String function ( ) { return this . nullYString ; }
returns the string representing a null value . concode_field_sep String formatString concode_elem_sep long serialVersionUID concode_elem_sep DateFormat yDateFormat concode_elem_sep NumberFormat yFormat concode_elem_sep DateFormat xDateFormat concode_elem_sep String nullYString concode_elem_sep NumberFormat xFormat concode_field_sep String getFormatString concode_elem_sep NumberFormat getXFormat concode_elem_sep String generateLabelString concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep Object clone concode_elem_sep DateFormat getYDateFormat concode_elem_sep DateFormat getXDateFormat concode_elem_sep NumberFormat getYFormat concode_elem_sep Object[] createItemArray