The event demonstration program for JToggleButton
//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); } }