Bachelor of Computer Application Helpline For Bangalore University Students: Write a program to implement keyboard events.

import java.awt.*;
import java.applet.*;
import java.awt.event.*;
public class KeyBoard extends Applet implements KeyListener
{
   String msg=" ";
   public void init()
   {
       addKeyListener(this);
       requestFocus();
   }
   public void keyTyped(KeyEvent ke)
   {
       msg=ke.getKeyChar();
       repaint();
   }
   public void paint(Graphics g)
   {
       g.drawString(msg,100,50);
   }
   public void keyReleased(KeyEvent ke)
   {
       msg="mouseReleased";
       repaint();
   }
   public void keyPressed(KeyEvent ke)
   {
       int k=ke.getKeyCode();
       switch(k)
       {
           case KeyEvent.VK_F1:msg="F1";
               break;
           case KeyEvent.VK_F2:msg="F2";
               break;
           case KeyEvent.VK_F3:msg="F3";
               break;
           case KeyEvent.VK_PAGE_UP:msg="Pageup";
               break;
           case KeyEvent.VK_PAGE_DOWN:msg="Pagedown";
               break;
           case KeyEvent.VK_LEFT:msg="Left arrow";
               break;
           case KeyEvent.VK_RIGHT:msg="Right arrow";
               break;
       }
       repaint();
   }
}

HTML Code
<html>
<title>Keyboard Events</title>
<Body><Applet code="KeyBoard.class" height=100 width=700></applet>
</body>
</html>

Output

Pages

Write a program to implement keyboard events.

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