About the Book
After conducting 700+ interviews and attending 100+ myself, I’ve learned exactly what differentiates an average candidate from a standout one. Interviews don’t just test knowledge—they test clarity, depth, and real-world reasoning.
That’s why I created this refined collection of 300+ Java Interview Questions with Answers. Each question has been reviewed by experienced engineers and shaped through multiple iterations to reflect what top companies truly evaluate.
This guide is built for every Java developer—from freshers starting out to seasoned professionals with 15+ years of experience looking to stay sharp and relevant.
Today, it stands as one of the best-selling Java interview eBooks on Amazon and Topmate, helping thousands of developers break through interview barriers with confidence.
📘 What’s Inside?
- Java ( Java 8 to java 25)
- Spring Boot & Microservices
- System Design & Architecture
- Kafka
- Application Security Essentials
- Spring Data
- Scenario-Based Questions
- Behavioural Question
This is not just a Q&A book – it’s a practical learning resource designed to provide flexible and thorough preparation for developers at any stage of their career.
It equips you with the clarity, confidence, and depth needed to excel in any Java interview.
Why this book?
Because this isn’t theory—it’s built from real interviews, real experience, and real industry insight. If you want to prepare with clarity, confidence, and the mindset interviewers expect, this is the guide you’ve been looking for.
About the Author
Amitesh Kumar Ray is a seasoned software engineer with 12 years of product development experience, currently serving as a Lead SDE at M2P Fintech, Bangalore. He holds a System Design & Architecture certification from the University of Alberta and is currently pursuing an Advanced Certification in AI & ML from IIT Madras—a testament to his commitment to continuous learning.
Over the years, Amitesh has authored 15+ technical books on Java, Spring Boot, Microservices, and System Design, many of which have been widely appreciated by developers across the globe. Having conducted 700+ technical interviews and mentored more than 20,000 professionals, he brings a rare insider perspective into how interviews work, what companies truly evaluate, and how developers can grow with clarity and confidence.
Driven by a passion for simplifying complex concepts, he continues to contribute to the developer community through his books, mentorship, and ongoing technical discussions—helping engineers at every stage of their career unlock their full potential.
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