4.0.0 org.springframework.boot spring-boot-starter-parent 2.1.1.RELEASE com.example demo 0.0.1-SNAPSHOT jar demo Demo project for Spring Boot 11 1.1.1 org.springframework.boot spring-boot-starter org.jetbrains.kotlin kotlin-stdlib-jdk8 org.jetbrains.kotlin kotlin-reflect org.springframework.boot spring-boot-starter-test test ${project.basedir}/src/main/kotlin ${project.basedir}/src/test/kotlin org.springframework.boot spring-boot-maven-plugin kotlin-maven-plugin org.jetbrains.kotlin -Xjsr305=strict spring org.jetbrains.kotlin kotlin-maven-allopen ${kotlin.version}