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.
Getting an InputStream from hwere to read the URL contents can be as easy as
An example of how to use the SAX API to parse XML can be found here. Note that where it uses "System.in" you would use the InputStream you obtained from the line of code above.