This week's book giveaway is in the General Computing forum. We're giving away four copies of Arduino in Action and have Martin Evans, Joshua Noble, and Jordan Hochenbaum on-line! See this thread for details.
If you implement Runnable you still have to pass your class to a Thread if you want to start it. Following the 'Favor Composition Over Inheritance' you most likely are always better off implementing Runnable than extending Thread.
JDBCSupport - An easy to use, light-weight JDBC framework -