4.0.0 spring-data-jpa-repo-3 0.0.1-SNAPSHOT spring-data-jpa-repo-3 spring-data-jpa-repo-3 com.baeldung parent-boot-3 0.0.1-SNAPSHOT ../../parent-boot-3 org.springframework.boot spring-boot-starter-data-jpa com.h2database h2 runtime org.springframework.boot spring-boot-starter-test test com.baeldung.spring.data.jpa.naturalid.Application