Java Full Stack Developer Interview Questions

Full Stack Java Developer

Interviewed at Cogent Infotech Corp

4.6★

Mar 14, 2023

What are the four principles of object oriented programming? explain each of them. What is the difference between an array and a list.

Full Stack Java Developer

Interviewed at Jio

4.3★

Aug 20, 2020

Difference between runtime polymorphism and compile time polymorphism

Full Stack Java Developer

Interviewed at Jio

4.3★

Aug 20, 2020

How Garbage Collector works Internally??

Java Full Stack Developer

Interviewed at CarWale

3.6★

Jun 19, 2025

Questions asked where difference between post and put, difference between streams and for loops, client id secret key working n in authentication process, Java coding optimisation techniques, db procedure optimisation techniques.

Junior Java Full Stack Developer

Interviewed at REI Systems

3.4★

Feb 10, 2021

REST - Abbreviation, PUT vs POST vs GET

Java Full Stack Developer

Interviewed at Marlabs

3.5★

Mar 11, 2021

Spring Framework concepts like IoC container, Annotations

Java/Full Stack Developer

Interviewed at HCL Technologies

3.5★

May 26, 2025

What is dom ,stack and queue difference between java and python

Full Stack Java Developer

Interviewed at Talentica

4★

Jul 14, 2025

How Kafka works? Complex SQL Queries. System Design

Full Stack Java Developer

Interviewed at SWIFT

3.5★

Jul 16, 2024

In your resume, you mentioned that you use Spring Boot for your projects in your university. So explain to me how you implement the Spring Boot and what it is used for?

Java Full Stack Developer

Interviewed at NEC Corporation

3.8★

Sep 11, 2023

Basically they opened a 200+ java question website and asked every question in order. Nothing new.