juniorSpring
What is Spring Boot?
Updated May 17, 2026
Short answer
Spring Boot simplifies Spring development with auto-configuration and embedded servers.
Deep explanation
It eliminates boilerplate configuration by providing starter dependencies and opinionated defaults. It embeds servers like Tomcat, enabling standalone applications.
Real-world example
Building REST APIs quickly without XML configuration.
Common mistakes
- Thinking Spring Boot replaces Spring Framework.
Follow-up questions
- What is auto-configuration?
- What are Spring Boot starters?