This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
Some class that implements the HttpServletRequest or ServletResponse interface, respectively. Which class that is depends on the servlet container you're using; it doesn't make a difference to the servlet developer.