JUnit is taken out of NOWING projects

JUnit is a very convenient library. Like an automatic transmission for a family car - You press the paddle, it runs.

But NOWING projects will go back to the previous unit testing method - each class that needs to be tested will have a static main method and the test will be done there.

CAUTION: Oracle treats empty string as null

select 'oracle empty string is equal to null' from dual where '' is null;