Learn the difference between Spring and Spring Boot with practical Java 21 examples, setup guides, REST APIs, benefits, and best practices for beginners. What is the Difference Between Spring and Spring Boot? Introduction Imagine you're building a new house. With traditional construction, you buy the bricks, cement, wiring, plumbing, and every other component separately. You then assemble everything yourself. Now imagine purchasing a modern prefabricated house where most things are already configured and ready to use. You can move in much faster. This analogy perfectly explains the difference between Spring and Spring Boot . The Spring Framework provides all the tools needed to build enterprise Java applications. However, developers must manually configure many components before getting started. Spring Boot sits on top of Spring and removes much of this setup work by providing sensible defaults, auto-configuration, and embedded servers.…