Spring complete interview guide#java #springinterview #techtrends #coding #codinginterview

📝Spring Interview Guide

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https://topmate.io/java_treasure_tech

Stop searching. Start cracking interviews !

Think you’re ready for a Spring interview?
Try answering THESE without Googling 👇
👉 What happens internally when Spring performs Dependency Injection?
👉 Explain Bean Lifecycle in detail (including BeanPostProcessor)
👉 How does @Transactional work internally? Why does it fail in self-invocation?
👉 What is the role of proxies in Spring AOP? JDK vs CGLIB?
👉 How does @EnableAutoConfiguration work behind the scenes?
👉 What is Spring Boot auto-configuration flow?
👉 Difference between ApplicationContext vs BeanFactory?
👉 How does Spring handle circular dependencies?
👉 What are different bean scopes and their real-world use cases?
👉 How does Spring manage thread safety in singleton beans?
👉 Explain DispatcherServlet flow in Spring MVC
👉 How exception handling works in Spring Boot (@ControllerAdvice)?
👉 What is the difference between @Component, @Service, @Repository?
👉 How does Spring Data JPA generate queries dynamically?
👉 What happens internally when you use @RestController?
👉 How do you implement caching in Spring? (@Cacheable flow)
👉 What are filters vs interceptors in Spring?
👉 How does Spring Security authentication flow work?
👉 JWT vs Session-based authentication in Spring Boot?
👉 How do you design idempotent REST APIs?
👉 How do you handle distributed transactions in microservices?
👉 What is Circuit Breaker and how does Resilience4j work?
👉 How do you implement API Gateway in Spring Cloud?
👉 How does service discovery work (Eureka)?
👉 How do you scale Spring Boot applications for millions of users?

If you can confidently answer these…
You’re ahead of 90% of developers 🚀

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