SWING

public class SwingApp2 extends JFrame {

    private int bilangan = 0;

    JButton buttonSwing;

    JLabel labelClick;

    public SwingApp2() {

        setSize(300, 200);

        this.setTitle("swing Application");

        this.setLocation(300, 300);

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        this.setLayout(new FlowLayout());

        buttonSwing = new JButton("I'm swing button");

        this.add(buttonSwing);

        labelClick = new JLabel("Number of button Click = " + bilangan);

        this.add(labelClick);

        buttonSwing.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {

                bilangan = bilangan + 1;

                tambah();

            }

            public void tambah() {

                labelClick.setText("Number of button Click = " + bilangan);

            }

        });

        buttonSwing = new JButton("I'm not swing button");

        this.add(buttonSwing);

        buttonSwing.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {

                bilangan = bilangan - 1;

                kurang();

            }

        });

    }

    public void kurang() {

        labelClick.setText("Number of button Click = " + bilangan);

    }

    public static void main(String[] args) {

        SwingApp2 sw = new SwingApp2();

        sw.setVisible(true);

    }

}

OUTPUT:

 Jika di klik I'm swing button, number of button click akan bertambah 1.

Jika di klik I'm not swing button, number of button click akan berkurang 1.

 

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