Given an integer array nums and an integer k, return the k most frequent elements.
Senior Backend Engineer Interview Questions
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Design Microservices system. One round of coding challenge Questions on Spring boot, Database
Coding problem to calculate the stock per day after there are 3 ArrayList which contains information about the companies, how much stock they have, and another array about the transaction, how much they sell, how much money they earn from selling, and how much got deducted when they buy new stock
How do you ensure data stays consistent between primary and secondary data stores ?
Technical , Cultural fit , team fit etc.,
I can’t recall a single specific question they asked. It didn’t feel like there was a structured questionnaire—instead, it was more of a natural conversation. The focus was on discussing my experience, how I approach challenges, and my understanding of the role. They seemed interested in my problem-solving mindset and how I’d fit into the team dynamic.
Write a logic to build a voting system where a person can vote at most 3 votes.
core java
Find middle node of linked list while iterating only once?
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