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Everything You Need to Know About @SpringBootApplication annotation in Spring Boot
Introduction
The @SpringBootApplication annotation is the cornerstone of Spring Boot applications, integrating three key annotations—@Configuration, @EnableAutoConfiguration, and @ComponentScan—to streamline configuration and initialization. It automatically sets up the application context based on classpath dependencies, registers beans, and facilitates component scanning, all with minimal boilerplate code. This article will dissect the @SpringBootApplication annotation, covering its components, practical use cases, advantages, and disadvantages, providing essential insights for optimizing your Spring Boot development.
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1. What is @SpringBootApplication?
@SpringBootApplication is a composite annotation in Spring Boot that consolidates three critical annotations into one:
@Configuration: Marks the class as a source of bean definitions.
