in reply to Re^2: How to call specific method of a module in our program?
in thread How to call specific method of a module in our program?

Are you sure you are not imagining things? Data::Dumper's only export is the sub Dumper, so there shouldn't be any difference between specifying Dumper and not doing it. See the source of Data::Dumper:

BEGIN { @ISA = qw(Exporter); @EXPORT = qw(Dumper); @EXPORT_OK = qw(DumperX);