2.0

src/main/java/com/example/demo/GameConsoleApplication.java

@@ -9,15 +9,23 @@ public class GameConsoleApplication {
 	public static void main(String[] args) {
 		SpringApplication.run(GameConsoleApplication.class, args);
 
-		GameRunner gameRunner = new GameRunner();
+		GameRunnerConsole gameRunner = new GameRunnerConsole();
 		gameRunner.runGame();
 	}
 }
 
-class GameRunner {
-	private final PacMan game;
+interface GamingConsole {
+	public void up();
+	public void down();
+	public void left();
+	public void right();
+	public void start();
+}
+
+class GameRunnerConsole {
+	private GamingConsole game;
 
-	public GameRunner() {
+	public GameRunnerConsole() {
 		this.game = new PacMan();
 	}
 
@@ -30,7 +38,7 @@ class GameRunner {
 	}
 }
 
-class PacMan {
+class PacMan implements GamingConsole {
 	public void start() {
 		System.out.println("Starting PacMan game...");
 	}