code: public void setDefaultDialogFont(Font newFont) {
          Font oldFont = defaultDialogFont; // Don't use the getter
          defaultDialogFont = newFont;
          clearCache();
          firePropertyChange(PROPERTY_DEFAULT_DIALOG_FONT, oldFont, newFont);
      }
docs: Sets a dialog font that will be used to compute the dialog base units.
  
  @param newFont the default dialog font to be set