Java + Spring Boot Interview Preparation

Prepare smarter for your next Java + Spring Boot interview with one structured, interview-focused handbook.

Built from real interview preparation notes, this guide covers:

☕ Core Java, OOP & Collections

⚡ Java 8, Streams & Concurrency

🧠 JVM, Memory & Garbage Collection

🍃 Spring & Spring Boot

🌐 REST APIs & Microservices

🗄️ JPA, Hibernate & Transactions

🔐 Spring Security & AOP

📨 Kafka & Messaging

🧪 JUnit, Mockito & Testing

⚙️ Spring Batch, Async & Caching

🏗️ Real Backend Interview Scenarios

Each important topic includes quick interview answers, detailed explanations, follow-up questions, code examples, interview tips and common mistakes.

It also includes Rapid Interview Revision, a final-day checklist, and a Complexity & Performance Cheat Sheet for last-minute preparation.

One handbook. Focused revision. Better interview preparation. 🚀