Antino Backend Developer Interview Questions and Answers

Q1. Explain event loop nodejs.
Ans. 
Event loop in Node.js manages asynchronous operations by executing callbacks when certain events occur.
• Event loop is a single-threaded mechanism that allows Node.js to perform non-blocking I/O operations.

• It continuously checks the call stack for any functions that need to be executed, as well as the callback queue for any functions that are ready to be executed.

• Event loop prioritizes the execution of I/O operations and...read more
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Q2. Write the code for quick sort
Ans. 
Quick sort is a popular sorting algorithm that uses divide and conquer approach.
• Divide the array into two sub-arrays based on a pivot element

• Recursively sort the sub-arrays

• Combine the sorted sub-arrays to get the final sorted array
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Q1. Core java questions, one coding problem
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Q1. Springboot related questions, medium difficulty coding question
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Q1. Basic general personality related discussion
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Basic aptitude question

Basic coding question