question: protected String toString ( Vector values , int start , int length ) { if ( length == 0 ) { return "" ; } if ( length == 1 ) { return String . valueOf ( values . elementAt ( start ) ) ; } StringBuffer str = new StringBuffer ( ) ; for ( int i = 0 ; i < length ; i ++ ) { if ( i > 0 ) { str . append ( ',' ) ; } str . append ( values . elementAt ( start + i ) ) ; } return str . toString ( ) ; }
target:  Returns a string of the specified values.