code: public void setYear(int y) {
          super.setValue(y, true, false);
  
          if (dayChooser != null) {
              dayChooser.setYear(value);
          }
  
          spinner.setValue(new Integer(value));
          firePropertyChange("year", oldYear, value);
          oldYear = value;
      }
docs: Sets the year. This is a bound property.
  
  @param y the new year
  
  @see #getYear