И что ему не нравится?

package com.javarush.games.snake; import com.javarush.engine.cell.Color; import com.javarush.engine.cell.Game; import com.javarush.engine.cell.Key; public class SnakeGame extends Game { private Snake snake; private int turnDelay; public static void main(String[] args) { new SnakeGame().initialize(); } public static final int WIDTH = 15; public static final int HEIGHT = 15; @Override public void initialize() { setScreenSize(WIDTH, HEIGHT); createGame(); } private void createGame() { turnDelay = 300; setTurnTimer(turnDelay); snake = new Snake(WIDTH / 2, HEIGHT / 2); drawScene(); } private void drawScene() { for (int i = 0; i < WIDTH; i++) { for (int j = 0; j < HEIGHT; j++) { setCellValueEx(i, j, Color.DARKSEAGREEN, ""); } } snake.draw(this); } @Override public void onTurn(int step) { snake.move(); drawScene(); } @Override public void onKeyPress(Key key) { if (key == Key.LEFT) { snake.setDirection(Direction.LEFT); } else if (key == Key.RIGHT) { snake.setDirection(Direction.RIGHT); } else if (key == Key.UP) { snake.setDirection(Direction.UP); } else if (key == Key.DOWN) { snake.setDirection(Direction.DOWN); } } }