question: @ Override public Enumeration < Option > listOptions ( ) { Vector < Option > newVector = new Vector < Option > ( 2 ) ; newVector . addElement ( new Option ( "\tSpecifies percentage of instances to select. (default 50)\n" , "P" , 1 , "-P <percentage>" ) ) ; newVector . addElement ( new Option ( "\tSpecifies if inverse of selection is to be output.\n" , "V" , 0 , "-V" ) ) ; return newVector . elements ( ) ; }
target:  Gets an enumeration describing the available options..