1
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class Letras extends Frame implements Runnable,KeyListener{
    private final Label pontuacao;
    private final Label mostraPontos;
    private final Button start;
    private final Label letraCair;
    char l[] = {'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R',
            'S','U','V','W','Y','X','Z'};
    public static void main(String[] args) {
        Letras letra = new Letras();
        letra.setVisible(true);
        letra.setSize(1100,400);
    }
    public void run() {
        int x = letraCair.getX();
        int y = letraCair.getY();
        try {
            while(y <250) {
                for (int i = 0; i < l.length; i++) {
                    int retornaChar = (int)(Math.random()*25);
                    letraCair.setText(l[retornaChar]+"");
                    letraCair.setLocation(x, y+10);
                    y+=10;
                    Thread.sleep(1000);
                }
            }
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
    public void keyPressed(KeyEvent e) {
//testando keylistener sem sucesso
        mostraPontos.setText(e.getKeyChar()+"");
    }
    public void keyReleased(KeyEvent arg0) {
    }
    public void keyTyped(KeyEvent e) {
    }
    public void paint(Graphics g) {
        g.drawRect(50, 50, 1000, 300);
        g.drawLine(800, 50, 800, 350);
    }
    //Construtor
    public Letras() {
        super("jogo de Letras");
        setLayout(null);
        setVisible(true);
        start = new Button("Start");
        pontuacao = new Label("PONTOS");
        mostraPontos = new Label("0");
        letraCair = new Label();
        add(mostraPontos).setBounds(900, 110, 130, 30);
        add(pontuacao).setBounds(880, 90, 60, 30);
        add(start).setBounds(900, 300, 60, 30);
        add(letraCair).setBounds(400, 60, 40, 10);
        addKeyListener(this);
        start.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent arg0) {
                run();
            }
        }); 
        this.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent arg0) {
                System.exit(0);
            }
        });
    }
}