Java tutorial
import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.AbstractButton; import javax.swing.JCheckBox; import javax.swing.JFrame; public class JCheckBoxActionListener { public static void main(String args[]) { JFrame frame = new JFrame("Iconizing CheckBox"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JCheckBox aCheckBox4 = new JCheckBox("Stuffed Crust"); ActionListener actionListener = new ActionListener() { public void actionPerformed(ActionEvent actionEvent) { AbstractButton abstractButton = (AbstractButton) actionEvent.getSource(); boolean selected = abstractButton.getModel().isSelected(); System.out.println(selected); // abstractButton.setText(newLabel); } }; aCheckBox4.addActionListener(actionListener); frame.add(aCheckBox4); frame.setSize(300, 200); frame.setVisible(true); } }