This code is from the coreservlets.com JSF 2.0 tutorial.
There is also a variety of other free
J2EE tutorials (servlets, JSP, JSF 2.0, Ajax [with jQuery], GWT, Spring, Hibernate, JPA,
SOAP-based and RESTful Web Services, Android development, & Java 6 programming)
as well as live instructor-led training courses on
the same J2EE topics (servlets, JSP, JSF 2.0, Ajax [with jQuery], GWT, Spring, Hibernate, JPA,
SOAP-based and RESTful Web Services, Android development, & Java 6 programming).