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.
those must be of java 1.4.... if you are giving java 6 ... i am sure they have many more important things to test you on like collections,generics, console & navigablemaps & sets. i would suggest you not to focus so much on it. try and remember a few of them.