1st round technical question (multiple choice questions) 2nd round technical interview(F2F) in technical round they asked about self introduction, core java questions and collections differeces between throw and throws differece between final, finally and finalize difference between Hashset and linkedhashset

It was hard. LC mid level backtracking questions. There were 3 rounds. I passed the first 2, but the third one was much harder than the previous two. I did not pass the third round