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.
It was a decision that the creators of Java took. There is a constant debate as to whether case sensitive languages are in any ways better than case insensitive ones. Do a search, you might stumble upon quite a few interesting reads.