//PROGRAM 13-2 import java.awt.*;

//PROGRAM 13-4

import java.awt.event.*;

import java.awt.*;

import javax.swing.*;

import java.awt.event.*;

public class DemoAppletSwing extends JApplet

import javax.swing.*;

implements ActionListener {

class DemoButton implements ActionListener {

public JTextField textField;

public JLabel label;

public JButton button;

public JButton btn1, btn2;

public void init() {

public DemoButton() { ImageIcon icon = new

// mendapatkan container

ImageIcon("images/tunjuk.jpg"); Container cont = getContentPane(); label = new JLabel("Belum ada button yang cont.setLayout(new FlowLayout());

diklik");

// menambahkan komponen JTextField

label.setLocation(60, 40);

textField = new JTextField(25);

label.setSize(label.getPreferredSize());

cont.add(textField, BorderLayout.CENTER);

btn1 = new JButton("Button #1");

// menambahkan komponen JButton

btn1.setLocation(40, 70);

button = new JButton("Tombol Applet");

btn1.setSize(btn1.getPreferredSize());

button.addActionListener(this);

btn1.addActionListener(this);

cont.add(button, BorderLayout.CENTER);

btn2 = new JButton("Button #2", icon);

}

btn2.setLocation(135, 70);

// menangani event klik pada komponen

btn2.setSize(btn2.getPreferredSize());

JButton btn2.addActionListener(this); public void actionPerformed(ActionEvent event) {

} if (event.getSource() == button) {

textField.setText("Anda telah melakukan klik " + "pada tombol Applet"); }

public void createAndShowGUI() { JFrame.setDefaultLookAndFeelDecorated(true); JFrame frame = new JFrame("Demo JButton"); frame.setLayout(null);

} }

frame.setDefaultCloseOperation(JFrame.EXIT_ON _CLOSE);

frame.getContentPane().add(label,

import javax.swing.*;

BorderLayout.CENTER); class DemoCheckBox implements ItemListener { frame.getContentPane().add(btn1); public JLabel label1; frame.getContentPane().add(btn2); frame.setBounds(0, 0, 300, 200);

public JCheckBox checkBox1, checkBox2, checkBox3;

frame.setLocationRelativeTo(null);

private JFrame frame;

frame.setVisible(true);

public DemoCheckBox() {

}

label1 = new JLabel("Pilihan:");

public void actionPerformed(ActionEvent event)

label1.setLocation(10, 10);

{ label1.setSize(label1.getPreferredSize()); if (event.getSource() == btn1) { checkBox1 = new JCheckBox("C", true); label.setText("Button #1 telah diklik"); }

checkBox1.setLocation(10, 25);

else if (event.getSource() == btn2) {

checkBox1.addItemListener(this);

label.setText("Button #2 telah diklik"); checkBox1.setSize(checkBox1 .getPreferredSize()); } checkBox2 = new JCheckBox("C++", true); } checkBox2.setLocation(10, 50); public static void main(String[] args) { checkBox2.addItemListener(this); javax.swing.SwingUtilities.invokeLater(new

checkBox2.setSize(checkBox2 .getPreferredSize());

Runnable() {

checkBox3 = new JCheckBox("Java", true);

public void run() {

checkBox3.setLocation(10, 75);

DemoFrame app = new DemoFrame(); app.createAndShowGUI(); } }); } }

checkBox3.addItemListener(this); checkBox3.setSize(checkBox3 .getPreferredSize()); } public void createAndShowGUI() { JFrame.setDefaultLookAndFeelDecorated(true); frame = new JFrame("Demo JCheckBox"); frame.setLayout(null);

//PROGRAM 13-5 import java.awt.*; import java.awt.event.*;

frame.setDefaultCloseOperation(JFrame.EXIT_ON _CLOSE); frame.getContentPane().add(label1);

frame.getContentPane().add(checkBox1); frame.getContentPane().add(checkBox2);

//PROGRAM 13-9

frame.getContentPane().add(checkBox3);

import java.awt.*;

frame.setBounds(0, 0, 300, 200);

import java.awt.event.*;

frame.setLocationRelativeTo(null);

import javax.swing.*;

frame.setVisible(true);

class DemoComboBox implements ActionListener {

} public JLabel labelNama, labelLahir,

public void itemStateChanged(ItemEvent event) {

labelTanggal, labelBulan, labelTahun; JCheckBox cb = (JCheckBox) event.getSource();

public JTextField tfNama, tfInfo;

if (event.getStateChange() == ItemEvent.SELECTED) {

public JComboBox comboTanggal, comboBulan, comboTahun;

JOptionPane.showMessageDialog(frame,

public JButton btnProses;

"Anda telah memilih: " + cb.getText());

public DemoComboBox() { String s1 = "Nama:"; labelNama = new JLabel(s1);

"Anda telah telah melepas pilihan: " + cb.getText());

labelNama.setLocation(10, 10); labelNama.setSize(labelNama.getPreferredSize())

}

; } public static void main(String[] args) {

tfNama = new JTextField(25); tfNama.setLocation(10, 30);

javax.swing.SwingUtilities.invokeLater(new Runnable() { public void run() { DemoCheckBox app = new DemoCheckBox(); app.createAndShowGUI(); } }); } }

tfNama.setSize(tfNama.getPreferredSize()); String s2 = "Tanggal Lahir:"; labelLahir = new JLabel(s2); labelLahir.setLocation(10, 55); labelLahir.setSize(labelLahir.getPreferredSize()); labelTanggal = new JLabel("Hari ke-"); labelTanggal.setLocation(35, 75);

comboTahun.setSize(labelLahir .getPreferredSize() labelTanggal.setSize(labelTanggal.getPreferredSiz e());

); for (int i=1960; i