firePropertyChange(MAJOR_TICK_SPACING_CHANGED_PROPERTY, oldSpacing,
firePropertyChange("majorTickSpacing", oldSpacing,
  public void setMajorTickSpacing(int spacing)  {    if (majorTickSpacing != spacing)      {	int oldSpacing = majorTickSpacing;	majorTickSpacing = spacing;	firePropertyChange(MAJOR_TICK_SPACING_CHANGED_PROPERTY, oldSpacing,	                   majorTickSpacing);      }  }