TUGAS JAVA

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

 class CheckHandling extends JFrame implements ItemListener {

                private JTextField teks;

                private JPanel panel;

                private JCheckBox chkbox1,chkbox2,chkbox3;

 public CheckHandling () {

                setTitle ("Coba CheckBox Handling");

                teks = new JTextField ("Jenis Kelamin : Pilihan");

                teks.setHorizontalAlignment (SwingConstants.CENTER);

                panel = new JPanel(new FlowLayout ());

                chkbox1 = new JCheckBox("Pria");

                chkbox2 = new JCheckBox("Wanita");

                chkbox3 = new JCheckBox("Banci");

                ButtonGroup group = new ButtonGroup ();

                group.add (chkbox1);

                group.add (chkbox2);

                group.add (chkbox3);

                chkbox1.addItemListener(this);

                chkbox2.addItemListener(this);

                chkbox3.addItemListener(this);

                setLayout (new BorderLayout ());

                add (teks, "North");

                add (panel, "West");

                panel.add(chkbox1);

                panel.add(chkbox2);

                panel.add(chkbox3);

                pack ();

                setVisible(true);

                setLocation (200,200);

                setDefaultCloseOperation(EXIT_ON_CLOSE);

                }

                public void itemStateChanged (ItemEvent event) {

                                if (event.getSource () ==chkbox1) {

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

                                                                teks.setText ("Jenis Kelamin : Pria");

                                }

                                if (event.getSource()==chkbox2) {

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

                                                                teks.setText ("Jenis Kelamin : Wanita");

                                }

                                if (event.getSource () ==chkbox3) {

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

                                                                teks.setText ("Jenis Kelamin : Banci");

                                }

                  }

}

public  class EventCheck {

                public static void main (String[] args) {

                new CheckHandling ();

                }

}

Output :