Amazon Software Development Engineer Intern interview questions

Had applied online around end of December 2013 through their careers site. Got a call in 2 weeks to schedule an interview in coming 2-3 days. It was a simple process - two 45 min back-to-back interviews and that's it! Both the interviews had same format - few questions and then a coding problem. The questions were quite simple - included data structures, coding problems and OOP concepts. They also asked a couple of questions about design patterns. Everything pretty straightforward. Got to know about the result in about 2 weeks from the interview.

Applied through Career Fair and was called for on-campus interview. There were 2 rounds. Both of them were technical. They asked a total of 4 questions. Each interview lasted for about an hour roughly. In both the rounds, the interviewers asked couple of question related to my resume and then moved onto technical questions.