import javax.swing.JSpinner;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class Main {
public static void main(String[] argv) throws Exception {
JSpinner spinner = new JSpinner();
spinner.addChangeListener(new SpinnerListener());
spinner.setValue(new Integer(100));
}
}
class SpinnerListener implements ChangeListener {
public void stateChanged(ChangeEvent evt) {
JSpinner spinner = (JSpinner) evt.getSource();
// Get the new value
Object value = spinner.getValue();
}
}