returns the number of tick units in this collection . this method is required for the xml writer . concode_field_sep List tickUnits concode_elem_sep long serialVersionUID concode_field_sep void add concode_elem_sep TickUnit getLargerTickUnit concode_elem_sep TickUnit getCeilingTickUnit concode_elem_sep TickUnit getCeilingTickUnit concode_elem_sep TickUnit get concode_elem_sep boolean equals concode_elem_sep Object clone
int function ( ) { return this . tickUnits . size ( ) ; }