4.0.0 com.didispace Chapter2-2-1 1.0.0 jar Chapter2-2-1 Spring Boot 2 : Relaxed Binding org.springframework.boot spring-boot-starter-parent 2.0.0.RELEASE UTF-8 1.8 org.springframework.boot spring-boot-starter org.projectlombok lombok 1.16.20 org.springframework.boot spring-boot-maven-plugin