Fix [SonarQube] Constant names should comply with a naming convention
(Rename this constant name to match the regular expression
'^[A-Z][A-Z0-9]*(_[A-Z0-9]+)*$')
Fix [SonarQube] Empty statements should be removed
Fix [SonarQube] Generic exceptions Error, RuntimeException, Throwable
and Exception should never be thrown (Define and throw a dedicated
exception instead of using a generic one)
Expand wildcard import org.dmilne.weka.wrapper.* to declare individual
classes