4.0.0 maven-modules 0.0.1-SNAPSHOT maven-modules pom com.baeldung parent-modules 1.0.0-SNAPSHOT maven-copy-files maven-custom-plugin maven-exec-plugin maven-integration-test maven-multi-source maven-plugins maven-profiles maven-properties maven-unused-dependencies maven-war-plugin optional-dependencies version-collision version-overriding-plugins versions-maven-plugin maven-printing-plugins