Java Toggle Button

public class MyForm extends JFrame {

    public MyForm() {

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        setBounds(100, 100, 362, 249);

        setTitle("Kittisay Java");

        setLayout(null);

        // Label Status

        JLabel lblStatus = new JLabel("lblStatus");

        lblStatus.setBounds(141, 127, 73, 14);

        add(lblStatus);

        // Toggle Button

        JToggleButton tgBtn = new JToggleButton("On / Off");

        tgBtn.addActionListener((e) -> {

            if (tgBtn.isSelected()) {

                tgBtn.setText("Click to Off");

                lblStatus.setText("State : on");

            } else {

                tgBtn.setText("Click to On");

                lblStatus.setText("State : off");

            }

        });

        tgBtn.setBounds(110, 77, 121, 23);

        add(tgBtn);

    }

    public static void main(String[] args) {

        MyForm frm = new MyForm();

        frm.setVisible(true);

    }