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.
You can check the API documentation:
Java5API and choose the class java.io.PrintStream.printf(String format, Object... args)
If you have read that, go further on the format section: format string format Regards,