This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
Also, please note that identifiers may not begin with a digit. But digits are allowed as the second or subsequent characters. This is primarily to avoid conflicts with numeric literals (e.g. 1L or 1.0f).