keylistener

package keyprogram;

import java.awt.event.*;
import javax.swing.*;

public class KeyProgram extends JFrame implements KeyListener {

    JTextField KeyCodeT = new JTextField("Key Code:");

    public KeyProgram() {
        KeyCodeT.addKeyListener(this);
        KeyCodeT.setEditable(false);
        add(KeyCodeT);

        setSize(300, 300);
    }

    public void keyPressed(KeyEvent e) {
        System.out.println("Key Pressed!!!");

        if (e.getKeyCode() == 27) {
            JOptionPane.showMessageDialog(null, "Good  Bye");
            System.exit(0);
        }

    }

    public void keyReleased(KeyEvent e) {
        System.out.println("Key Released!!!");
        KeyCodeT.setText("Key Code:" + e.getKeyCode());

    }

    public void keyTyped(KeyEvent e) {
    }

    public static void main(String[] args) {
       KeyProgram key = new KeyProgram();
       key.setVisible(true);
    }
}