Errooooooo

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

public class Caixa_Texto extends JFrame implements KeyListener{
	JTextField T1, T2;
	
	public static void main(String[] args){
        JFrame Janela = new Caixa_Texto();
        Janela.show();
      
        WindowListener x = new WindowAdapter(){
             public void WindowClosing(WindowEvent e){
                 System.exit(0);
          }
        };
        Janela.addWindowListener(x);
   }

   Caixa_Texto(){
	setTitle("Código das Teclas");
	setSize(190,65);
	setResizable(false);
	setLocation(100,100);
	getContentPane().setLayout(new GridLayout(2,1));
	T1 = new JTextField();
	T2 = new JTextField();
	T1.addKeyListener(this);
	getContentPane().add(T1);
	getContentPane().add(T2);
}

public void KeyPressed(KeyEvent e)
{
	  T2.setText(""+e.getKeyCode());
}

   public void KeyReleased(KeyEvent e){}
   public void KeyTyped(KeyEvent e){}

}