On college interview and it was like screening interviewee overall technical and aptitude.Tell me about yourself? Difference between Union and Union all. What technique is used to overcome closed hashing? What is your salary expectation. How many people in fairfield makes haircut in 6 months.

Initial screening was on campus. I was asked the very general Java questions like why did you choose Java? What is DI? How to swap two integers without using temporary variables? The technical interview was on next day. The interview asked 4 programming questions and 2 sql queries.