Explain Spring Boot Profiles with example.

Profiles provide environment-specific configuration:\n\napplication-dev.properties:\nspring.datasource.url=jdbc:h2:mem:devdb\n\napplication-prod.properties:\nspring.datasource.url=jdbc:mysql://prod-server/db\n\nActivate: spring.profiles.active=dev\n\n@Profile("dev")\n@Component\npublic class DevDataLoader { }