Amazon Software Development Engineer (SDE I) interview questions

it was a 3hr interview, two leetcode, 1 system design and 1 behavioral. One round was bar raiser. The process is pretty simple. basic 150 blind is good enough to pass the interview

three rounds, behavioural, coding,manager round, went very straight forward. It took almost 3 hours, one hour for each round.Asked in detail about all the core concepts. Coding round should complete the given task asking requirements. Also should explain the solution clearly which method used and why