Given an integer array nums and an integer k, return the k most frequent elements.
Senior Backend Engineer Interview Questions
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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 ?
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?
Many system design questions and how one would approach it. Code challenge question was given a list of words and an input string, find the word that can be made. No reusing of the characters.
Different kinds of vulnerabilities and how to mitigate? XSS & CSRF etc
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