Backend Java Developer Interview Questions

Java Backend Software Engineer

Interviewed at eBay

3.9★

Jul 30, 2025

Tell me the difference between SQL and No SQL, and what you use more

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 Developer

Interviewed at Accenture

3.7★

Jul 3, 2024

How do you do information gathering for a project

Java Backend Developer

Interviewed at BairesDev

4.2★

Feb 15, 2023

Apenas perguntas sobre trabalho atual, experiências com ferramentas relacionadas. Entrevista técnica voltada unicamente ao ecossistema Java e Spring. Não há pegadinhas nem perguntas parecidas com leetcode/hackerrank.

Junior Java Backend Developer

Interviewed at Oracle

3.5★

Oct 23, 2024

Tell me about a situation when you failed at your job.

Senior Java Backend Developer

Interviewed at EPAM Systems

4★

Feb 16, 2026

Java Questions like: - Difference between a StringBuilder and a StringBuffer - Difference between a ArrayList and LinkedList - hashCode() and equals() Spring Framework and SpringBoot - What is the core foundation of Spring Framework - What is the difference between SpringBoot and Spring Framework - Beans lifecycle - @Autowired annotation - @EnableAutoConfiguration Others - Scalability - CI/CD, what is the CI and what is the CD Databases - Difference between Relational and Non Relational Databases Code Challenge: - Find the longest substring of unique characters in a String