This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
The implementing class is not required to be anonymous.
It is provided through the jars you keep in your classpath.
for example ojdbc14.jar or classes12.jar provided by db vendors like (oracle) or third parties that provide jdbc drivers.