CheckboxExample

import java.awt.*;

import java.awt.event.*;

class CheckboxExample extends WindowAdapter implements ItemListener{

  Frame f;

  Panel p;

  Checkbox one,twe, three;

  TextField tf;

 

  public static void main(String args[]){

    CheckboxExample ce=new CheckboxExample();

    ce.go();

  }

 

  public void go(){

    f=new Frame("Checkbox Example");

    p=new Panel();

 

    one=new Checkbox("one");

    two=new Checkbox("two");

    three=new checkbox("three");

 

    one.addItemListener(this);

    two.addItemListener(this);

    three.addItemListener(this);

 

    p.add(one);

    p.add(two);

    p.add(three);

    f.add(p,"Center");

 

   tf=new TextField();

   f.add(tf,"South");

 

    f.addWindowListener(this);

    f.setSize(300,500);

    f.setVisible(true);

  }

 

  public void itemStateChanged(ItemEvent e){

    String state="deselected";

    String st;

 

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

      state="selected";

    }

    st=e.getItem()+""+state;

    tf.setText(st);

  }

 

  public void windowClosing(WindowEvent e){

    System.exit(0);

  }

}