1단계

GitHub - kyukong/java-racingcar at kyukong

https://github.com/woowacourse/java-racingcar/pull/295

2단계

GitHub - kyukong/java-racingcar at step2

https://github.com/woowacourse/java-racingcar/pull/391

3단계(리팩토링)

GitHub - kyukong/java-racingcar at step3