Full Stack Java Developer Interview Questions

Java Full Stack Developer

Interviewed at Cognizant

3.6★

Sep 19, 2023

1. Basic oops concepts like inheritance, polymorphism 2. One problem solving questions

Java Full Stack Developer

Interviewed at Fiserv

3★

Jan 22, 2021

AOT in angular Idempotent in rest API Lazy loading in angular

Full Stack Developer(Java)

Interviewed at CapTech

3.8★

May 12, 2022

In first technical interview I was asked the difference between an array vs. arraylist, what a static variable is, what an abstract class is (then the difference between that and an interface), what monolithic architecture is, and what test driven development is. I was also asked to give more background on experience and projects (with specific questions)

Full Stack Java Developer

Interviewed at Insight Global

3.5★

Oct 3, 2024

Asked about my previous projects.

Java Full Stack Developer

Interviewed at Mphasis

3.4★

Oct 17, 2020

What are the advantages of spring boot?

Full Stack Java Developer

Interviewed at NTT DATA

3.7★

Nov 6, 2020

so many questions regarding Kafka and microservices

Senior Full Stack Java Developer

Interviewed at NTT DATA

3.7★

Feb 15, 2019

Design patterns

Full Stack Java Developer

Interviewed at UST

3.8★

May 16, 2025

1. What is JIT Compiler 2. What is unreachable code error 3. What is difference between HashMap and Concurrent HashMap etc

Java Full Stack Developer

Interviewed at Alithya

3.6★

Sep 7, 2025

They gave a scenario project and asked when to use abstraction versus inheritance in Java

Full Stack Java Developer

Interviewed at Aubay

3.6★

Sep 20, 2023

Questions about differences in certain java classes (like list vs set for example), threads, solid, etc