import java.awt.*;
import java.awt.event.*;
import java.applet.*;
/*
<applet code="Applet5" width=250 height=200>
</applet>
*/
public class Applet5 extends Applet implements ItemListener
{
String msg = "";
Checkbox Win98, winNT, solaris, mac;
CheckboxGroup cbg;
public void init()
{
cbg = new CheckboxGroup();
Win98 = new Checkbox("Windows 98/XP", cbg, true);
winNT = new Checkbox("Windows NT/2000", cbg, false);
solaris = new Checkbox("Solaris", cbg, false);
mac = new Checkbox("MacOS", cbg, false);
add(Win98);
add(winNT);
add(solaris);
add(mac);
Win98.addItemListener(this);
winNT.addItemListener(this);
solaris.addItemListener(this);
mac.addItemListener(this);
}
public void itemStateChanged(ItemEvent ie)
{
repaint();
}
public void paint(Graphics g) {
msg = "Current selection: " + cbg.getSelectedCheckbox().getLabel();
g.drawString(msg, 6, 100);
}
}
Output: