
That's the point, the JVM is handling the issues with the os, so I can write one set of code and it will work in ANY properly built JVM. It is my application code that is platform independant, not the JVM or JRE.
"JavaRanch, where the deer and the Certified play" - David O'Meara