Java Developer Interview Topics: OOPS, Collections, Exception Handling, Java 8, Thread, String, Design Patterns, Memory Management, Constructors, Coding, Spring Boot, Microservices, SQL, Spring MVC, Hibernate, Git, Bitbucket, Maven, Jenkins, Docker

Hi Everyone 👋, I appeared for a few Java Developer interviews for roles in the 2–4 years experience range. Some interviews went well, some were learning experiences — but one thing was clear: Most companies ask questions from a few common topics. So I thought of putting everything together here — this might help someone who's currently preparing. 👇 JAVA - 1. OOPS 2. Collections 3. Exception Handling 4. Java 8 5. Thread 6. String 7. Design Patterns 8. Memory Management 9. Constructors & other fundamentals 10. Coding (Java 8, Array, String, Linked List) SPRING BOOT - 1. Basics & Annotations 2. Project Structure 3. Exception Handling 4. Spring Boot Properties 5. Testing MICROSERVICES 1. Basics & Key Differences 2. Communication Between Services 3. Load Balancing 4. API Gateway 5. Design Patterns OTHER TOPICS 1. SQL (Theory & Coding) 2. Spring MVC, Spring Security 3. Hibernate 4. Git, Bitbucket, Maven, Jenkins, Docker 5. Project Specific ❤️ If you found it helpful, give it a like. 🤝 Feel free to connect and share your own experiences. ✨ Let’s connect and learn from each other. ⭐ Good luck to everyone preparing out there! #InterviewTips #JobSearch #DSA #SQL #SystemDesign #CareerGrowth #TechInterviews #LinkedInCommunity #Java #JavaDeveloper #JavaBackend