SpringBoot, a popular Java framework, is widely used in enterprise-level application development. Understanding SpringBoot becomes a crucial factor in assessing a candidate's skills during interviews. This article compiles 55 common SpringBoot interview questions and provides detailed answers, helping readers gain in-depth knowledge of key concepts and best practices in SpringBoot. It covers various aspects from basics to advanced topics, including core features of SpringBoot, auto-configuration, startup process, common error handling, and more. By carefully studying this article, readers can confidently tackle SpringBoot interviews, showcasing their rich experience and profound technical expertise gained from real-world projects.