Java Software Engineer Interviews

Java Software Engineer Interview Questions

"Java software engineers design, build, and maintain systems that support and run java applications. Employers are looking for candidates who display strong organizational and communication skills as well as advanced technical skill within the java universe. During an interview, expect to answer a lot engineering questions as well as discuss past projects you have worked on."

30,885 java software engineer interview questions shared by candidates

1. Quel est votre l'une de vos expériences les plus significatives et quel est le degré de la satisfaction client ou de vos responsables? 2. Quel est le rôle d'un consultant chez le client et quel comportement doit il avoir?
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Consultant junion JAVA/J2EE

Interviewed at Capgemini Invent

3.6
Apr 21, 2016

1. Quel est votre l'une de vos expériences les plus significatives et quel est le degré de la satisfaction client ou de vos responsables? 2. Quel est le rôle d'un consultant chez le client et quel comportement doit il avoir?

Company for some reason makes a strong accent on concurrency initially. I was asked to create a load balancer with the production like code. You won't be given any requirements initially but only to implement the register method. Tried to clarify all the requirements ( target groups, healthchecks etc. ) From the interviwer answers I realized I shouldn't clarify requiments at this point. More requirements will be added added like capacity limitation and uniqueness check. why do you prefer register(String url) over register(URL url)? in what case the array list append won't be constant time? why it's not ready for prod ( concurrency ) what problems do you see? what's the simplest was to fix it? Didn't receive any feedback so it's hard to tell what was expected.
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Senior Java Developer

Interviewed at Revolut

4
May 26, 2025

Company for some reason makes a strong accent on concurrency initially. I was asked to create a load balancer with the production like code. You won't be given any requirements initially but only to implement the register method. Tried to clarify all the requirements ( target groups, healthchecks etc. ) From the interviwer answers I realized I shouldn't clarify requiments at this point. More requirements will be added added like capacity limitation and uniqueness check. why do you prefer register(String url) over register(URL url)? in what case the array list append won't be constant time? why it's not ready for prod ( concurrency ) what problems do you see? what's the simplest was to fix it? Didn't receive any feedback so it's hard to tell what was expected.

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