Full Stack Java Developer Interview Questions

Java Full Stack Developer

Interviewed at Cognizant

3.6★

Jun 28, 2025

Java OOPS concept SpringBoot annotations Java 8 Features

Entry-level Full Stack Java Developer

Interviewed at Société Générale

3.7★

Jan 4, 2023

Q Interfaces Q static keywords Q Collection frameworks QManagerial questions

Full Stack Java Developer

Interviewed at Cognizant

3.6★

Dec 26, 2021

Core java questions, java 8, stream api, exception handling, collections , Spring Boot, collectors , Hibernate, full Hibernate connectivity, all basic spring boot and MVC.

Java Full Stack Developer

Interviewed at CRISIL

3.8★

Jul 7, 2024

API Security & JWT questions

Full Stack Java Developer

Interviewed at Quest Global

3.9★

Feb 12, 2021

1.java memory management 2.collection framework 3.is java fully object oriented

Full Stack Java Developer

Interviewed at Cognizant

3.6★

Jan 8, 2021

1.Difference between soap and REST ?? 2.which is preferable json or XML?

Full Stack Java Developer

Interviewed at Société Générale

3.7★

Aug 1, 2019

Round 1: explain Polymorhism and it's Types

Full Stack Java Developer

Interviewed at Société Générale

3.7★

Aug 1, 2019

What is dialect in Spring-hibernate

Full Stack Angular and Java Springboot Developer

Interviewed at Cognizant

3.6★

Oct 7, 2024

Angular ------- 1. Pass data between components 2. Pass data if there is no relation between components 3. how to get the query string in component 4. RxJs in Angular 5. how you implement unsubscribe method in observable Java --- 1. Feature used in Java 8? 2. Completable Future? Spring Boot ------------ 1. Connect two dbs & use one instance at runtime 2. if there is 3 service with 3 DB & if one goes down, how to rollback the operation

Java Full Stack Developer

Interviewed at Cognizant

3.6★

Sep 19, 2023

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