graphics

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

public class Gui extends JFrame implements KeyListener {
    public Gui() {
        setTitle("My title");
        setSize(300, 300);
        setLocationRelativeTo(null);
        setDefaultCloseOperation(EXIT_ON_CLOSE);

        Board board = new Board();
        add(board);

        addKeyListener(this);
    }

    private String american2dvorak(String american) {
        Map<String, String> keymap = new HashMap<String, String>();
        keymap.put("r", "p");
        keymap.put("t", "y");
        keymap.put("y", "f");
        keymap.put("u", "g");
        keymap.put("i", "c");
        keymap.put("o", "r");
        keymap.put("p", "l");
        keymap.put("s", "o");
        keymap.put("d", "e");
        keymap.put("f", "u");
        if(keymap.get(american) == null) {
            return american;
        }
        else {
          return keymap.get(american);
        }
    }


    public void keyPressed(KeyEvent e) {
    }

    public void keyReleased(KeyEvent e) {
    }

    public void keyTyped(KeyEvent e) {
        System.out.println(american2dvorak(Character.toString(e.getKeyChar())));
    }

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

    private class Board extends JPanel implements ActionListener {
        public int y;

        public Board() {
            y = 150;
            javax.swing.Timer t = new javax.swing.Timer(100, this);
            t.start();
        }

        @Override
        public void paintComponent(Graphics g) {
          super.paintComponent(g);
          String msg = "Game Over";
          Font small = new Font("Helvetica", Font.BOLD, 14);
          FontMetrics metr = getFontMetrics(small);

          if(y > 200) {
              g.setColor(Color.blue);
          }
          else {
              g.setColor(Color.red);
          }
          g.setFont(small);
          g.drawString(msg, (300 - metr.stringWidth(msg)) / 2, y);
        }

        public void actionPerformed(ActionEvent e) {
            y++;
            repaint();
        }
    }
}