principle to resolve a spring boot (spring basic features boot)

spring boot provides a complete introduction to the document: https: //docs.spring.io/spring-boot/docs/2.2.2.RELEASE/reference/html/documentation-overview.html#boot-documentation

 

SpringApplication mechanism core features, configuration files, environment files, logs

web wherein: mvc layered structure, built-in container

Data: support for structured and unstructured data