import java.awt.*; 
import java.awt.event.*;   
	public class KeyListenerTester extends Frame implements KeyListener{  
	TextField t1;
	Label l1;
    public KeyListenerTester(String s )   {  
    super(s); 
	Panel p =new Panel();
	l1 = new Label ("Key Listener!" ) ;
	p.add(l1);  
	add(p);
    addKeyListener ( this ) ; 
	setSize ( 200,100 );
	setVisible(true);
	addWindowListener(new WindowAdapter(){
	public void windowClosing(WindowEvent e){
	System.exit(0);
	   }
	});
  }  
    public void keyTyped ( KeyEvent e ){  
	l1.setText("Key Typed");
     }  
		public void keyPressed ( KeyEvent e){  
		l1.setText ( "Key Pressed" ) ; 
		}  
		public void keyReleased ( KeyEvent e ){  
		l1.setText( "Key Released" ) ; 
		}  
		public static void main (String[]args ){  
		new KeyListenerTester ( "Key Listener Tester" ) ; 
     }  
  }