This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Suppose that i have a web service that is being invoked by a 3rd part app. and this web service has to access a module in another system(let's say an engine). can this be done ? if yes, is it a bad design and how ?