use of wrapper classes
J2ee Developer Interview Questions
513 j2ee developer interview questions shared by candidates
HashMap.get complexity - how internally works
How to use multiple databases in hibernate, does it required different config configurations files? Can we use different databases using the same session?
password encryptor
SQL query
what is a bean in spring?
Questions are mainly on core java concepts. So refresh your core java skills. Then a bit of servlets and do read about SQL also.
How good is he in Collection framework? - this is not difficult but this type of questions helps to understand communication skill and thought clarity of a candidate, which I learnt later on after joining them. How good he is in presenting his point of view.
they asked dbms related questions like diff between drop and delete use of like operator etc
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