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.
I can only speculate at the intentions of the developers (you could always search the developer mailing lists) but what jumps out at me is that it declares instance variables and methods that do things. One can't do that with an interface. [ May 28, 2008: Message edited by: Joe Ess ]