Java tutorial
import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.AbstractButton; import javax.swing.JFrame; import javax.swing.JToggleButton; public class Main { public static void main(String args[]) { JFrame frame = new JFrame("Selecting Toggle"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JToggleButton toggleButton = new JToggleButton("Toggle Button"); // Define ActionListener ActionListener actionListener = new ActionListener() { public void actionPerformed(ActionEvent actionEvent) { AbstractButton abstractButton = (AbstractButton) actionEvent.getSource(); boolean selected = abstractButton.getModel().isSelected(); System.out.println("Action - selected=" + selected + "\n"); } }; // Attach Listeners toggleButton.addActionListener(actionListener); frame.add(toggleButton, BorderLayout.NORTH); frame.setSize(300, 125); frame.setVisible(true); } }