Contoh Program Event Handling Pada Java

01	import java.awt.*;

02

03	import java.awt.event.*;

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05	import javax.swing.*;

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07

08

09	public class ClickMe3 extends JFrame {

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11	private JButton tombol, btnExit;

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13

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15	public ClickMe3() {

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17	super ("Event Handling");

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19

20

21	Container container = getContentPane();

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23	container.setLayout(new FlowLayout());

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25	ClickListener cl = new ClickListener ();

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29	tombol = new JButton ("Click Me!");

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31	tombol.addActionListener(cl);

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33	container.add(tombol);

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35

36

37	btnExit = new JButton ("Exit");

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39	btnExit.addActionListener(cl);

40

41	container.add(btnExit);

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43

44

45	setSize (200,100);

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47	setVisible (true);

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49

}

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52

53	public static void main (String arg[]) {

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55	ClickMe3 test = new ClickMe3();

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57	test.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

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59

}

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61

62

63	//inner class

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65	private class ClickListener implements ActionListener {

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67	public void actionPerformed (ActionEvent e) {

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69	if (e.getSource() == tombol) {

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71	JOptionPane.showMessageDialog(null, "You click me again, guys !!!");

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73	} else if (e.getSource() == btnExit){

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75	if ( JOptionPane.showConfirmDialog(null, "Apakah Anda yakin akan keluar ?","Konfirmasi",

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77	JOptionPane.OK_CANCEL_OPTION,JOptionPane.QUESTION_MESSAGE) == JOptionPane.OK_OPTION) {

78

79	System.exit(0);

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}

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83

}

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}

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87

}

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89

}

Semoga Bermanfaat....