4.0.0 org.springframework.boot spring-boot-starter-parent 3.0.1 com.example demo 0.0.1-SNAPSHOT demo demo 17 org.springframework.boot spring-boot-starter-data-jpa org.springframework.boot spring-boot-starter-thymeleaf org.springframework.boot spring-boot-starter-web com.mysql mysql-connector-j runtime org.projectlombok lombok true org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-maven-plugin org.projectlombok lombok