Walmart

I had 4 rounds. 1. Hacker Rank with 2 questions to complete in 90 mins. 2. Manager round asking about design questions. 3. Technical round. 4. Design round. Specific topics covered: * Implement abstract methods in the given interface. * JMS code.

The interview process was good, though it was a long one. It involved a phone screen and a full day on-site. The hiring manager was very good, and HR was also very good. The entire process took about a week. I accepted the offer.

The interview process included one phone screen. The interviewer from the Customer Promise team asked this question: When I provided the entire answer in O(n), the interviewer was not OK with it because they were not able to understand the simple fo