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.
Well done working it out. When asking for help, it is always worthwhile copying-and-pasting: see this and the other FAQs on that page. Even the tiniest spelling error can cause code to fail, or even worse, to produce incorrect results.