Java by API/javax.swing.event/ChangeEvent

ChangeEvent: getSource()

   <source lang="java">

import java.awt.BorderLayout; import javax.swing.JFrame; import javax.swing.JSpinner; import javax.swing.SpinnerModel; import javax.swing.SpinnerNumberModel; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; public class MainClass {

 public static void main(final String args[]) {
   JFrame frame = new JFrame("JSpinner Dates");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   ChangeListener listener = new ChangeListener() {
     public void stateChanged(ChangeEvent e) {
       System.out.println("Source: " + e.getSource());
     }
   };
   SpinnerModel model3 = new SpinnerNumberModel();
   JSpinner spinner3 = new JSpinner(model3);
   spinner3.addChangeListener(listener);
   frame.add(spinner3, BorderLayout.SOUTH);
   frame.setSize(200, 90);
   frame.setVisible(true);
 }

}

      </source>