Listen to change event for JSpinner in Java

import java.awt.FlowLayout;
import java.text.ParseException;
/* www. j a  v  a2s  . c o m*/
import javax.swing.JFrame;
import javax.swing.JSpinner;
import javax.swing.SpinnerListModel;
import javax.swing.SpinnerModel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

public class Main {
  public static void main(String args[]) throws ParseException {
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setLayout(new FlowLayout());
    
    String days[] = {"java2s.com","a","v","c"};
    SpinnerModel model1 = new SpinnerListModel(days);
    JSpinner spinner = new JSpinner(model1);
    spinner.addChangeListener(new SpinnerListener());
    f.add(spinner);
    
    
    f.setSize(300, 100);
    f.setVisible(true);
  }
}
class SpinnerListener implements ChangeListener {
  public void stateChanged(ChangeEvent evt) {
    JSpinner spinner = (JSpinner) evt.getSource();

    // Get the new value
    Object value = spinner.getValue();
  }
}