To run the utility, simply run it from the command line using link:/guides/gs/gradle[Gradle] like this: [subs="attributes"] ---- ./gradlew clean build && java -jar build/libs/{project_id}-0.1.0.jar ---- Or if you are using link:/guides/gs/maven[Maven], run it like this: [subs="attributes"] ---- mvn package && java -jar target/{project_id}-0.1.0.jar ---- You can alternatively run the app directly from Gradle like this: [subs="attributes", role="has-copy-button"] .... ./gradlew bootRun .... NOTE: With mvn, you can run `mvn spring-boot:run`.