SpinnerModel: addChangeListener(ChangeListener l) : SpinnerModel « javax.swing « Java by API

1. Java by API
2. javax.swing
3. SpinnerModel

SpinnerModel: addChangeListener(ChangeListener l)

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);
  }
}

           
       

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