Infosys Developer interview questions

2 member panel took my interview, they Started by asking about the architecture of my current project, my role etc, questions were mostly like, can we make tostring method as static?, can we make class ref as null and call static method on that?, SQL query to find third lowest salary taken by employee in a department , Hashmap internals, why does intial array in Hashmap is 2^4 , object oriented concepts, Day to Day tasks done in my current project, also if you have mentioned about framework, they might ask few questions from that, overall its fairly average interview, emphasis was given on your current project , role than programming