Are you getting ready for your next career move? And Java is your preferred tool -well its worth getting through interviewers mind set and acquaint with commonly asked questions. Yeah, agree, a simple Google search will get you a “lot of stuff” -one specific can be tried here. In fact this is bit uncommon, I have not faced 50% of these in any of my interview! but then who knows, writer can turn out to be next interviewer 🙂