Senior Java Developer Interview Questions

Senior Java Developer

Interviewed at lastminute.com

3.6★

Jul 20, 2022

What was the biggest fail and what did you learn from it?

Senior Java Backend Developer

Interviewed at EPAM Systems

4★

Feb 16, 2026

Java Questions like: - Difference between a StringBuilder and a StringBuffer - Difference between a ArrayList and LinkedList - hashCode() and equals() Spring Framework and SpringBoot - What is the core foundation of Spring Framework - What is the difference between SpringBoot and Spring Framework - Beans lifecycle - @Autowired annotation - @EnableAutoConfiguration Others - Scalability - CI/CD, what is the CI and what is the CD Databases - Difference between Relational and Non Relational Databases Code Challenge: - Find the longest substring of unique characters in a String

Senior Java Developer

Interviewed at EPAM Systems

4★

Dec 5, 2024

2nd Round Bit Diffcult But it starting from very Normal -> goes deep about Spring and Microservices core Concept. Here I rejected

Senior Java Developer

Interviewed at EPAM Systems

4★

Dec 30, 2024

Fault tolerance, api gateway, acid properties, service discovery, MySQL queries, diffrence in monolithic and microservices, functional programming, docker, cicd pipeline, mockito junit

Senior Java Developer

Interviewed at HCLTech

3.5★

Jul 5, 2024

Describe Oops concept in java,

Senior Java Developer

Interviewed at Coforge

3.7★

Jun 10, 2024

java programs to check longest pallendrom

Senior Java Developer

Interviewed at Coforge

3.7★

Jul 13, 2024

Java related questions or collection framework

Senior Java Developer

Interviewed at EY

3.7★

Aug 9, 2024

Rest Api error handling and any global exception for handling that

Senior Java Developer

Interviewed at EY

3.7★

Aug 9, 2024

Diff b/w set and TreeSet

Senior Java Developer

Interviewed at PwC

3.7★

Oct 26, 2024

stream questions abstract methods interface hash map and many code based questions