250 Spring Boot Interview Questions & Answers

A curated list of Spring Boot interview questions covering Fundamentals, Architecture & Lifecycle, Dependency Injection & IoC, Annotations, Configuration & Properties, REST API Development, Exception Handling, Validation, Spring Data JPA & Hibernate, Spring Security, Testing, Microservices & Cloud, Actuator & Monitoring, and Advanced & Scenario-Based Questions — each with a clear explanation and Java code example where applicable.