Fix check-style issues
Description
The maven-build-output throws a bunch of check-style issues related to formatting, missing java docs etc.See https://osdu.pages.opengroup.org/-/platform/system/project-and-workflow/-/jobs/2784471/artifacts/maven-build-output.txt
Acceptance criteria
There should be no check-style issues
Testing scenarios
Run the compile and unit test stage to see the maven-build-output