updated java version for intelliJ settings file
removing dead code in test
remove redundant code (non-test)
deleting more redundant code (and now switched on "optimize imports" on commit)
reducing visibility
I refer the interested reader to:
"On the Criteria To Be Used in Decomposing Systems into Modules" D.L. Parnas
Communications of the ACM, Vol. 15, No. 12, December 1972