Java Swing Tutorial - Java AbstractButton .getChangeListeners ()

Syntax

AbstractButton.getChangeListeners() has the following syntax.

public ChangeListener [] getChangeListeners()

Example

In the following code shows how to use AbstractButton.getChangeListeners() method.

import javax.swing.AbstractButton;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
//from  ww w  .j  a  v a 2s  . co  m
public class Main {
  public static void main(String[] args) {
    AbstractButton jb = new JButton("Press Me");

    jb.addChangeListener(new ChangeListener() {
      public void stateChanged(ChangeEvent ev) {
        System.out.println("ChangeEvent!");
      }
    });
    ChangeListener[] lis = jb.getChangeListeners();
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.getContentPane().add(jb);
    f.pack();
    f.setVisible(true);
  }
}