In a given array, which contains integers, each number repeats itself once except for one, which doesn't repeat. Write a function that finds the number that doesn't repeat.
Back End Developer Interview Questions
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For a binary tree, write a function that returns the tree level in which the sum of the nodes is minimal.
Why String is immutable in java?
What is dispatcher servlet, please explain.
What is cyclic dependency, please explain.
Basic data structure question.
They were looking for depth knowledge in areas like VLSI, analog circuits.
Design Twitter. Overall I did well But got stuck with latency so probably interview wanted something else
Why Slack? Previous projects you've worked on? Week-long project.
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