Java by API/javax.swing/SpinnerModel

SpinnerModel: addChangeListener(ChangeListener l)

   <source lang="java">

import java.util.Calendar; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JSpinner; import javax.swing.SpinnerDateModel; import javax.swing.SpinnerModel; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; public class MainClass {

 public static void main(String[] args) {
   JFrame frame = new JFrame();
   Calendar now = Calendar.getInstance();
   Calendar earliest = (Calendar) now.clone();
   earliest.add(Calendar.MONTH, -6);
   Calendar latest = (Calendar) now.clone();
   latest.add(Calendar.MONTH, 6);
   SpinnerModel model = new SpinnerDateModel(now.getTime(), earliest.getTime(), latest.getTime(),
       Calendar.WEEK_OF_YEAR);
   final JSpinner spinner = new JSpinner(model);
   model.addChangeListener(new ChangeListener() {
     public void stateChanged(ChangeEvent e) {
       System.out.println(((SpinnerDateModel) e.getSource()).getDate());
     }
   });
   frame.getContentPane().add("North", new JLabel("Choose a week"));
   frame.getContentPane().add("Center", spinner);
   frame.pack();
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setVisible(true);
 }

}

      </source>