question: @ Override public Enumeration < Option > listOptions ( ) { Vector < Option > newVector = new Vector < Option > ( 6 ) ; newVector . addElement ( new Option ( "\tGenerate network (instead of instances)\n" , "B" , 0 , "-B" ) ) ; newVector . addElement ( new Option ( "\tNr of nodes\n" , "N" , 1 , "-N <integer>" ) ) ; newVector . addElement ( new Option ( "\tNr of arcs\n" , "A" , 1 , "-A <integer>" ) ) ; newVector . addElement ( new Option ( "\tNr of instances\n" , "M" , 1 , "-M <integer>" ) ) ; newVector . addElement ( new Option ( "\tCardinality of the variables\n" , "C" , 1 , "-C <integer>" ) ) ; newVector . addElement ( new Option ( "\tSeed for random number generator\n" , "S" , 1 , "-S <integer>" ) ) ; newVector . addElement ( new Option ( "\tThe BIF file to obtain the structure from.\n" , "F" , 1 , "-F <file>" ) ) ; return newVector . elements ( ) ; }
target:  Returns an enumeration describing the available options