This week's giveaway is in the EJB and other Java EE Technologies forum. We're giving away four copies of EJB 3 in Action and have Debu Panda, Reza Rahman, Ryan Cuprak, and Michael Remijan on-line! See this thread for details.
I'm not sure what you mean by "returns a value" - a web page is an HTML stream; is that what you mean by value? If so, have a look at this thread, which discussed including the content of web pages in a JSP or servlet.
Ping & DNS - updated with new look and Ping home screen widget