This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
Can someone give feedback on controlling change with web services?
Q: If we have a web service running in production with existing users, but we want to add additional optional elements to the request, will this require a coding change for existing users? Or will it be seamless to them?