commons-file/src/main/java/jargs/gnu/CmdLineParser.java
public final Option addIntegerOption( char shortForm, String longForm ) {
        return addOption(new Option.IntegerOption(shortForm, longForm));
    }
public final Option addIntegerOption( char shortForm, String longForm ) {
        return addOption(new Option.IntegerOption(shortForm, longForm));
    }
Convenience method for adding an integer option.
@return the new Option