questions about whether it works with Java core. Questions about optimistic lock. Questions about what database he knew. Can two objects have the same hash?
Backend Software Interview Questions
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Tell about challenges that you have
Basically build a room finder given a number of people and a list of room objects
Q1: what you do and how did you come up with the solutions of stuff you do in your work etc.
Given an array of some elements having some weight - pop out two heaviest elements (x &y) from the array - then compare them until array is empty of there is only one element left comparisons: if x!=y ( push x-y into the array) if x==y ( do nothing)
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Design a Cab booking system
1st Round: Question related to work experience. 2nd Round: 2 Coding problem and some set of theory questions taken by 2 panel members.
Online assessment: 5 problems - 2 leetcode hards, 1 relatively easy SQL query, 1 refactor-a-class problem and 1 design problem Technical interview: How do you create a bean? No, I don't mean that. How do you create the bean? What type of bean is it? That's not what scope means (it actually is). Ok, and how does Spring do that in the back? Tell me the implementation.
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