Morgan Stanley Senior Java Developer interview questions

1.Round Hacker Rank -90 minutes 2. Zoom video call - Some general Java concepts and some programs . I was very confident that all is going good. I had completed all the given programs and they are working as expected for all the test cases. Given answer to all the theoretical questions. But don’t know intervewer say that she is expecting some other answers. I dint know why interviewers think that approach/solution to a problem will be the same as they know or think. Every technical problem can be solved in many ways. Anyways you can not control the decision.

There were 4 rounds. First round will be hackerank test consist of MCQs and Program. Difficulty was moderate. Then 3 F2F round interview. First round, interviewer asked me all the core java questions from all the topics including exceptions handling, collections, generic, String etc. Core java concepts should be good to clear the round, 2 coding questions were also there on hacker rank codepair. 1. Find the 2nd largest number in array without using any inbuilt method in O(n), 2. print fibonaci series till n, without using recursion. My 2nd and 3rd round taken together. Interviewer asked 4 programs to write on notepad. 1. find intersection noide of two linkedlist.2 find all the cousins of the node in BST. 3. Implement stack using Queue.4. print the number in english words for ex;4563 should be printed as "four thousand six hundred three.