java - JSpinner getting null value -


i want take null values when jspinner empty. returns 0.0 when call getvalue() function.

  public jformattedtextfield gettextfield(jspinner spinner) {     jcomponent editor = spinner.geteditor();     if (editor instanceof jspinner.defaulteditor) {         return ((jspinner.defaulteditor)editor).gettextfield();     } else {         return null;     } }

and method call:

object = gettextfield(jvaluenum).getvalue();

edit: or there way overload getvalue() function?

@user2279774: set jspinner user defined values. way know.. eg:

string[] colors = new string[] {                 "red", "orange", "yellow", "green", "blue","  ", "purple"         };         spinnerlistmodel model = new spinnerlistmodel(colors);

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