12) To select gender from Checkboxes using Item Event

source code name: itemevent2.java

 import java.awt.*;
import java.awt.event.*;
class itemevent2 extends Frame  implements ItemListener
{
public static void main(String as[])
{
itemevent2 f=new itemevent2();
f.setSize(400,400);
f.setVisible(true);
}
Checkbox cb1,cb2;
Label lb;
public itemevent2()
{
FlowLayout fl=new FlowLayout(1,15,20);
setLayout(fl);
Label l1=new Label("select your Gender");
CheckboxGroup cbg=new CheckboxGroup();
cb1=new Checkbox("Male",cbg, true);
cb2=new Checkbox("Female",cbg, false);
lb=new Label("                         ");
add(l1);add(cb1);
add(cb2); add(lb);
cb1.addItemListener(this);
cb2.addItemListener(this);
}

public void itemStateChanged(ItemEvent ie)
{
String str="Selected Gender is: ";
if(ie.getSource()==cb1)
str+=" Male";
if(ie.getSource()==cb2)
str+=" Female";
lb.setText(str);
}
}

output: