Spring Boot Annotations

Annotations and their meanings

• @SpringBootApplication: marks the main class of the application. a combination of three other annotations: @Configuration, @EnableAutoConfiguration, and @ComponentScan.
• @Configuration: used to mark a class as a configuration class. This class will contain the bean definitions for the application context.
• @EnableAutoConfiguration: used to enable auto-configuration in the application. This annotation tells Spring Boot to start adding beans based on classpath settings, other beans, and various property settings.
• @ComponentScan: used to enable component scanning in the application. This allows Spring to scan packages to find and configure beans.
• @RestController: used to mark a class as a controller where every method returns a domain object instead of a view. It is shorthand for @Controller and @ResponseBody.
• @RequestMapping: used to map web requests onto specific handler classes and/or handler methods.
• @RequestParam: used to bind the web request parameter to a method parameter.