//The event demonstration program for JToggleButton.
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import javax.swing.JFrame;
import javax.swing.JToggleButton;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class JToggleButtonEvents {
public static void main(String[] args) {
JToggleButton jtb = new JToggleButton("Press Me");
jtb.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ev) {
System.out.println("ActionEvent!");
}
});
jtb.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent ev) {
System.out.println("ItemEvent!");
}
});
jtb.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent ev) {
System.out.println("ChangeEvent!");
}
});
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Container c = f.getContentPane();
c.setLayout(new FlowLayout());
c.add(jtb);
f.pack();
f.setVisible(true);
}
}