4.0.0 org.springframework.boot spring-boot-starter-parent 2.2.1.RELEASE com.bruis learnsb 0.0.1-SNAPSHOT Spring-Boot Learn Spring Boot!! 1.8 org.springframework.boot spring-boot-starter org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-maven-plugin