Java Backend Engineer Interview Questions

Backend Java Engineer

Interviewed at Telnyx

3.7★

Dec 6, 2020

Questions about binary search, HashSet, ArrayList. also questions about SQL.

Java Backend Developer

Interviewed at Holidu

4.5★

Nov 12, 2024

The difference between int and Integer

Java Backend Developer

Interviewed at King

3★

Nov 2, 2018

What does the parameters in HttpServer.create(...) mean? Are exceptions really necessary or is it just better to pass on error codes?

Java Backend Developer - L4

Interviewed at Incedo

4.2★

Aug 24, 2023

What do you mean by spring transactions?

Backend Java Developer

Interviewed at Micro1

4.5★

Mar 11, 2025

Java core Spring Microservices Rest API

Java Backend Engineer

Interviewed at Volkswagen Group

4.1★

Nov 21, 2024

For example, I want to call an API from my React application. I want to call any Spring Boot app. Spring Boot API. How would I do that in React?

Java Backend Engineer

Interviewed at Coderio

4.8★

Mar 31, 2023

Desde procesos y metologías hasta el core de spring y java.

Java Backend Developer

Interviewed at Accenture

3.7★

Jul 3, 2024

How do you do information gathering for a project

Java Backend Engineer, Platform

Interviewed at Zoom Communications

3.6★

Mar 5, 2021

SQL storedProcedure to aggregate data from 3 tables, and calculate remaining available seats, similar to one on chegg, "You're working on the tech support team of an airline company, and your boss has asked you to implement a feature that shows the number of available seats on every flight. Information about the airline is stored in three tables"