question: @ Override public Enumeration < Option > listOptions ( ) { Vector < Option > result ; result = new Vector < Option > ( ) ; result . addElement ( new Option ( "\tThe range of attributes to print in addition to the classification.\n" + "\t(default: none)" , "p" , 1 , "-p <range>" ) ) ; result . addElement ( new Option ( "\tWhether to turn on the output of the class distribution.\n" + "\tOnly for nominal class attributes.\n" + "\t(default: off)" , "distribution" , 0 , "-distribution" ) ) ; result . addElement ( new Option ( "\tThe number of digits after the decimal point.\n" + "\t(default: " + getDefaultNumDecimals ( ) + ")" , "decimals" , 1 , "-decimals <num>" ) ) ; result . addElement ( new Option ( "\tThe file to store the output in, instead of outputting it on stdout.\n" + "\tGets ignored if the supplied path is a directory.\n" + "\t(default: .)" , "file" , 1 , "-file <path>" ) ) ; result . addElement ( new Option ( "\tIn case the data gets stored in a file, then this flag can be used\n" + "\tto suppress the regular output.\n" + "\t(default: not suppressed)" , "suppress" , 0 , "-suppress" ) ) ; return result . elements ( ) ; }
target:  Returns an enumeration of all the available options..