4.0.0 org.springframework.bootspring-boot-starter-parent4.0.9 studyboot-startup1 21 org.springframework.bootspring-boot-starter org.springframework.bootspring-boot-configuration-processortrue org.springframework.bootspring-boot-maven-pluginstudy.startup.StartupLab mvcorg.springframework.bootspring-boot-starter-webmvc reactiveorg.springframework.bootspring-boot-starter-webflux