question: @ Override public Enumeration < Option > listOptions ( ) { Vector < Option > newVector = new Vector < Option > ( 2 ) ; newVector . addElement ( new Option ( "\tSets the attribute index (default last)." , "C" , 1 , "-C <col>" ) ) ; newVector . addElement ( new Option ( "\tSets the output date format string (default corresponds to ISO-8601)." , "F" , 1 , "-F <value index>" ) ) ; return newVector . elements ( ) ; }
target:  Returns an enumeration describing the available options