question: @ Override public Enumeration < Option > listOptions ( ) { Vector < Option > result = new Vector < Option > ( ) ; Enumeration < Option > enm = super . listOptions ( ) ; while ( enm . hasMoreElements ( ) ) result . add ( enm . nextElement ( ) ) ; result . addElement ( new Option ( "\t" + stopwordsTipText ( ) + "\n" + "\t(default: none)" , "stopwords" , 1 , "-stopwords <classname + options>" ) ) ; return result . elements ( ) ; }
target:  Returns an enumeration describing the available options.