This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
For simple questions like this, it's best to try it out yourself. That way you not only get an answer to your question, but you also learn more about how Java works. You learn a lot by experimenting, trying things out.