Full Stack Java Developer Interview Questions

Java Full Stack Developer

Interviewed at Cognizant

3.4★

Apr 18, 2025

java, oops, DOM, SQL, factorial, html, css, String , etc

Full Stack Java Developer

Interviewed at Cognizant

3.4★

Jun 6, 2024

OOPS Concept 1 coding question swap two numbers without using third variable

Full Stack Java Developer

Interviewed at Cognizant

3.4★

Apr 27, 2022

Qns on Interface Abstraction Collection Java generics Framework Database connectivity Given some code and asked to find the output

Java Full Stack Developer

Interviewed at Société Générale

3.7★

Feb 13, 2023

string vs string builder ?

Java Full Stack Developer

Interviewed at Cognizant

3.4★

Aug 10, 2021

Are you interested to join Cognizant

Java Full Stack Developer

Interviewed at Cognizant

3.4★

Aug 3, 2022

About JAVA and OOPs concepts

Java Full Stack Developer

Interviewed at Cognizant

3.4★

Aug 25, 2021

HashMap Vs ConcurrentHashMap. Java8 new features. Spring MVC, Spring Boot micro services core java in depth They gave problems to solve

Full Stack Java Developer

Interviewed at Cognizant

3.4★

Oct 8, 2021

1)What are the pillars of object oriented programming 2) Write a program to showcase abstraction with encapsulation. 3) Difference between union and union all in DBMS

Full Stack Java Developer

Interviewed at Target

3.5★

Aug 11, 2020

Asked about the Spring security and few react JS questions

Java Full Stack Developer

Interviewed at Quest Global

3.9★

Mar 28, 2022

Interviewer starts with java 8 questions like java 8 features, Intermediate and terminal operation in stream, functional interface, dispatcher servlet, then coding questions, algorithm data structure, spring boot, microservices, jpa, hibernate, react js , javascript