import java.awt.*;
import java.awt.event.*;
import java.applet.*;

public class KeyDown extends Applet implements KeyListener {
        
        private String keyChar = null;
        private int x = 0, y = 100;
        private boolean keyIsDown = false;
        
        public KeyDown() {
                addKeyListener(this);
    }
        
        public void keyPressed(KeyEvent evt) {
                keyIsDown = true;
                keyChar = evt.getKeyChar()+"";
                repaint();
        }   

        public void keyTyped(KeyEvent evt) { 
        }
   
        public void keyReleased(KeyEvent evt) { 
                keyIsDown = false;
                repaint();
        }

        public void paint(Graphics g) {
                if (keyIsDown) {
                        g.setColor(Color.red);
                        g.setFont(new Font("Times New Roman", Font.BOLD, 48));
			g.drawString(keyChar, (x + 40), (y + 60));
                        
			System.out.println(keyChar);
			
                        g.setColor(Color.black);
                        g.fillOval(x, y, 100, 100);
                } else {
                        g.setColor(Color.lightGray);
                        g.fillOval(x, y, 100, 100);
                }
        }
        
        public void update(Graphics g){
                paint(g);
        }
        
}