Contoh Program Message Dialog di Java

Contoh program berikut ini menampilkan jenis-jenis window pesan di Java. Window pesan (message dialog) antara lain bertipe warning message, information message, confirmation message, dan juga input message. Class yang digunakan adalah class JOptionPane.
Berikut ini tampilannya:


Berikut ini contoh programnya:

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001	import java.awt.*;

002

003	import java.awt.event.*;

004

005	import javax.swing.*;

006

007	public class MessageDialog extends JFrame {

008

009	private JButton tombol, btn2, btn3, btn4, btn5;

010

011	public MessageDialog() {

012

013	super ("Event Handling");

014

015	Container container = getContentPane();

016

017	container.setLayout(new FlowLayout());

018

019	tombol = new JButton ("Message Dialog");

020

021	tombol.addActionListener(

022

023	new ActionListener() {

024

025	public void actionPerformed (ActionEvent e) {

026

027	JOptionPane.showMessageDialog (null,"Contoh Message Dialog");

028

029

}

030

031

}

032

033

);

034

035	container.add(tombol);

036

037	btn2 = new JButton ("Warning Message");

038

039	btn2.addActionListener(

040

041	new ActionListener() {

042

043	public void actionPerformed (ActionEvent e) {

044

045	JOptionPane.showConfirmDialog(null, "Contoh Warning Message","Peringatan",

046

047	JOptionPane.CLOSED_OPTION, JOptionPane.WARNING_MESSAGE);

048

049

}

050

051

}

052

053

);

054

055	container.add(btn2);

056

057	btn3 = new JButton ("Question Message");

058

059	btn3.addActionListener(

060

061	new ActionListener() {

062

063	public void actionPerformed (ActionEvent e) {

064

065	JOptionPane.showConfirmDialog(null, "Contoh Question Message","Pertanyaan",

066

067	JOptionPane.OK_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE);

068

069

}

070

071

}

072

073

);

074

075	container.add(btn3);

076

077	btn4 = new JButton ("Information Message");

078

079	btn4.addActionListener(

080

081	new ActionListener() {

082

083	public void actionPerformed (ActionEvent e) {

084

085	JOptionPane.showConfirmDialog(null, "Contoh Information Message","Informasi",

086

087	JOptionPane.NO_OPTION, JOptionPane.INFORMATION_MESSAGE);

088

089

}

090

091

}

092

093

);

094

095	container.add(btn4);

096

097	btn5 = new JButton ("Input Dialog");

098

099	btn5.addActionListener(

100

101	new ActionListener() {

102

103	public void actionPerformed (ActionEvent e) {

104

105	String a = JOptionPane.showInputDialog("Input Nama : ");

106

107	JOptionPane.showMessageDialog(null, a);

108

109

}

110

111

}

112

113

);

114

115	container.add(btn5);

116

117	setSize (200,300);

118

119	setLocationRelativeTo(null);

120

121	setVisible (true);

122

123

}

124

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

126

127	MessageDialog test = new MessageDialog();

128

129	test.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

130

131

}

132

133

}