From a9fc3eaf8b3dee609edc55d0137feb139f6b180e Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 19:28:58 +0900
Subject: [PATCH 01/26] =?UTF-8?q?chore:=20=EC=9E=90=EB=B0=94=20=EB=B2=84?=
 =?UTF-8?q?=EC=A0=84=20=EB=B3=80=EA=B2=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 build.gradle | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.gradle b/build.gradle
index 45d61697f..edc026cd8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,7 +14,7 @@ dependencies {
 
 java {
     toolchain {
-        languageVersion = JavaLanguageVersion.of(8)
+        languageVersion = JavaLanguageVersion.of(11)
     }
 }
 

From c5f7c13b8a157c3721dbe01f2654b9d4c50dfaa1 Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 19:29:44 +0900
Subject: [PATCH 02/26] =?UTF-8?q?style:=20=EC=BD=94=EB=93=9C=20=ED=8F=AC?=
 =?UTF-8?q?=EB=A7=B7=20=ED=86=B5=EC=9D=BC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/test/java/racingcar/ApplicationTest.java | 24 ++++++++++----------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/src/test/java/racingcar/ApplicationTest.java b/src/test/java/racingcar/ApplicationTest.java
index 8f6f70a21..6332501aa 100644
--- a/src/test/java/racingcar/ApplicationTest.java
+++ b/src/test/java/racingcar/ApplicationTest.java
@@ -1,12 +1,12 @@
 package racingcar;
 
-import camp.nextstep.edu.missionutils.test.NsTest;
-import org.junit.jupiter.api.Test;
-
 import static camp.nextstep.edu.missionutils.test.Assertions.assertRandomNumberInRangeTest;
 import static camp.nextstep.edu.missionutils.test.Assertions.assertSimpleTest;
 import static org.assertj.core.api.Assertions.assertThat;
 
+import camp.nextstep.edu.missionutils.test.NsTest;
+import org.junit.jupiter.api.Test;
+
 class ApplicationTest extends NsTest {
     private static final int MOVING_FORWARD = 4;
     private static final int STOP = 3;
@@ -16,21 +16,21 @@ class ApplicationTest extends NsTest {
     @Test
     void 전진_정지() {
         assertRandomNumberInRangeTest(
-            () -> {
-                run("pobi,woni", "1");
-                assertThat(output()).contains("pobi : -", "woni : ", "최종 우승자 : pobi");
-            },
-            MOVING_FORWARD, STOP
+                () -> {
+                    run("pobi,woni", "1");
+                    assertThat(output()).contains("pobi : -", "woni : ", "최종 우승자 : pobi");
+                },
+                MOVING_FORWARD, STOP
         );
     }
 
     @Test
     void 이름에_대한_예외_처리() {
         assertSimpleTest(
-            () -> {
-                runException("pobi,javaji");
-                assertThat(output()).contains(ERROR_MESSAGE);
-            }
+                () -> {
+                    runException("pobi,javaji");
+                    assertThat(output()).contains(ERROR_MESSAGE);
+                }
         );
     }
 

From 9cc2fc560efd368be9678a91e51e1ba089d574fe Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 20:02:40 +0900
Subject: [PATCH 03/26] =?UTF-8?q?docs:=20=EB=AF=B8=EC=85=98=20=EB=AA=85?=
 =?UTF-8?q?=EC=84=B8=EC=84=9C=20=EA=B8=B0=EB=8A=A5=20=EB=AA=A9=EB=A1=9D=20?=
 =?UTF-8?q?=EC=9E=91=EC=84=B1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/README.md | 104 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 docs/README.md

diff --git a/docs/README.md b/docs/README.md
new file mode 100644
index 000000000..250e485a3
--- /dev/null
+++ b/docs/README.md
@@ -0,0 +1,104 @@
+# [미션 - 자동차 경주 게임] 명세서
+
+## 목차
+
+1. [기능 목록](#-기능-목록)
+2. [상수값 목록](#-상수값-목록)
+3. [단위 테스트 목록](#-단위테스트-목록)
+4. [클래스 설계](#-클래스-설계)
+5. [리팩토링 검토 목록](#%EF%B8%8F-리팩토링-검토-목록)
+
+## 🚀 기능 목록
+
+### 로직 분리에 따른 예외 발생 기준
+
+- 예외 발생 시 적합한 표준예외를 사용한다.
+- 기본 UI 검증 오류는 `view`에서, 도메인 기능에서 발생하는 오류는 `service`에서 예외를 발생시킨다.
+
+### 도메인 구성 요소
+
+- 자동차
+    - 이름
+    - 위치
+- 게임에 참여한 모든 자동차 목록
+- 자동차가 이동하기 위한 값 생성기
+- 시도 회수
+- 게임 결과
+    - 우승한 자동차 이름 모음 (1~n명)
+
+### 도메인 로직을 위한 기능
+
+1.
+    - [ ] 경주할 모든 자동차의 이름을 저장하는 기능
+        - [ ] `예외발생` : 이름의 길이가 5자 초과
+        - [ ] `예외발생` : 경주할 자동차가 1대
+2.
+    - [ ] 랜덤 숫자를 생성하는 기능
+3.
+    - [ ] 자동차가 전달받은 숫자에 따라 이동(전진하거나 전진하지않음)하는 기능
+        - [ ] `예외발생` : 전달받은 숫자가 범위 밖
+4.
+    - [ ] 자동차 간 위치를 비교해 가장 값이 큰, 최소 1명 최대 n명의 우승자를 구하는 기능
+5.
+    - [ ] 전달받은 회수 만큼 자동차 이동을 실행시키는 기능
+
+### UI 로직을 위한 기능
+
+1.
+    - [ ] 경주할 모든 자동차 이름을 형식에 맞게 입력받는 기능
+        - [ ] `예외발생` : 빈 문자열
+        - [ ] `예외발생` : 입력값 형식에 맞지 않음
+2.
+    - [ ] 시도할 회수를 입력받는 기능
+        - [ ] `예외발생` : 자연수가 아닌 값
+3.
+    - [ ] 차수 별 실행 결과 출력
+4.
+    - [ ] 우승자 안내 문구 출력
+5.
+    - [ ] 이름 형식을 쉼표 구분 <-> 리스트로 파싱
+6.
+    - [ ] 에러 메시지 출력
+7.
+    - [ ] 잘못된 값 입력 시 그 부분부터 재입력
+
+## 🗄 상수값 목록
+
+### 도메인 로직 정보
+
+- [ ] 이동 숫자 0 ~ 9, 전진 조건 4
+- [ ] 이름 길이 제한 5
+
+### UI 로직 정보
+
+- [ ] 구분자 쉼표
+- [ ] 입력 안내 메시지
+- [ ] 실행 결과 출력 형식
+- [ ] 우승자 안내 문구 출력 형식
+- [ ] 에러메시지 출력 형식
+
+## ✅ 단위테스트 목록
+
+### 도메인 로직 단위테스트
+
+- [ ] 기능1 단위테스트
+    - [ ] 실행 성공
+    - [ ] 예외 테스트
+
+## 🖋 클래스 설계
+
+[작성 예정]
+
+## ♻️ 리팩토링 검토 목록
+
+### 코드 스타일 및 요구사항
+
+- [ ] 인덴트 2 이하 검토
+- [ ] 메소드 분리 검토
+- [ ] 메소드 길이 10라인 이하 검토
+- [ ] 파라미터 개수 3개 이하 검토
+- [ ] 변수, 메소드 선언 순서 정리 (메소드 정렬 기준 1순위: 메소드 간 논리적 연관성, 2순위: public-private)
+- [ ] Java 코드 컨벤션 가이드 준수 검토
+- [ ] 요구사항에 주어진 클래스 적용 규칙 검토
+- [ ] TODO 주석 모두 해결 후 삭제
+- [ ] 클래스 주석 작성
\ No newline at end of file

From 332470057c1378985e3b2d962d27a5150b00b01c Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 20:33:29 +0900
Subject: [PATCH 04/26] =?UTF-8?q?feat:=20=EC=9D=B4=EB=A6=84=20=ED=98=95?=
 =?UTF-8?q?=EC=8B=9D=EC=9D=84=20=EC=89=BC=ED=91=9C=20=EA=B5=AC=EB=B6=84=20?=
 =?UTF-8?q?<->=20=EB=A6=AC=EC=8A=A4=ED=8A=B8=EB=A1=9C=20=ED=8C=8C=EC=8B=B1?=
 =?UTF-8?q?=ED=95=98=EB=8A=94=20=EA=B8=B0=EB=8A=A5=20=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/README.md                                | 14 +++----
 .../view/constants/ErrorMessage.java          |  6 +++
 .../java/racingcar/view/constants/Format.java |  6 +++
 .../racingcar/view/util/FormatParser.java     | 38 +++++++++++++++++++
 4 files changed, 57 insertions(+), 7 deletions(-)
 create mode 100644 src/main/java/racingcar/view/constants/ErrorMessage.java
 create mode 100644 src/main/java/racingcar/view/constants/Format.java
 create mode 100644 src/main/java/racingcar/view/util/FormatParser.java

diff --git a/docs/README.md b/docs/README.md
index 250e485a3..ab46acd9e 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -46,21 +46,21 @@
 
 1.
     - [ ] 경주할 모든 자동차 이름을 형식에 맞게 입력받는 기능
-        - [ ] `예외발생` : 빈 문자열
-        - [ ] `예외발생` : 입력값 형식에 맞지 않음
+        - [x] `예외발생` : 빈 문자열
+        - [x] `예외발생` : 입력값 형식에 맞지 않음
 2.
     - [ ] 시도할 회수를 입력받는 기능
         - [ ] `예외발생` : 자연수가 아닌 값
 3.
-    - [ ] 차수 별 실행 결과 출력
+    - [ ] 차수 별 실행 결과 출력하는 기능
 4.
-    - [ ] 우승자 안내 문구 출력
+    - [ ] 우승자 안내 문구 출력하는 기능
 5.
-    - [ ] 이름 형식을 쉼표 구분 <-> 리스트로 파싱
+    - [x] 이름 형식을 쉼표 구분 <-> 리스트로 파싱하는 기능
 6.
-    - [ ] 에러 메시지 출력
+    - [ ] 에러 메시지 출력하는 기능
 7.
-    - [ ] 잘못된 값 입력 시 그 부분부터 재입력
+    - [ ] 잘못된 값 입력 시 그 부분부터 재입력하는 기능
 
 ## 🗄 상수값 목록
 
diff --git a/src/main/java/racingcar/view/constants/ErrorMessage.java b/src/main/java/racingcar/view/constants/ErrorMessage.java
new file mode 100644
index 000000000..a820082c3
--- /dev/null
+++ b/src/main/java/racingcar/view/constants/ErrorMessage.java
@@ -0,0 +1,6 @@
+package racingcar.view.constants;
+
+public class ErrorMessage {
+    public static final String FORMAT_EMPTY = "형식 내의 값 중 빈 문자열이 있습니다.";
+    public static final String INPUT_EMPTY = "입력값이 빈 값입니다.";
+}
diff --git a/src/main/java/racingcar/view/constants/Format.java b/src/main/java/racingcar/view/constants/Format.java
new file mode 100644
index 000000000..d592389e8
--- /dev/null
+++ b/src/main/java/racingcar/view/constants/Format.java
@@ -0,0 +1,6 @@
+package racingcar.view.constants;
+
+public class Format {
+    public static final String INPUT_NAMES_DELIMITER = ",";
+    public static final String OUTPUT_NAMES_DELIMITER = ", ";
+}
diff --git a/src/main/java/racingcar/view/util/FormatParser.java b/src/main/java/racingcar/view/util/FormatParser.java
new file mode 100644
index 000000000..4e8da4a7a
--- /dev/null
+++ b/src/main/java/racingcar/view/util/FormatParser.java
@@ -0,0 +1,38 @@
+package racingcar.view.util;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.StringJoiner;
+import java.util.stream.Collectors;
+import racingcar.view.constants.ErrorMessage;
+
+public class FormatParser {
+    private FormatParser() {
+    }
+
+    public static List<String> split(String line, String delimiter) {
+        String[] values = line.split(delimiter);
+        List<String> parsedValue = Arrays.stream(values)
+                .map(String::trim)
+                .collect(Collectors.toList());
+        validateEmpty(parsedValue);
+        return null;
+    }
+
+    public static String join(List<String> values, String delimiter) {
+        StringJoiner joiner = new StringJoiner(delimiter);
+        values.forEach(joiner::add);
+        return joiner.toString();
+    }
+
+    private static void validateEmpty(List<String> values) {
+        if (hasEmptyValue(values)) {
+            throw new IllegalArgumentException(ErrorMessage.FORMAT_EMPTY);
+        }
+    }
+
+    private static boolean hasEmptyValue(List<String> values) {
+        return values.stream()
+                .anyMatch(String::isEmpty);
+    }
+}

From 921f02ea245af829dddc9eb97d46db9317c47ed6 Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 20:40:41 +0900
Subject: [PATCH 05/26] =?UTF-8?q?feat:=20=EA=B2=BD=EC=A3=BC=ED=95=A0=20?=
 =?UTF-8?q?=EB=AA=A8=EB=93=A0=20=EC=9E=90=EB=8F=99=EC=B0=A8=20=EC=9D=B4?=
 =?UTF-8?q?=EB=A6=84=EC=9D=84=20=ED=98=95=EC=8B=9D=EC=97=90=20=EB=A7=9E?=
 =?UTF-8?q?=EA=B2=8C=20=EC=9E=85=EB=A0=A5=EB=B0=9B=EB=8A=94=20=EA=B8=B0?=
 =?UTF-8?q?=EB=8A=A5=20=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/README.md                                |  2 +-
 src/main/java/racingcar/Application.java      |  5 ++-
 .../controller/RacingController.java          | 17 ++++++++++
 src/main/java/racingcar/view/InputView.java   | 31 +++++++++++++++++++
 .../view/constants/ErrorMessage.java          |  2 +-
 .../view/constants/InputMessage.java          |  5 +++
 .../racingcar/view/util/FormatParser.java     |  2 +-
 7 files changed, 60 insertions(+), 4 deletions(-)
 create mode 100644 src/main/java/racingcar/controller/RacingController.java
 create mode 100644 src/main/java/racingcar/view/InputView.java
 create mode 100644 src/main/java/racingcar/view/constants/InputMessage.java

diff --git a/docs/README.md b/docs/README.md
index ab46acd9e..4ab4fb993 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -45,7 +45,7 @@
 ### UI 로직을 위한 기능
 
 1.
-    - [ ] 경주할 모든 자동차 이름을 형식에 맞게 입력받는 기능
+    - [x] 경주할 모든 자동차 이름을 형식에 맞게 입력받는 기능
         - [x] `예외발생` : 빈 문자열
         - [x] `예외발생` : 입력값 형식에 맞지 않음
 2.
diff --git a/src/main/java/racingcar/Application.java b/src/main/java/racingcar/Application.java
index b9ed0456a..3db9dee21 100644
--- a/src/main/java/racingcar/Application.java
+++ b/src/main/java/racingcar/Application.java
@@ -1,7 +1,10 @@
 package racingcar;
 
+import racingcar.controller.RacingController;
+
 public class Application {
     public static void main(String[] args) {
-        // TODO 구현 진행
+        RacingController racingController = new RacingController();
+        racingController.run();
     }
 }
diff --git a/src/main/java/racingcar/controller/RacingController.java b/src/main/java/racingcar/controller/RacingController.java
new file mode 100644
index 000000000..ac3a4d3e0
--- /dev/null
+++ b/src/main/java/racingcar/controller/RacingController.java
@@ -0,0 +1,17 @@
+package racingcar.controller;
+
+import java.util.List;
+import racingcar.view.InputView;
+
+public class RacingController {
+    private static final InputView inputView = new InputView();
+
+    public void run() {
+        enrollCarToRace();
+    }
+
+    public void enrollCarToRace() {
+        List<String> carNames = inputView.inputCarNames();
+        System.out.println(carNames);
+    }
+}
diff --git a/src/main/java/racingcar/view/InputView.java b/src/main/java/racingcar/view/InputView.java
new file mode 100644
index 000000000..6cc38095d
--- /dev/null
+++ b/src/main/java/racingcar/view/InputView.java
@@ -0,0 +1,31 @@
+package racingcar.view;
+
+import static racingcar.view.constants.Format.INPUT_NAMES_DELIMITER;
+
+import camp.nextstep.edu.missionutils.Console;
+import java.util.List;
+import racingcar.view.constants.ErrorMessage;
+import racingcar.view.constants.InputMessage;
+import racingcar.view.util.FormatParser;
+
+public class InputView {
+    public List<String> inputCarNames() {
+        System.out.println(InputMessage.CAR_NAMES);
+        String line = Console.readLine();
+        validateEmpty(line);
+        return FormatParser.split(line, INPUT_NAMES_DELIMITER);
+    }
+
+    private void validateEmpty(String line) {
+        if (hasWrongFormat(line)) {
+            throw new IllegalArgumentException(ErrorMessage.FORMAT_INVALID);
+        }
+    }
+
+    private boolean hasWrongFormat(String line) {
+        if (line.isEmpty()) {
+            return true;
+        }
+        return line.startsWith(INPUT_NAMES_DELIMITER) || line.endsWith(INPUT_NAMES_DELIMITER);
+    }
+}
diff --git a/src/main/java/racingcar/view/constants/ErrorMessage.java b/src/main/java/racingcar/view/constants/ErrorMessage.java
index a820082c3..dac49e5d1 100644
--- a/src/main/java/racingcar/view/constants/ErrorMessage.java
+++ b/src/main/java/racingcar/view/constants/ErrorMessage.java
@@ -2,5 +2,5 @@
 
 public class ErrorMessage {
     public static final String FORMAT_EMPTY = "형식 내의 값 중 빈 문자열이 있습니다.";
-    public static final String INPUT_EMPTY = "입력값이 빈 값입니다.";
+    public static final String FORMAT_INVALID = "입력값의 형식이 잘못되었습니다.";
 }
diff --git a/src/main/java/racingcar/view/constants/InputMessage.java b/src/main/java/racingcar/view/constants/InputMessage.java
new file mode 100644
index 000000000..cba0c5ab0
--- /dev/null
+++ b/src/main/java/racingcar/view/constants/InputMessage.java
@@ -0,0 +1,5 @@
+package racingcar.view.constants;
+
+public class InputMessage {
+    public static final String CAR_NAMES = "경주할 자동차 이름을 입력하세요.(이름은 쉼표(,) 기준으로 구분)";
+}
diff --git a/src/main/java/racingcar/view/util/FormatParser.java b/src/main/java/racingcar/view/util/FormatParser.java
index 4e8da4a7a..e2429d5c5 100644
--- a/src/main/java/racingcar/view/util/FormatParser.java
+++ b/src/main/java/racingcar/view/util/FormatParser.java
@@ -16,7 +16,7 @@ public static List<String> split(String line, String delimiter) {
                 .map(String::trim)
                 .collect(Collectors.toList());
         validateEmpty(parsedValue);
-        return null;
+        return parsedValue;
     }
 
     public static String join(List<String> values, String delimiter) {

From a805b40e863279557042e158073a739540549b94 Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 20:54:49 +0900
Subject: [PATCH 06/26] =?UTF-8?q?feat:=20=EA=B2=BD=EC=A3=BC=ED=95=A0=20?=
 =?UTF-8?q?=EB=AA=A8=EB=93=A0=20=EC=9E=90=EB=8F=99=EC=B0=A8=EC=9D=98=20?=
 =?UTF-8?q?=EC=9D=B4=EB=A6=84=EC=9D=84=20=EC=A0=80=EC=9E=A5=ED=95=98?=
 =?UTF-8?q?=EB=8A=94=20=EA=B8=B0=EB=8A=A5=20=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/README.md                                | 13 +++++----
 src/main/java/racingcar/Car.java              | 12 --------
 .../controller/RacingController.java          |  4 ++-
 src/main/java/racingcar/model/RacingGame.java | 22 +++++++++++++++
 .../model/constants/ErrorMessage.java         |  6 ++++
 .../racingcar/model/constants/GameRule.java   |  6 ++++
 src/main/java/racingcar/model/domain/Car.java | 28 +++++++++++++++++++
 src/main/java/racingcar/view/OutputView.java  |  4 +++
 8 files changed, 77 insertions(+), 18 deletions(-)
 delete mode 100644 src/main/java/racingcar/Car.java
 create mode 100644 src/main/java/racingcar/model/RacingGame.java
 create mode 100644 src/main/java/racingcar/model/constants/ErrorMessage.java
 create mode 100644 src/main/java/racingcar/model/constants/GameRule.java
 create mode 100644 src/main/java/racingcar/model/domain/Car.java
 create mode 100644 src/main/java/racingcar/view/OutputView.java

diff --git a/docs/README.md b/docs/README.md
index 4ab4fb993..979831e10 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -29,9 +29,9 @@
 ### 도메인 로직을 위한 기능
 
 1.
-    - [ ] 경주할 모든 자동차의 이름을 저장하는 기능
-        - [ ] `예외발생` : 이름의 길이가 5자 초과
-        - [ ] `예외발생` : 경주할 자동차가 1대
+    - [x] 경주할 모든 자동차의 이름을 저장하는 기능
+        - [x] `예외발생` : 경주할 자동차가 1대
+        - [x] `예외발생` : 이름의 길이가 5자 초과
 2.
     - [ ] 랜덤 숫자를 생성하는 기능
 3.
@@ -67,12 +67,15 @@
 ### 도메인 로직 정보
 
 - [ ] 이동 숫자 0 ~ 9, 전진 조건 4
-- [ ] 이름 길이 제한 5
+- [x] 이름 길이 상한 제한 5
+- [x] 자동차 개수 하한 제한 2
+- [ ] 에러 메시지
 
 ### UI 로직 정보
 
-- [ ] 구분자 쉼표
+- [x] 구분자 쉼표
 - [ ] 입력 안내 메시지
+- [ ] 에러 메시지
 - [ ] 실행 결과 출력 형식
 - [ ] 우승자 안내 문구 출력 형식
 - [ ] 에러메시지 출력 형식
diff --git a/src/main/java/racingcar/Car.java b/src/main/java/racingcar/Car.java
deleted file mode 100644
index ab3df9492..000000000
--- a/src/main/java/racingcar/Car.java
+++ /dev/null
@@ -1,12 +0,0 @@
-package racingcar;
-
-public class Car {
-    private final String name;
-    private int position = 0;
-
-    public Car(String name) {
-        this.name = name;
-    }
-
-    // 추가 기능 구현
-}
diff --git a/src/main/java/racingcar/controller/RacingController.java b/src/main/java/racingcar/controller/RacingController.java
index ac3a4d3e0..21175eb30 100644
--- a/src/main/java/racingcar/controller/RacingController.java
+++ b/src/main/java/racingcar/controller/RacingController.java
@@ -1,10 +1,12 @@
 package racingcar.controller;
 
 import java.util.List;
+import racingcar.model.RacingGame;
 import racingcar.view.InputView;
 
 public class RacingController {
     private static final InputView inputView = new InputView();
+    private static final RacingGame racingGame = new RacingGame();
 
     public void run() {
         enrollCarToRace();
@@ -12,6 +14,6 @@ public void run() {
 
     public void enrollCarToRace() {
         List<String> carNames = inputView.inputCarNames();
-        System.out.println(carNames);
+        racingGame.enrollCars(carNames);
     }
 }
diff --git a/src/main/java/racingcar/model/RacingGame.java b/src/main/java/racingcar/model/RacingGame.java
new file mode 100644
index 000000000..3a8431d90
--- /dev/null
+++ b/src/main/java/racingcar/model/RacingGame.java
@@ -0,0 +1,22 @@
+package racingcar.model;
+
+import java.util.ArrayList;
+import java.util.List;
+import racingcar.model.constants.ErrorMessage;
+import racingcar.model.constants.GameRule;
+import racingcar.model.domain.Car;
+
+public class RacingGame {
+    private static final List<Car> racingCars = new ArrayList<>();
+
+    public void enrollCars(List<String> carNames) {
+        validateCarCount(carNames.size());
+        carNames.forEach(name -> racingCars.add(new Car(name)));
+    }
+
+    private void validateCarCount(int count) {
+        if (count < GameRule.CARS_COUNT_LOWER_LIMIT) {
+            throw new IllegalArgumentException(ErrorMessage.CARS_LACK_OF_COUNT);
+        }
+    }
+}
diff --git a/src/main/java/racingcar/model/constants/ErrorMessage.java b/src/main/java/racingcar/model/constants/ErrorMessage.java
new file mode 100644
index 000000000..52ffec221
--- /dev/null
+++ b/src/main/java/racingcar/model/constants/ErrorMessage.java
@@ -0,0 +1,6 @@
+package racingcar.model.constants;
+
+public class ErrorMessage {
+    public static final String CARS_LACK_OF_COUNT = "경주할 자동차는 최소 2대 필요합니다.";
+    public static final String CAR_NAME_LENGTH_OVER = "자동차 이름은 최대 5글자까지만 가능합니다.";
+}
diff --git a/src/main/java/racingcar/model/constants/GameRule.java b/src/main/java/racingcar/model/constants/GameRule.java
new file mode 100644
index 000000000..74ace0793
--- /dev/null
+++ b/src/main/java/racingcar/model/constants/GameRule.java
@@ -0,0 +1,6 @@
+package racingcar.model.constants;
+
+public class GameRule {
+    public static final int NAME_LENGTH_UPPER_LIMIT = 5;
+    public static final int CARS_COUNT_LOWER_LIMIT = 2;
+}
diff --git a/src/main/java/racingcar/model/domain/Car.java b/src/main/java/racingcar/model/domain/Car.java
new file mode 100644
index 000000000..8e308a29a
--- /dev/null
+++ b/src/main/java/racingcar/model/domain/Car.java
@@ -0,0 +1,28 @@
+package racingcar.model.domain;
+
+import racingcar.model.constants.ErrorMessage;
+import racingcar.model.constants.GameRule;
+
+public class Car {
+    private final String name;
+    private final int position = 0;
+
+    public Car(String name) {
+        validateName(name);
+        this.name = name;
+    }
+
+    private void validateName(String name) {
+        if (name.length() > GameRule.NAME_LENGTH_UPPER_LIMIT) {
+            throw new IllegalArgumentException(ErrorMessage.CAR_NAME_LENGTH_OVER);
+        }
+    }
+
+    @Override
+    public String toString() {
+        return "Car{" +
+                "name='" + name + '\'' +
+                ", position=" + position +
+                '}';
+    }
+}
diff --git a/src/main/java/racingcar/view/OutputView.java b/src/main/java/racingcar/view/OutputView.java
new file mode 100644
index 000000000..abf938a66
--- /dev/null
+++ b/src/main/java/racingcar/view/OutputView.java
@@ -0,0 +1,4 @@
+package racingcar.view;
+
+public class OutputView {
+}

From 56ec0a5f94c2632a36c0a7ba46ca3837b4046bba Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 21:03:04 +0900
Subject: [PATCH 07/26] =?UTF-8?q?feat:=20=EB=9E=9C=EB=8D=A4=20=EC=88=AB?=
 =?UTF-8?q?=EC=9E=90=EB=A5=BC=20=EC=83=9D=EC=84=B1=ED=95=98=EB=8A=94=20?=
 =?UTF-8?q?=EA=B8=B0=EB=8A=A5=20=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/README.md                                      |  2 +-
 .../java/racingcar/controller/RacingController.java |  3 ++-
 src/main/java/racingcar/model/NumberGenerator.java  |  6 ++++++
 src/main/java/racingcar/model/RacingGame.java       |  7 ++++++-
 .../java/racingcar/model/RandomNumberGenerator.java | 13 +++++++++++++
 5 files changed, 28 insertions(+), 3 deletions(-)
 create mode 100644 src/main/java/racingcar/model/NumberGenerator.java
 create mode 100644 src/main/java/racingcar/model/RandomNumberGenerator.java

diff --git a/docs/README.md b/docs/README.md
index 979831e10..7e04b9f4a 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -33,7 +33,7 @@
         - [x] `예외발생` : 경주할 자동차가 1대
         - [x] `예외발생` : 이름의 길이가 5자 초과
 2.
-    - [ ] 랜덤 숫자를 생성하는 기능
+    - [x] 랜덤 숫자를 생성하는 기능
 3.
     - [ ] 자동차가 전달받은 숫자에 따라 이동(전진하거나 전진하지않음)하는 기능
         - [ ] `예외발생` : 전달받은 숫자가 범위 밖
diff --git a/src/main/java/racingcar/controller/RacingController.java b/src/main/java/racingcar/controller/RacingController.java
index 21175eb30..48a968697 100644
--- a/src/main/java/racingcar/controller/RacingController.java
+++ b/src/main/java/racingcar/controller/RacingController.java
@@ -2,11 +2,12 @@
 
 import java.util.List;
 import racingcar.model.RacingGame;
+import racingcar.model.RandomNumberGenerator;
 import racingcar.view.InputView;
 
 public class RacingController {
     private static final InputView inputView = new InputView();
-    private static final RacingGame racingGame = new RacingGame();
+    private static final RacingGame racingGame = new RacingGame(new RandomNumberGenerator());
 
     public void run() {
         enrollCarToRace();
diff --git a/src/main/java/racingcar/model/NumberGenerator.java b/src/main/java/racingcar/model/NumberGenerator.java
new file mode 100644
index 000000000..817bb2485
--- /dev/null
+++ b/src/main/java/racingcar/model/NumberGenerator.java
@@ -0,0 +1,6 @@
+package racingcar.model;
+
+@FunctionalInterface
+public interface NumberGenerator {
+    int make();
+}
diff --git a/src/main/java/racingcar/model/RacingGame.java b/src/main/java/racingcar/model/RacingGame.java
index 3a8431d90..c1011de96 100644
--- a/src/main/java/racingcar/model/RacingGame.java
+++ b/src/main/java/racingcar/model/RacingGame.java
@@ -7,7 +7,12 @@
 import racingcar.model.domain.Car;
 
 public class RacingGame {
-    private static final List<Car> racingCars = new ArrayList<>();
+    private final List<Car> racingCars = new ArrayList<>();
+    private final NumberGenerator numberGenerator;
+
+    public RacingGame(NumberGenerator numberGenerator) {
+        this.numberGenerator = numberGenerator;
+    }
 
     public void enrollCars(List<String> carNames) {
         validateCarCount(carNames.size());
diff --git a/src/main/java/racingcar/model/RandomNumberGenerator.java b/src/main/java/racingcar/model/RandomNumberGenerator.java
new file mode 100644
index 000000000..96c280c92
--- /dev/null
+++ b/src/main/java/racingcar/model/RandomNumberGenerator.java
@@ -0,0 +1,13 @@
+package racingcar.model;
+
+import camp.nextstep.edu.missionutils.Randoms;
+
+public class RandomNumberGenerator implements NumberGenerator {
+    private static final int RANGE_START = 0;
+    private static final int RANGE_END = 9;
+
+    @Override
+    public int make() {
+        return Randoms.pickNumberInRange(RANGE_START, RANGE_END);
+    }
+}

From f2d58e927e727349025cf59cd298a4caf5a7ff5d Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 21:11:25 +0900
Subject: [PATCH 08/26] =?UTF-8?q?feat:=20=EC=9E=90=EB=8F=99=EC=B0=A8?=
 =?UTF-8?q?=EA=B0=80=20=EC=A0=84=EB=8B=AC=EB=B0=9B=EC=9D=80=20=EC=88=AB?=
 =?UTF-8?q?=EC=9E=90=EC=97=90=20=EB=94=B0=EB=9D=BC=20=EC=9D=B4=EB=8F=99?=
 =?UTF-8?q?=ED=95=98=EB=8A=94=20=EA=B8=B0=EB=8A=A5=20=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/README.md                                |  3 +--
 .../controller/RacingController.java          |  1 +
 src/main/java/racingcar/dto/CarDTO.java       | 27 +++++++++++++++++++
 src/main/java/racingcar/model/RacingGame.java |  9 +++++++
 .../racingcar/model/constants/GameRule.java   |  1 +
 src/main/java/racingcar/model/domain/Car.java | 17 +++++++-----
 6 files changed, 49 insertions(+), 9 deletions(-)
 create mode 100644 src/main/java/racingcar/dto/CarDTO.java

diff --git a/docs/README.md b/docs/README.md
index 7e04b9f4a..18f9653fc 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -35,8 +35,7 @@
 2.
     - [x] 랜덤 숫자를 생성하는 기능
 3.
-    - [ ] 자동차가 전달받은 숫자에 따라 이동(전진하거나 전진하지않음)하는 기능
-        - [ ] `예외발생` : 전달받은 숫자가 범위 밖
+    - [x] 자동차가 전달받은 숫자에 따라 이동(전진하거나 전진하지않음)하는 기능
 4.
     - [ ] 자동차 간 위치를 비교해 가장 값이 큰, 최소 1명 최대 n명의 우승자를 구하는 기능
 5.
diff --git a/src/main/java/racingcar/controller/RacingController.java b/src/main/java/racingcar/controller/RacingController.java
index 48a968697..82d91b5b3 100644
--- a/src/main/java/racingcar/controller/RacingController.java
+++ b/src/main/java/racingcar/controller/RacingController.java
@@ -11,6 +11,7 @@ public class RacingController {
 
     public void run() {
         enrollCarToRace();
+        System.out.println(racingGame.moveCars());
     }
 
     public void enrollCarToRace() {
diff --git a/src/main/java/racingcar/dto/CarDTO.java b/src/main/java/racingcar/dto/CarDTO.java
new file mode 100644
index 000000000..02ededbbf
--- /dev/null
+++ b/src/main/java/racingcar/dto/CarDTO.java
@@ -0,0 +1,27 @@
+package racingcar.dto;
+
+public class CarDTO {
+    private final String name;
+    private final int position;
+
+    public CarDTO(String name, int position) {
+        this.name = name;
+        this.position = position;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getPosition() {
+        return position;
+    }
+
+    @Override
+    public String toString() {
+        return "CarDTO{" +
+                "name='" + name + '\'' +
+                ", position=" + position +
+                '}';
+    }
+}
diff --git a/src/main/java/racingcar/model/RacingGame.java b/src/main/java/racingcar/model/RacingGame.java
index c1011de96..697c42952 100644
--- a/src/main/java/racingcar/model/RacingGame.java
+++ b/src/main/java/racingcar/model/RacingGame.java
@@ -2,6 +2,8 @@
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.stream.Collectors;
+import racingcar.dto.CarDTO;
 import racingcar.model.constants.ErrorMessage;
 import racingcar.model.constants.GameRule;
 import racingcar.model.domain.Car;
@@ -24,4 +26,11 @@ private void validateCarCount(int count) {
             throw new IllegalArgumentException(ErrorMessage.CARS_LACK_OF_COUNT);
         }
     }
+
+    public List<CarDTO> moveCars() {
+        racingCars.forEach(car -> car.move(numberGenerator.make()));
+        return racingCars.stream()
+                .map(Car::to)
+                .collect(Collectors.toList());
+    }
 }
diff --git a/src/main/java/racingcar/model/constants/GameRule.java b/src/main/java/racingcar/model/constants/GameRule.java
index 74ace0793..a5dfe5c3b 100644
--- a/src/main/java/racingcar/model/constants/GameRule.java
+++ b/src/main/java/racingcar/model/constants/GameRule.java
@@ -3,4 +3,5 @@
 public class GameRule {
     public static final int NAME_LENGTH_UPPER_LIMIT = 5;
     public static final int CARS_COUNT_LOWER_LIMIT = 2;
+    public static final int CAR_FORWARD_LOWER_LIMIT = 4;
 }
diff --git a/src/main/java/racingcar/model/domain/Car.java b/src/main/java/racingcar/model/domain/Car.java
index 8e308a29a..5661c66e0 100644
--- a/src/main/java/racingcar/model/domain/Car.java
+++ b/src/main/java/racingcar/model/domain/Car.java
@@ -1,11 +1,12 @@
 package racingcar.model.domain;
 
+import racingcar.dto.CarDTO;
 import racingcar.model.constants.ErrorMessage;
 import racingcar.model.constants.GameRule;
 
 public class Car {
     private final String name;
-    private final int position = 0;
+    private int position = 0;
 
     public Car(String name) {
         validateName(name);
@@ -18,11 +19,13 @@ private void validateName(String name) {
         }
     }
 
-    @Override
-    public String toString() {
-        return "Car{" +
-                "name='" + name + '\'' +
-                ", position=" + position +
-                '}';
+    public void move(int number) {
+        if (number > GameRule.CAR_FORWARD_LOWER_LIMIT) {
+            position++;
+        }
+    }
+
+    public CarDTO to() {
+        return new CarDTO(name, position);
     }
 }

From 24e66d7ea1cdc4d7d28a2ef447a69d9e4e18570f Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 21:20:10 +0900
Subject: [PATCH 09/26] =?UTF-8?q?feat:=20=EC=8B=9C=EB=8F=84=ED=95=A0=20?=
 =?UTF-8?q?=ED=9A=8C=EC=88=98=EB=A5=BC=20=EC=9E=85=EB=A0=A5=EB=B0=9B?=
 =?UTF-8?q?=EB=8A=94=20=EA=B8=B0=EB=8A=A5=20=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/README.md                                |  4 ++--
 .../controller/RacingController.java          |  7 ++++++-
 src/main/java/racingcar/view/InputView.java   |  8 +++++++
 .../view/constants/ErrorMessage.java          |  2 ++
 .../view/constants/InputMessage.java          |  1 +
 .../racingcar/view/util/NumberParser.java     | 21 +++++++++++++++++++
 6 files changed, 40 insertions(+), 3 deletions(-)
 create mode 100644 src/main/java/racingcar/view/util/NumberParser.java

diff --git a/docs/README.md b/docs/README.md
index 18f9653fc..7eed3eb75 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -48,8 +48,8 @@
         - [x] `예외발생` : 빈 문자열
         - [x] `예외발생` : 입력값 형식에 맞지 않음
 2.
-    - [ ] 시도할 회수를 입력받는 기능
-        - [ ] `예외발생` : 자연수가 아닌 값
+    - [x] 시도할 회수를 입력받는 기능
+        - [x] `예외발생` : 자연수가 아닌 값
 3.
     - [ ] 차수 별 실행 결과 출력하는 기능
 4.
diff --git a/src/main/java/racingcar/controller/RacingController.java b/src/main/java/racingcar/controller/RacingController.java
index 82d91b5b3..b45309b3b 100644
--- a/src/main/java/racingcar/controller/RacingController.java
+++ b/src/main/java/racingcar/controller/RacingController.java
@@ -11,11 +11,16 @@ public class RacingController {
 
     public void run() {
         enrollCarToRace();
-        System.out.println(racingGame.moveCars());
+        moveCarsByCount();
     }
 
     public void enrollCarToRace() {
         List<String> carNames = inputView.inputCarNames();
         racingGame.enrollCars(carNames);
     }
+
+    public void moveCarsByCount() {
+        int moveCount = inputView.inputMoveCount();
+        // TODO moveCount 만큼 반복 이동
+    }
 }
diff --git a/src/main/java/racingcar/view/InputView.java b/src/main/java/racingcar/view/InputView.java
index 6cc38095d..16d060957 100644
--- a/src/main/java/racingcar/view/InputView.java
+++ b/src/main/java/racingcar/view/InputView.java
@@ -7,6 +7,7 @@
 import racingcar.view.constants.ErrorMessage;
 import racingcar.view.constants.InputMessage;
 import racingcar.view.util.FormatParser;
+import racingcar.view.util.NumberParser;
 
 public class InputView {
     public List<String> inputCarNames() {
@@ -28,4 +29,11 @@ private boolean hasWrongFormat(String line) {
         }
         return line.startsWith(INPUT_NAMES_DELIMITER) || line.endsWith(INPUT_NAMES_DELIMITER);
     }
+
+    public int inputMoveCount() {
+        System.out.println(InputMessage.MOVE_COUNT);
+        String line = Console.readLine();
+        System.out.println();
+        return NumberParser.parseDigit(line);
+    }
 }
diff --git a/src/main/java/racingcar/view/constants/ErrorMessage.java b/src/main/java/racingcar/view/constants/ErrorMessage.java
index dac49e5d1..e77f4f23b 100644
--- a/src/main/java/racingcar/view/constants/ErrorMessage.java
+++ b/src/main/java/racingcar/view/constants/ErrorMessage.java
@@ -3,4 +3,6 @@
 public class ErrorMessage {
     public static final String FORMAT_EMPTY = "형식 내의 값 중 빈 문자열이 있습니다.";
     public static final String FORMAT_INVALID = "입력값의 형식이 잘못되었습니다.";
+    public static final String NOT_A_DIGIT = "입력값이 자연수가 아닙니다.";
+    public static final String NOT_A_NUMBER = "입력값이 숫자가 아닙니다.";
 }
diff --git a/src/main/java/racingcar/view/constants/InputMessage.java b/src/main/java/racingcar/view/constants/InputMessage.java
index cba0c5ab0..ce09f2526 100644
--- a/src/main/java/racingcar/view/constants/InputMessage.java
+++ b/src/main/java/racingcar/view/constants/InputMessage.java
@@ -2,4 +2,5 @@
 
 public class InputMessage {
     public static final String CAR_NAMES = "경주할 자동차 이름을 입력하세요.(이름은 쉼표(,) 기준으로 구분)";
+    public static final String MOVE_COUNT = "시도할 회수는 몇회인가요?";
 }
diff --git a/src/main/java/racingcar/view/util/NumberParser.java b/src/main/java/racingcar/view/util/NumberParser.java
new file mode 100644
index 000000000..783dcf545
--- /dev/null
+++ b/src/main/java/racingcar/view/util/NumberParser.java
@@ -0,0 +1,21 @@
+package racingcar.view.util;
+
+import racingcar.view.constants.ErrorMessage;
+
+public class NumberParser {
+    public static int parseDigit(String value) {
+        int number = parseInteger(value);
+        if (number <= 0) {
+            throw new IllegalArgumentException(ErrorMessage.NOT_A_DIGIT);
+        }
+        return number;
+    }
+
+    public static int parseInteger(String value) {
+        try {
+            return Integer.parseInt(value);
+        } catch (NumberFormatException e) {
+            throw new IllegalArgumentException(ErrorMessage.NOT_A_NUMBER);
+        }
+    }
+}

From 7c43478566e048bc76acdb17753705b94bd375fa Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 21:22:55 +0900
Subject: [PATCH 10/26] =?UTF-8?q?fix:=20=EC=9E=90=EB=8F=99=EC=B0=A8=20?=
 =?UTF-8?q?=EC=9D=B4=EB=A6=84=20=EC=A0=80=EC=9E=A5=20=EA=B8=B0=EB=8A=A5?=
 =?UTF-8?q?=EC=97=90=20=EC=A4=91=EB=B3=B5=20=EA=B2=80=EC=A6=9D=20=EB=A1=9C?=
 =?UTF-8?q?=EC=A7=81=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/README.md                                         |  1 +
 src/main/java/racingcar/model/RacingGame.java          | 10 +++++++---
 .../java/racingcar/model/constants/ErrorMessage.java   |  1 +
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/docs/README.md b/docs/README.md
index 7eed3eb75..6face6b91 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -32,6 +32,7 @@
     - [x] 경주할 모든 자동차의 이름을 저장하는 기능
         - [x] `예외발생` : 경주할 자동차가 1대
         - [x] `예외발생` : 이름의 길이가 5자 초과
+        - [x] `예외발생` : 중복 이름이 존재하는 경우
 2.
     - [x] 랜덤 숫자를 생성하는 기능
 3.
diff --git a/src/main/java/racingcar/model/RacingGame.java b/src/main/java/racingcar/model/RacingGame.java
index 697c42952..ef1dd7eaf 100644
--- a/src/main/java/racingcar/model/RacingGame.java
+++ b/src/main/java/racingcar/model/RacingGame.java
@@ -1,6 +1,7 @@
 package racingcar.model;
 
 import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.List;
 import java.util.stream.Collectors;
 import racingcar.dto.CarDTO;
@@ -17,14 +18,17 @@ public RacingGame(NumberGenerator numberGenerator) {
     }
 
     public void enrollCars(List<String> carNames) {
-        validateCarCount(carNames.size());
+        validateCarNames(carNames);
         carNames.forEach(name -> racingCars.add(new Car(name)));
     }
 
-    private void validateCarCount(int count) {
-        if (count < GameRule.CARS_COUNT_LOWER_LIMIT) {
+    private void validateCarNames(List<String> carNames) {
+        if (carNames.size() < GameRule.CARS_COUNT_LOWER_LIMIT) {
             throw new IllegalArgumentException(ErrorMessage.CARS_LACK_OF_COUNT);
         }
+        if (carNames.size() != new HashSet<>(carNames).size()) {
+            throw new IllegalArgumentException(ErrorMessage.CARS_DUPLICATED_NAME);
+        }
     }
 
     public List<CarDTO> moveCars() {
diff --git a/src/main/java/racingcar/model/constants/ErrorMessage.java b/src/main/java/racingcar/model/constants/ErrorMessage.java
index 52ffec221..4b10f4c8d 100644
--- a/src/main/java/racingcar/model/constants/ErrorMessage.java
+++ b/src/main/java/racingcar/model/constants/ErrorMessage.java
@@ -3,4 +3,5 @@
 public class ErrorMessage {
     public static final String CARS_LACK_OF_COUNT = "경주할 자동차는 최소 2대 필요합니다.";
     public static final String CAR_NAME_LENGTH_OVER = "자동차 이름은 최대 5글자까지만 가능합니다.";
+    public static final String CARS_DUPLICATED_NAME = "중복된 자동차 이름을 등록할 수 없습니다.";
 }

From d081b01312818c09b770b0265c50f060935fde38 Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 21:27:27 +0900
Subject: [PATCH 11/26] =?UTF-8?q?test:=20=EC=9E=90=EB=8F=99=EC=B0=A8=20?=
 =?UTF-8?q?=EC=9D=B4=EB=A6=84=20=EC=A0=80=EC=9E=A5=20=EA=B8=B0=EB=8A=A5=20?=
 =?UTF-8?q?=ED=85=8C=EC=8A=A4=ED=8A=B8=EC=BD=94=EB=93=9C=20=EC=9E=91?=
 =?UTF-8?q?=EC=84=B1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../java/racingcar/model/RacingGameTest.java  | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 src/test/java/racingcar/model/RacingGameTest.java

diff --git a/src/test/java/racingcar/model/RacingGameTest.java b/src/test/java/racingcar/model/RacingGameTest.java
new file mode 100644
index 000000000..fa273f83a
--- /dev/null
+++ b/src/test/java/racingcar/model/RacingGameTest.java
@@ -0,0 +1,33 @@
+package racingcar.model;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+import java.util.List;
+import org.junit.jupiter.api.Test;
+
+class RacingGameTest {
+    @Test
+    void 자동차_등록_개수_예외발생() {
+        RacingGame racingGame = new RacingGame(new RandomNumberGenerator());
+
+        assertThatThrownBy(() -> racingGame.enrollCars(List.of("자동차명")))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+
+    @Test
+    void 자동차_등록_이름길이_예외발생() {
+        RacingGame racingGame = new RacingGame(new RandomNumberGenerator());
+
+        assertThatThrownBy(() -> racingGame.enrollCars(List.of("자동차명여섯")))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+
+    @Test
+    void 자동차_등록_중복이름_예외발생() {
+        RacingGame racingGame = new RacingGame(new RandomNumberGenerator());
+
+        assertThatThrownBy(() -> racingGame.enrollCars(List.of("자동차명", "자동차명")))
+                .isInstanceOf(IllegalArgumentException.class);
+
+    }
+}
\ No newline at end of file

From a94e4268c2e23d12114755d9c930af986b1da5e5 Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 21:31:35 +0900
Subject: [PATCH 12/26] =?UTF-8?q?fix:=20=EC=9E=90=EB=8F=99=EC=B0=A8=20?=
 =?UTF-8?q?=EC=9D=B4=EB=8F=99=20=EC=98=A4=EA=B8=B0=EB=8A=A5=20=EC=88=98?=
 =?UTF-8?q?=EC=A0=95,=20=ED=85=8C=EC=8A=A4=ED=8A=B8=EC=BD=94=EB=93=9C=20?=
 =?UTF-8?q?=EC=9E=91=EC=84=B1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/racingcar/model/domain/Car.java |  2 +-
 .../java/racingcar/model/domain/CarTest.java  | 23 +++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 src/test/java/racingcar/model/domain/CarTest.java

diff --git a/src/main/java/racingcar/model/domain/Car.java b/src/main/java/racingcar/model/domain/Car.java
index 5661c66e0..3eea37c29 100644
--- a/src/main/java/racingcar/model/domain/Car.java
+++ b/src/main/java/racingcar/model/domain/Car.java
@@ -20,7 +20,7 @@ private void validateName(String name) {
     }
 
     public void move(int number) {
-        if (number > GameRule.CAR_FORWARD_LOWER_LIMIT) {
+        if (number >= GameRule.CAR_FORWARD_LOWER_LIMIT) {
             position++;
         }
     }
diff --git a/src/test/java/racingcar/model/domain/CarTest.java b/src/test/java/racingcar/model/domain/CarTest.java
new file mode 100644
index 000000000..bf8f47960
--- /dev/null
+++ b/src/test/java/racingcar/model/domain/CarTest.java
@@ -0,0 +1,23 @@
+package racingcar.model.domain;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.jupiter.api.Test;
+
+class CarTest {
+    @Test
+    void 이동_전진() {
+        Car car = new Car("테스트");
+        car.move(4);
+
+        assertThat(car.to().getPosition()).isEqualTo(1);
+    }
+
+    @Test
+    void 이동_정지() {
+        Car car = new Car("테스트");
+        car.move(3);
+
+        assertThat(car.to().getPosition()).isEqualTo(0);
+    }
+}
\ No newline at end of file

From d6604d6112f24e4d5fbd20f7273fa4f2be4fd0d2 Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 21:36:28 +0900
Subject: [PATCH 13/26] =?UTF-8?q?feat:=20=EC=A0=84=EB=8B=AC=EB=B0=9B?=
 =?UTF-8?q?=EC=9D=80=20=ED=9A=8C=EC=88=98=EB=A7=8C=ED=81=BC=20=EC=9E=90?=
 =?UTF-8?q?=EB=8F=99=EC=B0=A8=20=EC=9D=B4=EB=8F=99=EC=9D=84=20=EC=8B=A4?=
 =?UTF-8?q?=ED=96=89=EC=8B=9C=ED=82=A4=EB=8A=94=20=EA=B8=B0=EB=8A=A5=20?=
 =?UTF-8?q?=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/README.md                                    |  4 ++--
 .../racingcar/controller/RacingController.java    |  7 ++++---
 src/main/java/racingcar/dto/CarStatusDTO.java     | 15 +++++++++++++++
 src/main/java/racingcar/model/RacingGame.java     | 11 ++++++++++-
 4 files changed, 31 insertions(+), 6 deletions(-)
 create mode 100644 src/main/java/racingcar/dto/CarStatusDTO.java

diff --git a/docs/README.md b/docs/README.md
index 6face6b91..6b1b816c1 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -40,7 +40,7 @@
 4.
     - [ ] 자동차 간 위치를 비교해 가장 값이 큰, 최소 1명 최대 n명의 우승자를 구하는 기능
 5.
-    - [ ] 전달받은 회수 만큼 자동차 이동을 실행시키는 기능
+    - [x] 전달받은 회수 만큼 자동차 이동을 실행시키는 기능
 
 ### UI 로직을 위한 기능
 
@@ -66,7 +66,7 @@
 
 ### 도메인 로직 정보
 
-- [ ] 이동 숫자 0 ~ 9, 전진 조건 4
+- [x] 이동 숫자 0 ~ 9, 전진 조건 4
 - [x] 이름 길이 상한 제한 5
 - [x] 자동차 개수 하한 제한 2
 - [ ] 에러 메시지
diff --git a/src/main/java/racingcar/controller/RacingController.java b/src/main/java/racingcar/controller/RacingController.java
index b45309b3b..8350889b0 100644
--- a/src/main/java/racingcar/controller/RacingController.java
+++ b/src/main/java/racingcar/controller/RacingController.java
@@ -1,13 +1,14 @@
 package racingcar.controller;
 
 import java.util.List;
+import racingcar.dto.CarStatusDTO;
 import racingcar.model.RacingGame;
 import racingcar.model.RandomNumberGenerator;
 import racingcar.view.InputView;
 
 public class RacingController {
-    private static final InputView inputView = new InputView();
-    private static final RacingGame racingGame = new RacingGame(new RandomNumberGenerator());
+    private final InputView inputView = new InputView();
+    private final RacingGame racingGame = new RacingGame(new RandomNumberGenerator());
 
     public void run() {
         enrollCarToRace();
@@ -21,6 +22,6 @@ public void enrollCarToRace() {
 
     public void moveCarsByCount() {
         int moveCount = inputView.inputMoveCount();
-        // TODO moveCount 만큼 반복 이동
+        List<CarStatusDTO> carStatuses = racingGame.repeatMovingCars(moveCount);
     }
 }
diff --git a/src/main/java/racingcar/dto/CarStatusDTO.java b/src/main/java/racingcar/dto/CarStatusDTO.java
new file mode 100644
index 000000000..2dbc7720b
--- /dev/null
+++ b/src/main/java/racingcar/dto/CarStatusDTO.java
@@ -0,0 +1,15 @@
+package racingcar.dto;
+
+import java.util.List;
+
+public class CarStatusDTO {
+    private final List<CarDTO> cars;
+
+    public CarStatusDTO(List<CarDTO> cars) {
+        this.cars = cars;
+    }
+
+    public List<CarDTO> getCars() {
+        return cars;
+    }
+}
diff --git a/src/main/java/racingcar/model/RacingGame.java b/src/main/java/racingcar/model/RacingGame.java
index ef1dd7eaf..05869c861 100644
--- a/src/main/java/racingcar/model/RacingGame.java
+++ b/src/main/java/racingcar/model/RacingGame.java
@@ -5,6 +5,7 @@
 import java.util.List;
 import java.util.stream.Collectors;
 import racingcar.dto.CarDTO;
+import racingcar.dto.CarStatusDTO;
 import racingcar.model.constants.ErrorMessage;
 import racingcar.model.constants.GameRule;
 import racingcar.model.domain.Car;
@@ -31,7 +32,15 @@ private void validateCarNames(List<String> carNames) {
         }
     }
 
-    public List<CarDTO> moveCars() {
+    public List<CarStatusDTO> repeatMovingCars(int moveCount) {
+        List<CarStatusDTO> carStatuses = new ArrayList<>();
+        for (int count = 0; count < moveCount; count++) {
+            carStatuses.add(new CarStatusDTO(moveCars()));
+        }
+        return carStatuses;
+    }
+
+    private List<CarDTO> moveCars() {
         racingCars.forEach(car -> car.move(numberGenerator.make()));
         return racingCars.stream()
                 .map(Car::to)

From bc100148b293dd536310fa21e2ff5bf026153043 Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 21:58:14 +0900
Subject: [PATCH 14/26] =?UTF-8?q?feat:=20=EC=B0=A8=EC=88=98=20=EB=B3=84=20?=
 =?UTF-8?q?=EC=8B=A4=ED=96=89=20=EA=B2=B0=EA=B3=BC=20=EC=B6=9C=EB=A0=A5?=
 =?UTF-8?q?=ED=95=98=EB=8A=94=20=EA=B8=B0=EB=8A=A5=20=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/README.md                                |  4 ++--
 .../controller/RacingController.java          |  3 +++
 src/main/java/racingcar/view/OutputView.java  | 22 +++++++++++++++++++
 .../java/racingcar/view/constants/Format.java |  2 ++
 .../view/constants/OutputMessage.java         |  5 +++++
 .../racingcar/view/util/FormatParser.java     |  4 ++++
 6 files changed, 38 insertions(+), 2 deletions(-)
 create mode 100644 src/main/java/racingcar/view/constants/OutputMessage.java

diff --git a/docs/README.md b/docs/README.md
index 6b1b816c1..85901355e 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -52,7 +52,7 @@
     - [x] 시도할 회수를 입력받는 기능
         - [x] `예외발생` : 자연수가 아닌 값
 3.
-    - [ ] 차수 별 실행 결과 출력하는 기능
+    - [x] 차수 별 실행 결과 출력하는 기능
 4.
     - [ ] 우승자 안내 문구 출력하는 기능
 5.
@@ -76,7 +76,7 @@
 - [x] 구분자 쉼표
 - [ ] 입력 안내 메시지
 - [ ] 에러 메시지
-- [ ] 실행 결과 출력 형식
+- [x] 실행 결과 출력 형식
 - [ ] 우승자 안내 문구 출력 형식
 - [ ] 에러메시지 출력 형식
 
diff --git a/src/main/java/racingcar/controller/RacingController.java b/src/main/java/racingcar/controller/RacingController.java
index 8350889b0..6e05c6924 100644
--- a/src/main/java/racingcar/controller/RacingController.java
+++ b/src/main/java/racingcar/controller/RacingController.java
@@ -5,9 +5,11 @@
 import racingcar.model.RacingGame;
 import racingcar.model.RandomNumberGenerator;
 import racingcar.view.InputView;
+import racingcar.view.OutputView;
 
 public class RacingController {
     private final InputView inputView = new InputView();
+    private final OutputView outputView = new OutputView();
     private final RacingGame racingGame = new RacingGame(new RandomNumberGenerator());
 
     public void run() {
@@ -23,5 +25,6 @@ public void enrollCarToRace() {
     public void moveCarsByCount() {
         int moveCount = inputView.inputMoveCount();
         List<CarStatusDTO> carStatuses = racingGame.repeatMovingCars(moveCount);
+        outputView.printGameResult(carStatuses);
     }
 }
diff --git a/src/main/java/racingcar/view/OutputView.java b/src/main/java/racingcar/view/OutputView.java
index abf938a66..99a49f279 100644
--- a/src/main/java/racingcar/view/OutputView.java
+++ b/src/main/java/racingcar/view/OutputView.java
@@ -1,4 +1,26 @@
 package racingcar.view;
 
+import java.util.List;
+import racingcar.dto.CarDTO;
+import racingcar.dto.CarStatusDTO;
+import racingcar.view.constants.Format;
+import racingcar.view.constants.OutputMessage;
+import racingcar.view.util.FormatParser;
+
 public class OutputView {
+    public void printGameResult(List<CarStatusDTO> carStatuses) {
+        System.out.println(OutputMessage.GAME_RESULT);
+        carStatuses.forEach(this::printCarStatuses);
+    }
+
+    private void printCarStatuses(CarStatusDTO carStatusDTO) {
+        List<CarDTO> cars = carStatusDTO.getCars();
+        cars.forEach(this::printCar);
+        System.out.println();
+    }
+
+    private void printCar(CarDTO carDTO) {
+        System.out.printf(Format.OUTPUT_CAR_STATUS_FORMAT, carDTO.getName(),
+                FormatParser.make(carDTO.getPosition(), Format.OUTPUT_CAR_POSITION_UNIT));
+    }
 }
diff --git a/src/main/java/racingcar/view/constants/Format.java b/src/main/java/racingcar/view/constants/Format.java
index d592389e8..d429e6a3a 100644
--- a/src/main/java/racingcar/view/constants/Format.java
+++ b/src/main/java/racingcar/view/constants/Format.java
@@ -3,4 +3,6 @@
 public class Format {
     public static final String INPUT_NAMES_DELIMITER = ",";
     public static final String OUTPUT_NAMES_DELIMITER = ", ";
+    public static final String OUTPUT_CAR_STATUS_FORMAT = "%s : %s" + System.lineSeparator();
+    public static final String OUTPUT_CAR_POSITION_UNIT = "-";
 }
diff --git a/src/main/java/racingcar/view/constants/OutputMessage.java b/src/main/java/racingcar/view/constants/OutputMessage.java
new file mode 100644
index 000000000..6ec77ea7d
--- /dev/null
+++ b/src/main/java/racingcar/view/constants/OutputMessage.java
@@ -0,0 +1,5 @@
+package racingcar.view.constants;
+
+public class OutputMessage {
+    public static final String GAME_RESULT = "실행 결과";
+}
diff --git a/src/main/java/racingcar/view/util/FormatParser.java b/src/main/java/racingcar/view/util/FormatParser.java
index e2429d5c5..b40eca686 100644
--- a/src/main/java/racingcar/view/util/FormatParser.java
+++ b/src/main/java/racingcar/view/util/FormatParser.java
@@ -25,6 +25,10 @@ public static String join(List<String> values, String delimiter) {
         return joiner.toString();
     }
 
+    public static String make(int count, String unit) {
+        return unit.repeat(count);
+    }
+
     private static void validateEmpty(List<String> values) {
         if (hasEmptyValue(values)) {
             throw new IllegalArgumentException(ErrorMessage.FORMAT_EMPTY);

From 6de02f1a4c2db5024c0f80c8da1b23f03667d8fa Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 22:36:44 +0900
Subject: [PATCH 15/26] =?UTF-8?q?feat:=20=EC=9E=90=EB=8F=99=EC=B0=A8=20?=
 =?UTF-8?q?=EA=B0=84=20=EC=9C=84=EC=B9=98=EB=A5=BC=20=EB=B9=84=EA=B5=90?=
 =?UTF-8?q?=ED=95=B4=20=EC=9A=B0=EC=8A=B9=EC=9E=90=EB=A5=BC=20=EA=B5=AC?=
 =?UTF-8?q?=ED=95=98=EB=8A=94=20=EA=B8=B0=EB=8A=A5=20=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/README.md                                | 12 ++++++----
 .../controller/RacingController.java          |  6 +++++
 src/main/java/racingcar/model/RacingGame.java | 16 +++++++++++++
 src/main/java/racingcar/model/domain/Car.java |  8 +++++++
 .../java/racingcar/model/RacingGameTest.java  | 23 +++++++++++++++++++
 5 files changed, 61 insertions(+), 4 deletions(-)

diff --git a/docs/README.md b/docs/README.md
index 85901355e..30e6fa791 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -38,7 +38,7 @@
 3.
     - [x] 자동차가 전달받은 숫자에 따라 이동(전진하거나 전진하지않음)하는 기능
 4.
-    - [ ] 자동차 간 위치를 비교해 가장 값이 큰, 최소 1명 최대 n명의 우승자를 구하는 기능
+    - [x] 자동차 간 위치를 비교해 가장 값이 큰, 최소 1명 최대 n명의 우승자를 구하는 기능
 5.
     - [x] 전달받은 회수 만큼 자동차 이동을 실행시키는 기능
 
@@ -84,9 +84,13 @@
 
 ### 도메인 로직 단위테스트
 
-- [ ] 기능1 단위테스트
-    - [ ] 실행 성공
-    - [ ] 예외 테스트
+- [x] 자동차 등록
+    - [x] 예외 테스트
+- [x] 자동차 이동
+    - [x] 전진
+    - [x] 정지
+- [x] 우승자 계산
+    - [x] 성공 테스트 (공동 우승 확인)
 
 ## 🖋 클래스 설계
 
diff --git a/src/main/java/racingcar/controller/RacingController.java b/src/main/java/racingcar/controller/RacingController.java
index 6e05c6924..232383097 100644
--- a/src/main/java/racingcar/controller/RacingController.java
+++ b/src/main/java/racingcar/controller/RacingController.java
@@ -15,6 +15,7 @@ public class RacingController {
     public void run() {
         enrollCarToRace();
         moveCarsByCount();
+        showWinner();
     }
 
     public void enrollCarToRace() {
@@ -27,4 +28,9 @@ public void moveCarsByCount() {
         List<CarStatusDTO> carStatuses = racingGame.repeatMovingCars(moveCount);
         outputView.printGameResult(carStatuses);
     }
+
+    public void showWinner() {
+        List<String> winnerNames = racingGame.findWinners();
+        System.out.println(winnerNames);
+    }
 }
diff --git a/src/main/java/racingcar/model/RacingGame.java b/src/main/java/racingcar/model/RacingGame.java
index 05869c861..99642ece2 100644
--- a/src/main/java/racingcar/model/RacingGame.java
+++ b/src/main/java/racingcar/model/RacingGame.java
@@ -46,4 +46,20 @@ private List<CarDTO> moveCars() {
                 .map(Car::to)
                 .collect(Collectors.toList());
     }
+
+    public List<String> findWinners() {
+        List<String> winnerNames = new ArrayList<>();
+        int maxPosition = 0;
+        for (Car car : racingCars) {
+            maxPosition = Math.max(maxPosition, car.getPosition());
+        }
+        findCarsAtPosition(maxPosition).forEach(car -> winnerNames.add(car.getName()));
+        return winnerNames;
+    }
+
+    private List<Car> findCarsAtPosition(int position) {
+        return racingCars.stream()
+                .filter(car -> car.getPosition() == position)
+                .collect(Collectors.toList());
+    }
 }
diff --git a/src/main/java/racingcar/model/domain/Car.java b/src/main/java/racingcar/model/domain/Car.java
index 3eea37c29..33ab2cea6 100644
--- a/src/main/java/racingcar/model/domain/Car.java
+++ b/src/main/java/racingcar/model/domain/Car.java
@@ -25,6 +25,14 @@ public void move(int number) {
         }
     }
 
+    public String getName() {
+        return name;
+    }
+
+    public int getPosition() {
+        return position;
+    }
+
     public CarDTO to() {
         return new CarDTO(name, position);
     }
diff --git a/src/test/java/racingcar/model/RacingGameTest.java b/src/test/java/racingcar/model/RacingGameTest.java
index fa273f83a..2763a9c63 100644
--- a/src/test/java/racingcar/model/RacingGameTest.java
+++ b/src/test/java/racingcar/model/RacingGameTest.java
@@ -1,8 +1,11 @@
 package racingcar.model;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
+import java.util.LinkedList;
 import java.util.List;
+import java.util.Queue;
 import org.junit.jupiter.api.Test;
 
 class RacingGameTest {
@@ -28,6 +31,26 @@ class RacingGameTest {
 
         assertThatThrownBy(() -> racingGame.enrollCars(List.of("자동차명", "자동차명")))
                 .isInstanceOf(IllegalArgumentException.class);
+    }
+
+    @Test
+    void 우승자_계산_성공() {
+        RacingGame racingGame = new RacingGame(new TestNumberGenerator());
+        racingGame.enrollCars(List.of("pobi", "jason", "java", "joon"));
+        racingGame.repeatMovingCars(1);
+        
+        assertThat(racingGame.findWinners()).containsOnly("java", "joon");
+    }
+
+    private static class TestNumberGenerator implements NumberGenerator {
+        private final Queue<Integer> numbers = new LinkedList<>(List.of(1, 3, 4, 4));
 
+        @Override
+        public int make() {
+            if (numbers.isEmpty()) {
+                return -1;
+            }
+            return numbers.poll();
+        }
     }
 }
\ No newline at end of file

From cfff773b37003fbd25c63d9d90126cbfacc00ee8 Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 22:43:20 +0900
Subject: [PATCH 16/26] =?UTF-8?q?feat:=20=EC=9A=B0=EC=8A=B9=EC=9E=90=20?=
 =?UTF-8?q?=EC=95=88=EB=82=B4=20=EC=B6=9C=EB=A0=A5=ED=95=98=EB=8A=94=20?=
 =?UTF-8?q?=EA=B8=B0=EB=8A=A5=20=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/README.md                                           | 8 ++++----
 src/main/java/racingcar/controller/RacingController.java | 6 +++---
 src/main/java/racingcar/view/OutputView.java             | 4 ++++
 src/main/java/racingcar/view/constants/Format.java       | 1 +
 4 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/docs/README.md b/docs/README.md
index 30e6fa791..b6a7e2d43 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -54,7 +54,7 @@
 3.
     - [x] 차수 별 실행 결과 출력하는 기능
 4.
-    - [ ] 우승자 안내 문구 출력하는 기능
+    - [x] 우승자 안내 출력하는 기능
 5.
     - [x] 이름 형식을 쉼표 구분 <-> 리스트로 파싱하는 기능
 6.
@@ -74,10 +74,10 @@
 ### UI 로직 정보
 
 - [x] 구분자 쉼표
-- [ ] 입력 안내 메시지
-- [ ] 에러 메시지
+- [x] 입력 안내 메시지
 - [x] 실행 결과 출력 형식
-- [ ] 우승자 안내 문구 출력 형식
+- [x] 우승자 안내 문구 출력 형식
+- [ ] 에러 메시지
 - [ ] 에러메시지 출력 형식
 
 ## ✅ 단위테스트 목록
diff --git a/src/main/java/racingcar/controller/RacingController.java b/src/main/java/racingcar/controller/RacingController.java
index 232383097..840346e49 100644
--- a/src/main/java/racingcar/controller/RacingController.java
+++ b/src/main/java/racingcar/controller/RacingController.java
@@ -15,7 +15,7 @@ public class RacingController {
     public void run() {
         enrollCarToRace();
         moveCarsByCount();
-        showWinner();
+        showWinners();
     }
 
     public void enrollCarToRace() {
@@ -29,8 +29,8 @@ public void moveCarsByCount() {
         outputView.printGameResult(carStatuses);
     }
 
-    public void showWinner() {
+    public void showWinners() {
         List<String> winnerNames = racingGame.findWinners();
-        System.out.println(winnerNames);
+        outputView.printWinners(winnerNames);
     }
 }
diff --git a/src/main/java/racingcar/view/OutputView.java b/src/main/java/racingcar/view/OutputView.java
index 99a49f279..0bc9767f1 100644
--- a/src/main/java/racingcar/view/OutputView.java
+++ b/src/main/java/racingcar/view/OutputView.java
@@ -23,4 +23,8 @@ private void printCar(CarDTO carDTO) {
         System.out.printf(Format.OUTPUT_CAR_STATUS_FORMAT, carDTO.getName(),
                 FormatParser.make(carDTO.getPosition(), Format.OUTPUT_CAR_POSITION_UNIT));
     }
+
+    public void printWinners(List<String> winnerNames) {
+        System.out.printf(Format.OUTPUT_WINNERS_FORMAT, FormatParser.join(winnerNames, Format.OUTPUT_NAMES_DELIMITER));
+    }
 }
diff --git a/src/main/java/racingcar/view/constants/Format.java b/src/main/java/racingcar/view/constants/Format.java
index d429e6a3a..c3f0e7ef4 100644
--- a/src/main/java/racingcar/view/constants/Format.java
+++ b/src/main/java/racingcar/view/constants/Format.java
@@ -5,4 +5,5 @@ public class Format {
     public static final String OUTPUT_NAMES_DELIMITER = ", ";
     public static final String OUTPUT_CAR_STATUS_FORMAT = "%s : %s" + System.lineSeparator();
     public static final String OUTPUT_CAR_POSITION_UNIT = "-";
+    public static final String OUTPUT_WINNERS_FORMAT = "최종 우승자 : %s" + System.lineSeparator();
 }

From f6de84150662d885db53babe255c72ca014a9359 Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 22:45:05 +0900
Subject: [PATCH 17/26] =?UTF-8?q?feat:=20=EC=97=90=EB=9F=AC=20=EB=A9=94?=
 =?UTF-8?q?=EC=8B=9C=EC=A7=80=20=EC=B6=9C=EB=A0=A5=ED=95=98=EB=8A=94=20?=
 =?UTF-8?q?=EA=B8=B0=EB=8A=A5=20=EA=B5=AC=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/README.md                                     | 8 ++++----
 src/main/java/racingcar/view/OutputView.java       | 4 ++++
 src/main/java/racingcar/view/constants/Format.java | 1 +
 3 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/docs/README.md b/docs/README.md
index b6a7e2d43..1c03fb938 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -58,7 +58,7 @@
 5.
     - [x] 이름 형식을 쉼표 구분 <-> 리스트로 파싱하는 기능
 6.
-    - [ ] 에러 메시지 출력하는 기능
+    - [x] 에러 메시지 출력하는 기능
 7.
     - [ ] 잘못된 값 입력 시 그 부분부터 재입력하는 기능
 
@@ -69,7 +69,7 @@
 - [x] 이동 숫자 0 ~ 9, 전진 조건 4
 - [x] 이름 길이 상한 제한 5
 - [x] 자동차 개수 하한 제한 2
-- [ ] 에러 메시지
+- [x] 에러 메시지
 
 ### UI 로직 정보
 
@@ -77,8 +77,8 @@
 - [x] 입력 안내 메시지
 - [x] 실행 결과 출력 형식
 - [x] 우승자 안내 문구 출력 형식
-- [ ] 에러 메시지
-- [ ] 에러메시지 출력 형식
+- [x] 에러 메시지
+- [x] 에러메시지 출력 형식
 
 ## ✅ 단위테스트 목록
 
diff --git a/src/main/java/racingcar/view/OutputView.java b/src/main/java/racingcar/view/OutputView.java
index 0bc9767f1..fa7bfec51 100644
--- a/src/main/java/racingcar/view/OutputView.java
+++ b/src/main/java/racingcar/view/OutputView.java
@@ -27,4 +27,8 @@ private void printCar(CarDTO carDTO) {
     public void printWinners(List<String> winnerNames) {
         System.out.printf(Format.OUTPUT_WINNERS_FORMAT, FormatParser.join(winnerNames, Format.OUTPUT_NAMES_DELIMITER));
     }
+
+    public void printErrorMessage(String message) {
+        System.out.printf(Format.OUTPUT_ERROR_FORMAT, message);
+    }
 }
diff --git a/src/main/java/racingcar/view/constants/Format.java b/src/main/java/racingcar/view/constants/Format.java
index c3f0e7ef4..59fb1682f 100644
--- a/src/main/java/racingcar/view/constants/Format.java
+++ b/src/main/java/racingcar/view/constants/Format.java
@@ -6,4 +6,5 @@ public class Format {
     public static final String OUTPUT_CAR_STATUS_FORMAT = "%s : %s" + System.lineSeparator();
     public static final String OUTPUT_CAR_POSITION_UNIT = "-";
     public static final String OUTPUT_WINNERS_FORMAT = "최종 우승자 : %s" + System.lineSeparator();
+    public static final String OUTPUT_ERROR_FORMAT = "[ERROR] %s" + System.lineSeparator();
 }

From 1d001a56cb9e3d0b76a0e5f6d221c30dd4484144 Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 22:50:53 +0900
Subject: [PATCH 18/26] =?UTF-8?q?feat:=20=EC=9E=98=EB=AA=BB=EB=90=9C=20?=
 =?UTF-8?q?=EA=B0=92=20=EC=9E=85=EB=A0=A5=20=EC=8B=9C=20=EA=B7=B8=20?=
 =?UTF-8?q?=EB=B6=80=EB=B6=84=EB=B6=80=ED=84=B0=20=EC=9E=AC=EC=9E=85?=
 =?UTF-8?q?=EB=A0=A5=ED=95=98=EB=8A=94=20=EA=B8=B0=EB=8A=A5=20=EA=B5=AC?=
 =?UTF-8?q?=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/README.md                                  |  2 +-
 .../racingcar/controller/RacingController.java  | 17 +++++++++++------
 .../controller/util/ExceptionHandler.java       | 16 ++++++++++++++++
 3 files changed, 28 insertions(+), 7 deletions(-)
 create mode 100644 src/main/java/racingcar/controller/util/ExceptionHandler.java

diff --git a/docs/README.md b/docs/README.md
index 1c03fb938..467695358 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -60,7 +60,7 @@
 6.
     - [x] 에러 메시지 출력하는 기능
 7.
-    - [ ] 잘못된 값 입력 시 그 부분부터 재입력하는 기능
+    - [x] 잘못된 값 입력 시 그 부분부터 재입력하는 기능
 
 ## 🗄 상수값 목록
 
diff --git a/src/main/java/racingcar/controller/RacingController.java b/src/main/java/racingcar/controller/RacingController.java
index 840346e49..d372343fe 100644
--- a/src/main/java/racingcar/controller/RacingController.java
+++ b/src/main/java/racingcar/controller/RacingController.java
@@ -1,6 +1,7 @@
 package racingcar.controller;
 
 import java.util.List;
+import racingcar.controller.util.ExceptionHandler;
 import racingcar.dto.CarStatusDTO;
 import racingcar.model.RacingGame;
 import racingcar.model.RandomNumberGenerator;
@@ -13,23 +14,27 @@ public class RacingController {
     private final RacingGame racingGame = new RacingGame(new RandomNumberGenerator());
 
     public void run() {
-        enrollCarToRace();
-        moveCarsByCount();
-        showWinners();
+        executeFunction(this::enrollCarToRace);
+        executeFunction(this::moveCarsByCount);
+        executeFunction(this::showWinners);
     }
 
-    public void enrollCarToRace() {
+    private void executeFunction(Runnable runnable) {
+        ExceptionHandler.retryForIllegalArgument(runnable, outputView::printErrorMessage);
+    }
+
+    private void enrollCarToRace() {
         List<String> carNames = inputView.inputCarNames();
         racingGame.enrollCars(carNames);
     }
 
-    public void moveCarsByCount() {
+    private void moveCarsByCount() {
         int moveCount = inputView.inputMoveCount();
         List<CarStatusDTO> carStatuses = racingGame.repeatMovingCars(moveCount);
         outputView.printGameResult(carStatuses);
     }
 
-    public void showWinners() {
+    private void showWinners() {
         List<String> winnerNames = racingGame.findWinners();
         outputView.printWinners(winnerNames);
     }
diff --git a/src/main/java/racingcar/controller/util/ExceptionHandler.java b/src/main/java/racingcar/controller/util/ExceptionHandler.java
new file mode 100644
index 000000000..cf74bb451
--- /dev/null
+++ b/src/main/java/racingcar/controller/util/ExceptionHandler.java
@@ -0,0 +1,16 @@
+package racingcar.controller.util;
+
+import java.util.function.Consumer;
+
+public class ExceptionHandler {
+    public static void retryForIllegalArgument(Runnable runnable, Consumer<String> exceptionMessageHandling) {
+        while (true) {
+            try {
+                runnable.run();
+                return;
+            } catch (IllegalArgumentException exception) {
+                exceptionMessageHandling.accept(exception.getMessage());
+            }
+        }
+    }
+}

From 13bce6f8263b643a19932b3404f4a173afd87cc1 Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 22:54:18 +0900
Subject: [PATCH 19/26] =?UTF-8?q?refactor:=20=EC=A0=95=EC=A0=81=20?=
 =?UTF-8?q?=EC=83=81=EC=88=98,=20=EB=A9=94=EC=86=8C=EB=93=9C=EB=A7=8C=20?=
 =?UTF-8?q?=EA=B0=80=EC=A7=84=20=ED=81=B4=EB=9E=98=EC=8A=A4=20=EA=B0=9D?=
 =?UTF-8?q?=EC=B2=B4=20=EC=83=9D=EC=84=B1=20=EB=B0=A9=EC=A7=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/racingcar/controller/util/ExceptionHandler.java | 3 +++
 src/main/java/racingcar/model/constants/ErrorMessage.java     | 3 +++
 src/main/java/racingcar/model/constants/GameRule.java         | 3 +++
 src/main/java/racingcar/view/constants/ErrorMessage.java      | 3 +++
 src/main/java/racingcar/view/constants/Format.java            | 3 +++
 src/main/java/racingcar/view/constants/InputMessage.java      | 3 +++
 src/main/java/racingcar/view/constants/OutputMessage.java     | 3 +++
 src/main/java/racingcar/view/util/NumberParser.java           | 3 +++
 8 files changed, 24 insertions(+)

diff --git a/src/main/java/racingcar/controller/util/ExceptionHandler.java b/src/main/java/racingcar/controller/util/ExceptionHandler.java
index cf74bb451..9e9a0092d 100644
--- a/src/main/java/racingcar/controller/util/ExceptionHandler.java
+++ b/src/main/java/racingcar/controller/util/ExceptionHandler.java
@@ -3,6 +3,9 @@
 import java.util.function.Consumer;
 
 public class ExceptionHandler {
+    private ExceptionHandler() {
+    }
+
     public static void retryForIllegalArgument(Runnable runnable, Consumer<String> exceptionMessageHandling) {
         while (true) {
             try {
diff --git a/src/main/java/racingcar/model/constants/ErrorMessage.java b/src/main/java/racingcar/model/constants/ErrorMessage.java
index 4b10f4c8d..c3099892c 100644
--- a/src/main/java/racingcar/model/constants/ErrorMessage.java
+++ b/src/main/java/racingcar/model/constants/ErrorMessage.java
@@ -4,4 +4,7 @@ public class ErrorMessage {
     public static final String CARS_LACK_OF_COUNT = "경주할 자동차는 최소 2대 필요합니다.";
     public static final String CAR_NAME_LENGTH_OVER = "자동차 이름은 최대 5글자까지만 가능합니다.";
     public static final String CARS_DUPLICATED_NAME = "중복된 자동차 이름을 등록할 수 없습니다.";
+    
+    private ErrorMessage() {
+    }
 }
diff --git a/src/main/java/racingcar/model/constants/GameRule.java b/src/main/java/racingcar/model/constants/GameRule.java
index a5dfe5c3b..b25c8b963 100644
--- a/src/main/java/racingcar/model/constants/GameRule.java
+++ b/src/main/java/racingcar/model/constants/GameRule.java
@@ -4,4 +4,7 @@ public class GameRule {
     public static final int NAME_LENGTH_UPPER_LIMIT = 5;
     public static final int CARS_COUNT_LOWER_LIMIT = 2;
     public static final int CAR_FORWARD_LOWER_LIMIT = 4;
+
+    private GameRule() {
+    }
 }
diff --git a/src/main/java/racingcar/view/constants/ErrorMessage.java b/src/main/java/racingcar/view/constants/ErrorMessage.java
index e77f4f23b..50f6badd8 100644
--- a/src/main/java/racingcar/view/constants/ErrorMessage.java
+++ b/src/main/java/racingcar/view/constants/ErrorMessage.java
@@ -5,4 +5,7 @@ public class ErrorMessage {
     public static final String FORMAT_INVALID = "입력값의 형식이 잘못되었습니다.";
     public static final String NOT_A_DIGIT = "입력값이 자연수가 아닙니다.";
     public static final String NOT_A_NUMBER = "입력값이 숫자가 아닙니다.";
+
+    private ErrorMessage() {
+    }
 }
diff --git a/src/main/java/racingcar/view/constants/Format.java b/src/main/java/racingcar/view/constants/Format.java
index 59fb1682f..3810c1ec9 100644
--- a/src/main/java/racingcar/view/constants/Format.java
+++ b/src/main/java/racingcar/view/constants/Format.java
@@ -7,4 +7,7 @@ public class Format {
     public static final String OUTPUT_CAR_POSITION_UNIT = "-";
     public static final String OUTPUT_WINNERS_FORMAT = "최종 우승자 : %s" + System.lineSeparator();
     public static final String OUTPUT_ERROR_FORMAT = "[ERROR] %s" + System.lineSeparator();
+
+    private Format() {
+    }
 }
diff --git a/src/main/java/racingcar/view/constants/InputMessage.java b/src/main/java/racingcar/view/constants/InputMessage.java
index ce09f2526..506c82782 100644
--- a/src/main/java/racingcar/view/constants/InputMessage.java
+++ b/src/main/java/racingcar/view/constants/InputMessage.java
@@ -3,4 +3,7 @@
 public class InputMessage {
     public static final String CAR_NAMES = "경주할 자동차 이름을 입력하세요.(이름은 쉼표(,) 기준으로 구분)";
     public static final String MOVE_COUNT = "시도할 회수는 몇회인가요?";
+
+    private InputMessage() {
+    }
 }
diff --git a/src/main/java/racingcar/view/constants/OutputMessage.java b/src/main/java/racingcar/view/constants/OutputMessage.java
index 6ec77ea7d..34b8660c3 100644
--- a/src/main/java/racingcar/view/constants/OutputMessage.java
+++ b/src/main/java/racingcar/view/constants/OutputMessage.java
@@ -2,4 +2,7 @@
 
 public class OutputMessage {
     public static final String GAME_RESULT = "실행 결과";
+
+    private OutputMessage() {
+    }
 }
diff --git a/src/main/java/racingcar/view/util/NumberParser.java b/src/main/java/racingcar/view/util/NumberParser.java
index 783dcf545..3ae9bc410 100644
--- a/src/main/java/racingcar/view/util/NumberParser.java
+++ b/src/main/java/racingcar/view/util/NumberParser.java
@@ -3,6 +3,9 @@
 import racingcar.view.constants.ErrorMessage;
 
 public class NumberParser {
+    private NumberParser() {
+    }
+
     public static int parseDigit(String value) {
         int number = parseInteger(value);
         if (number <= 0) {

From 70a940221e6982be80dfba56bc714430b297b305 Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 22:59:27 +0900
Subject: [PATCH 20/26] =?UTF-8?q?refactor:=20=EC=9E=85=EB=A0=A5=20?=
 =?UTF-8?q?=ED=98=95=EC=8B=9D=20=EA=B2=80=EC=A6=9D=20=EB=A1=9C=EC=A7=81=20?=
 =?UTF-8?q?=ED=8C=8C=EC=8B=B1=ED=81=B4=EB=9E=98=EC=8A=A4=EB=A1=9C=20?=
 =?UTF-8?q?=EB=B6=84=EB=A6=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/README.md                                |  2 +-
 src/main/java/racingcar/view/InputView.java   | 15 ----------
 .../racingcar/view/util/FormatParser.java     | 28 +++++++++++++++----
 3 files changed, 23 insertions(+), 22 deletions(-)

diff --git a/docs/README.md b/docs/README.md
index 467695358..450165831 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -101,7 +101,7 @@
 ### 코드 스타일 및 요구사항
 
 - [ ] 인덴트 2 이하 검토
-- [ ] 메소드 분리 검토
+- [ ] 메소드, 클래스 분리 검토
 - [ ] 메소드 길이 10라인 이하 검토
 - [ ] 파라미터 개수 3개 이하 검토
 - [ ] 변수, 메소드 선언 순서 정리 (메소드 정렬 기준 1순위: 메소드 간 논리적 연관성, 2순위: public-private)
diff --git a/src/main/java/racingcar/view/InputView.java b/src/main/java/racingcar/view/InputView.java
index 16d060957..4beb28fc3 100644
--- a/src/main/java/racingcar/view/InputView.java
+++ b/src/main/java/racingcar/view/InputView.java
@@ -4,7 +4,6 @@
 
 import camp.nextstep.edu.missionutils.Console;
 import java.util.List;
-import racingcar.view.constants.ErrorMessage;
 import racingcar.view.constants.InputMessage;
 import racingcar.view.util.FormatParser;
 import racingcar.view.util.NumberParser;
@@ -13,23 +12,9 @@ public class InputView {
     public List<String> inputCarNames() {
         System.out.println(InputMessage.CAR_NAMES);
         String line = Console.readLine();
-        validateEmpty(line);
         return FormatParser.split(line, INPUT_NAMES_DELIMITER);
     }
 
-    private void validateEmpty(String line) {
-        if (hasWrongFormat(line)) {
-            throw new IllegalArgumentException(ErrorMessage.FORMAT_INVALID);
-        }
-    }
-
-    private boolean hasWrongFormat(String line) {
-        if (line.isEmpty()) {
-            return true;
-        }
-        return line.startsWith(INPUT_NAMES_DELIMITER) || line.endsWith(INPUT_NAMES_DELIMITER);
-    }
-
     public int inputMoveCount() {
         System.out.println(InputMessage.MOVE_COUNT);
         String line = Console.readLine();
diff --git a/src/main/java/racingcar/view/util/FormatParser.java b/src/main/java/racingcar/view/util/FormatParser.java
index b40eca686..7a28aaf66 100644
--- a/src/main/java/racingcar/view/util/FormatParser.java
+++ b/src/main/java/racingcar/view/util/FormatParser.java
@@ -1,5 +1,7 @@
 package racingcar.view.util;
 
+import static racingcar.view.constants.Format.INPUT_NAMES_DELIMITER;
+
 import java.util.Arrays;
 import java.util.List;
 import java.util.StringJoiner;
@@ -11,6 +13,7 @@ private FormatParser() {
     }
 
     public static List<String> split(String line, String delimiter) {
+        validateWrongFormat(line);
         String[] values = line.split(delimiter);
         List<String> parsedValue = Arrays.stream(values)
                 .map(String::trim)
@@ -19,14 +22,17 @@ public static List<String> split(String line, String delimiter) {
         return parsedValue;
     }
 
-    public static String join(List<String> values, String delimiter) {
-        StringJoiner joiner = new StringJoiner(delimiter);
-        values.forEach(joiner::add);
-        return joiner.toString();
+    private static void validateWrongFormat(String line) {
+        if (hasWrongFormat(line)) {
+            throw new IllegalArgumentException(ErrorMessage.FORMAT_INVALID);
+        }
     }
 
-    public static String make(int count, String unit) {
-        return unit.repeat(count);
+    private static boolean hasWrongFormat(String line) {
+        if (line.isEmpty()) {
+            return true;
+        }
+        return line.startsWith(INPUT_NAMES_DELIMITER) || line.endsWith(INPUT_NAMES_DELIMITER);
     }
 
     private static void validateEmpty(List<String> values) {
@@ -39,4 +45,14 @@ private static boolean hasEmptyValue(List<String> values) {
         return values.stream()
                 .anyMatch(String::isEmpty);
     }
+
+    public static String join(List<String> values, String delimiter) {
+        StringJoiner joiner = new StringJoiner(delimiter);
+        values.forEach(joiner::add);
+        return joiner.toString();
+    }
+
+    public static String make(int count, String unit) {
+        return unit.repeat(count);
+    }
 }

From d23576201fa752ebbf6c7acecdddfbfcbb40adf0 Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 23:07:47 +0900
Subject: [PATCH 21/26] =?UTF-8?q?refactor:=20=EC=BD=94=EB=93=9C=20?=
 =?UTF-8?q?=EC=8A=A4=ED=83=80=EC=9D=BC=20=EC=9A=94=EA=B5=AC=EC=82=AC?=
 =?UTF-8?q?=ED=95=AD=20=EA=B2=80=ED=86=A0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/README.md                                  | 17 ++++++++---------
 .../racingcar/controller/RacingController.java  |  8 ++++----
 2 files changed, 12 insertions(+), 13 deletions(-)

diff --git a/docs/README.md b/docs/README.md
index 450165831..59dcac7f3 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -100,12 +100,11 @@
 
 ### 코드 스타일 및 요구사항
 
-- [ ] 인덴트 2 이하 검토
-- [ ] 메소드, 클래스 분리 검토
-- [ ] 메소드 길이 10라인 이하 검토
-- [ ] 파라미터 개수 3개 이하 검토
-- [ ] 변수, 메소드 선언 순서 정리 (메소드 정렬 기준 1순위: 메소드 간 논리적 연관성, 2순위: public-private)
-- [ ] Java 코드 컨벤션 가이드 준수 검토
-- [ ] 요구사항에 주어진 클래스 적용 규칙 검토
-- [ ] TODO 주석 모두 해결 후 삭제
-- [ ] 클래스 주석 작성
\ No newline at end of file
+- [x] 인덴트 2 이하 검토
+- [ ] 메소드, 클래스 분리 검토 : RacingGame의 cars 관련 메소드 분리 검토
+- [x] 메소드 길이 10라인 이하 검토
+- [x] 파라미터 개수 3개 이하 검토
+- [x] 변수, 메소드 선언 순서 정리 (메소드 정렬 기준 1순위: 메소드 간 논리적 연관성, 2순위: public-private)
+- [x] Java 코드 컨벤션 가이드 준수 검토
+- [x] 요구사항에 주어진 클래스 적용 규칙 검토
+- [x] TODO 주석 모두 해결 후 삭제
\ No newline at end of file
diff --git a/src/main/java/racingcar/controller/RacingController.java b/src/main/java/racingcar/controller/RacingController.java
index d372343fe..057512d5f 100644
--- a/src/main/java/racingcar/controller/RacingController.java
+++ b/src/main/java/racingcar/controller/RacingController.java
@@ -14,12 +14,12 @@ public class RacingController {
     private final RacingGame racingGame = new RacingGame(new RandomNumberGenerator());
 
     public void run() {
-        executeFunction(this::enrollCarToRace);
-        executeFunction(this::moveCarsByCount);
-        executeFunction(this::showWinners);
+        repeatUntilGetLegalAnswer(this::enrollCarToRace);
+        repeatUntilGetLegalAnswer(this::moveCarsByCount);
+        showWinners();
     }
 
-    private void executeFunction(Runnable runnable) {
+    private void repeatUntilGetLegalAnswer(Runnable runnable) {
         ExceptionHandler.retryForIllegalArgument(runnable, outputView::printErrorMessage);
     }
 

From cd1688602e069f9990541d263fb545418e65f4ec Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 23:17:40 +0900
Subject: [PATCH 22/26] =?UTF-8?q?refactor:=20racingCars=20=EC=9D=BC?=
 =?UTF-8?q?=EA=B8=89=20=EC=BD=9C=EB=A0=89=EC=85=98=EC=9C=BC=EB=A1=9C=20?=
 =?UTF-8?q?=EB=B6=84=EB=A6=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/README.md                                |  2 +-
 src/main/java/racingcar/model/RacingGame.java | 33 ++++-----------
 .../racingcar/model/domain/RacingCars.java    | 42 +++++++++++++++++++
 .../java/racingcar/model/RacingGameTest.java  | 27 +-----------
 .../model/domain/RacingCarsTest.java          | 32 ++++++++++++++
 5 files changed, 84 insertions(+), 52 deletions(-)
 create mode 100644 src/main/java/racingcar/model/domain/RacingCars.java
 create mode 100644 src/test/java/racingcar/model/domain/RacingCarsTest.java

diff --git a/docs/README.md b/docs/README.md
index 59dcac7f3..141c6f868 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -101,7 +101,7 @@
 ### 코드 스타일 및 요구사항
 
 - [x] 인덴트 2 이하 검토
-- [ ] 메소드, 클래스 분리 검토 : RacingGame의 cars 관련 메소드 분리 검토
+- [x] 메소드, 클래스 분리 검토
 - [x] 메소드 길이 10라인 이하 검토
 - [x] 파라미터 개수 3개 이하 검토
 - [x] 변수, 메소드 선언 순서 정리 (메소드 정렬 기준 1순위: 메소드 간 논리적 연관성, 2순위: public-private)
diff --git a/src/main/java/racingcar/model/RacingGame.java b/src/main/java/racingcar/model/RacingGame.java
index 99642ece2..3b21f3d4c 100644
--- a/src/main/java/racingcar/model/RacingGame.java
+++ b/src/main/java/racingcar/model/RacingGame.java
@@ -1,17 +1,15 @@
 package racingcar.model;
 
 import java.util.ArrayList;
-import java.util.HashSet;
 import java.util.List;
 import java.util.stream.Collectors;
 import racingcar.dto.CarDTO;
 import racingcar.dto.CarStatusDTO;
-import racingcar.model.constants.ErrorMessage;
-import racingcar.model.constants.GameRule;
 import racingcar.model.domain.Car;
+import racingcar.model.domain.RacingCars;
 
 public class RacingGame {
-    private final List<Car> racingCars = new ArrayList<>();
+    private final RacingCars racingCars = new RacingCars();
     private final NumberGenerator numberGenerator;
 
     public RacingGame(NumberGenerator numberGenerator) {
@@ -19,17 +17,7 @@ public RacingGame(NumberGenerator numberGenerator) {
     }
 
     public void enrollCars(List<String> carNames) {
-        validateCarNames(carNames);
-        carNames.forEach(name -> racingCars.add(new Car(name)));
-    }
-
-    private void validateCarNames(List<String> carNames) {
-        if (carNames.size() < GameRule.CARS_COUNT_LOWER_LIMIT) {
-            throw new IllegalArgumentException(ErrorMessage.CARS_LACK_OF_COUNT);
-        }
-        if (carNames.size() != new HashSet<>(carNames).size()) {
-            throw new IllegalArgumentException(ErrorMessage.CARS_DUPLICATED_NAME);
-        }
+        racingCars.addCars(carNames);
     }
 
     public List<CarStatusDTO> repeatMovingCars(int moveCount) {
@@ -41,8 +29,9 @@ public List<CarStatusDTO> repeatMovingCars(int moveCount) {
     }
 
     private List<CarDTO> moveCars() {
-        racingCars.forEach(car -> car.move(numberGenerator.make()));
-        return racingCars.stream()
+        racingCars.race(numberGenerator);
+        List<Car> cars = racingCars.cars();
+        return cars.stream()
                 .map(Car::to)
                 .collect(Collectors.toList());
     }
@@ -50,16 +39,10 @@ private List<CarDTO> moveCars() {
     public List<String> findWinners() {
         List<String> winnerNames = new ArrayList<>();
         int maxPosition = 0;
-        for (Car car : racingCars) {
+        for (Car car : racingCars.cars()) {
             maxPosition = Math.max(maxPosition, car.getPosition());
         }
-        findCarsAtPosition(maxPosition).forEach(car -> winnerNames.add(car.getName()));
+        racingCars.findCarsAtPosition(maxPosition).forEach(car -> winnerNames.add(car.getName()));
         return winnerNames;
     }
-
-    private List<Car> findCarsAtPosition(int position) {
-        return racingCars.stream()
-                .filter(car -> car.getPosition() == position)
-                .collect(Collectors.toList());
-    }
 }
diff --git a/src/main/java/racingcar/model/domain/RacingCars.java b/src/main/java/racingcar/model/domain/RacingCars.java
new file mode 100644
index 000000000..d77bfe408
--- /dev/null
+++ b/src/main/java/racingcar/model/domain/RacingCars.java
@@ -0,0 +1,42 @@
+package racingcar.model.domain;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.stream.Collectors;
+import racingcar.model.NumberGenerator;
+import racingcar.model.constants.ErrorMessage;
+import racingcar.model.constants.GameRule;
+
+public class RacingCars {
+    private final List<Car> cars = new ArrayList<>();
+
+    private void validateCarNames(List<String> carNames) {
+        if (carNames.size() < GameRule.CARS_COUNT_LOWER_LIMIT) {
+            throw new IllegalArgumentException(ErrorMessage.CARS_LACK_OF_COUNT);
+        }
+        if (carNames.size() != new HashSet<>(carNames).size()) {
+            throw new IllegalArgumentException(ErrorMessage.CARS_DUPLICATED_NAME);
+        }
+    }
+
+    public void addCars(List<String> carNames) {
+        validateCarNames(carNames);
+        carNames.forEach(name -> cars.add(new Car(name)));
+    }
+
+    public void race(NumberGenerator numberGenerator) {
+        cars.forEach(car -> car.move(numberGenerator.make()));
+    }
+
+    public List<Car> cars() {
+        return Collections.unmodifiableList(cars);
+    }
+
+    public List<Car> findCarsAtPosition(int position) {
+        return cars.stream()
+                .filter(car -> car.getPosition() == position)
+                .collect(Collectors.toList());
+    }
+}
diff --git a/src/test/java/racingcar/model/RacingGameTest.java b/src/test/java/racingcar/model/RacingGameTest.java
index 2763a9c63..d17e85b19 100644
--- a/src/test/java/racingcar/model/RacingGameTest.java
+++ b/src/test/java/racingcar/model/RacingGameTest.java
@@ -1,7 +1,6 @@
 package racingcar.model;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 import java.util.LinkedList;
 import java.util.List;
@@ -9,36 +8,12 @@
 import org.junit.jupiter.api.Test;
 
 class RacingGameTest {
-    @Test
-    void 자동차_등록_개수_예외발생() {
-        RacingGame racingGame = new RacingGame(new RandomNumberGenerator());
-
-        assertThatThrownBy(() -> racingGame.enrollCars(List.of("자동차명")))
-                .isInstanceOf(IllegalArgumentException.class);
-    }
-
-    @Test
-    void 자동차_등록_이름길이_예외발생() {
-        RacingGame racingGame = new RacingGame(new RandomNumberGenerator());
-
-        assertThatThrownBy(() -> racingGame.enrollCars(List.of("자동차명여섯")))
-                .isInstanceOf(IllegalArgumentException.class);
-    }
-
-    @Test
-    void 자동차_등록_중복이름_예외발생() {
-        RacingGame racingGame = new RacingGame(new RandomNumberGenerator());
-
-        assertThatThrownBy(() -> racingGame.enrollCars(List.of("자동차명", "자동차명")))
-                .isInstanceOf(IllegalArgumentException.class);
-    }
-
     @Test
     void 우승자_계산_성공() {
         RacingGame racingGame = new RacingGame(new TestNumberGenerator());
         racingGame.enrollCars(List.of("pobi", "jason", "java", "joon"));
         racingGame.repeatMovingCars(1);
-        
+
         assertThat(racingGame.findWinners()).containsOnly("java", "joon");
     }
 
diff --git a/src/test/java/racingcar/model/domain/RacingCarsTest.java b/src/test/java/racingcar/model/domain/RacingCarsTest.java
new file mode 100644
index 000000000..c9bf538a0
--- /dev/null
+++ b/src/test/java/racingcar/model/domain/RacingCarsTest.java
@@ -0,0 +1,32 @@
+package racingcar.model.domain;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+import java.util.List;
+import org.junit.jupiter.api.Test;
+
+class RacingCarsTest {
+    @Test
+    void 자동차_등록_개수_예외발생() {
+        RacingCars racingCars = new RacingCars();
+
+        assertThatThrownBy(() -> racingCars.addCars(List.of("자동차명")))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+
+    @Test
+    void 자동차_등록_이름길이_예외발생() {
+        RacingCars racingCars = new RacingCars();
+
+        assertThatThrownBy(() -> racingCars.addCars(List.of("자동차명여섯")))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+
+    @Test
+    void 자동차_등록_중복이름_예외발생() {
+        RacingCars racingCars = new RacingCars();
+
+        assertThatThrownBy(() -> racingCars.addCars(List.of("자동차명", "자동차명")))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+}
\ No newline at end of file

From 8ba1b459132a63ec435efbbf0c74f5905d87ec07 Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 23:28:26 +0900
Subject: [PATCH 23/26] =?UTF-8?q?test:=20=EC=9E=90=EB=8F=99=EC=B0=A8=20?=
 =?UTF-8?q?=EC=9D=B4=EB=8F=99=20=EA=B8=B0=EB=8A=A5=20=EC=98=88=EC=99=B8?=
 =?UTF-8?q?=EC=82=AC=ED=95=AD=20=EC=B6=94=EA=B0=80,=20=ED=85=8C=EC=8A=A4?=
 =?UTF-8?q?=ED=8A=B8=20=EC=BD=94=EB=93=9C=20=EC=B6=94=EA=B0=80=20=EC=9E=91?=
 =?UTF-8?q?=EC=84=B1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/README.md                                       |  4 +++-
 .../java/racingcar/model/RandomNumberGenerator.java  |  8 ++++----
 .../java/racingcar/model/constants/ErrorMessage.java |  3 ++-
 .../java/racingcar/model/constants/GameRule.java     |  3 +++
 src/main/java/racingcar/model/domain/Car.java        |  7 +++++++
 src/test/java/racingcar/model/domain/CarTest.java    | 12 ++++++++++++
 6 files changed, 31 insertions(+), 6 deletions(-)

diff --git a/docs/README.md b/docs/README.md
index 141c6f868..8d4dad99b 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -32,11 +32,12 @@
     - [x] 경주할 모든 자동차의 이름을 저장하는 기능
         - [x] `예외발생` : 경주할 자동차가 1대
         - [x] `예외발생` : 이름의 길이가 5자 초과
-        - [x] `예외발생` : 중복 이름이 존재하는 경우
+        - [x] `예외발생` : 중복 이름 존재
 2.
     - [x] 랜덤 숫자를 생성하는 기능
 3.
     - [x] 자동차가 전달받은 숫자에 따라 이동(전진하거나 전진하지않음)하는 기능
+        - [x] `예외발생` : 범위 밖 숫자
 4.
     - [x] 자동차 간 위치를 비교해 가장 값이 큰, 최소 1명 최대 n명의 우승자를 구하는 기능
 5.
@@ -89,6 +90,7 @@
 - [x] 자동차 이동
     - [x] 전진
     - [x] 정지
+    - [x] 예외 테스트
 - [x] 우승자 계산
     - [x] 성공 테스트 (공동 우승 확인)
 
diff --git a/src/main/java/racingcar/model/RandomNumberGenerator.java b/src/main/java/racingcar/model/RandomNumberGenerator.java
index 96c280c92..14ba6381b 100644
--- a/src/main/java/racingcar/model/RandomNumberGenerator.java
+++ b/src/main/java/racingcar/model/RandomNumberGenerator.java
@@ -1,13 +1,13 @@
 package racingcar.model;
 
+import static racingcar.model.constants.GameRule.NUMBER_RANGE_END;
+import static racingcar.model.constants.GameRule.NUMBER_RANGE_START;
+
 import camp.nextstep.edu.missionutils.Randoms;
 
 public class RandomNumberGenerator implements NumberGenerator {
-    private static final int RANGE_START = 0;
-    private static final int RANGE_END = 9;
-
     @Override
     public int make() {
-        return Randoms.pickNumberInRange(RANGE_START, RANGE_END);
+        return Randoms.pickNumberInRange(NUMBER_RANGE_START, NUMBER_RANGE_END);
     }
 }
diff --git a/src/main/java/racingcar/model/constants/ErrorMessage.java b/src/main/java/racingcar/model/constants/ErrorMessage.java
index c3099892c..81b39b4e4 100644
--- a/src/main/java/racingcar/model/constants/ErrorMessage.java
+++ b/src/main/java/racingcar/model/constants/ErrorMessage.java
@@ -4,7 +4,8 @@ public class ErrorMessage {
     public static final String CARS_LACK_OF_COUNT = "경주할 자동차는 최소 2대 필요합니다.";
     public static final String CAR_NAME_LENGTH_OVER = "자동차 이름은 최대 5글자까지만 가능합니다.";
     public static final String CARS_DUPLICATED_NAME = "중복된 자동차 이름을 등록할 수 없습니다.";
-    
+    public static final String MOVING_NUMBER_OUT_OF_BOUNDS = "자동차 이동을 위한 값이 범위 밖 수입니다.";
+
     private ErrorMessage() {
     }
 }
diff --git a/src/main/java/racingcar/model/constants/GameRule.java b/src/main/java/racingcar/model/constants/GameRule.java
index b25c8b963..785b7bae9 100644
--- a/src/main/java/racingcar/model/constants/GameRule.java
+++ b/src/main/java/racingcar/model/constants/GameRule.java
@@ -4,6 +4,9 @@ public class GameRule {
     public static final int NAME_LENGTH_UPPER_LIMIT = 5;
     public static final int CARS_COUNT_LOWER_LIMIT = 2;
     public static final int CAR_FORWARD_LOWER_LIMIT = 4;
+    public static final int NUMBER_RANGE_START = 0;
+    public static final int NUMBER_RANGE_END = 9;
+
 
     private GameRule() {
     }
diff --git a/src/main/java/racingcar/model/domain/Car.java b/src/main/java/racingcar/model/domain/Car.java
index 33ab2cea6..cf29865d4 100644
--- a/src/main/java/racingcar/model/domain/Car.java
+++ b/src/main/java/racingcar/model/domain/Car.java
@@ -20,11 +20,18 @@ private void validateName(String name) {
     }
 
     public void move(int number) {
+        validateNumber(number);
         if (number >= GameRule.CAR_FORWARD_LOWER_LIMIT) {
             position++;
         }
     }
 
+    private void validateNumber(int number) {
+        if (number < GameRule.NUMBER_RANGE_START || number > GameRule.NUMBER_RANGE_END) {
+            throw new IllegalArgumentException(ErrorMessage.MOVING_NUMBER_OUT_OF_BOUNDS);
+        }
+    }
+
     public String getName() {
         return name;
     }
diff --git a/src/test/java/racingcar/model/domain/CarTest.java b/src/test/java/racingcar/model/domain/CarTest.java
index bf8f47960..513483a72 100644
--- a/src/test/java/racingcar/model/domain/CarTest.java
+++ b/src/test/java/racingcar/model/domain/CarTest.java
@@ -1,8 +1,11 @@
 package racingcar.model.domain;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.ValueSource;
 
 class CarTest {
     @Test
@@ -20,4 +23,13 @@ class CarTest {
 
         assertThat(car.to().getPosition()).isEqualTo(0);
     }
+
+    @ParameterizedTest
+    @ValueSource(ints = {-1, 10})
+    void 이동_범위_밖_수_예외발생(int number) {
+        Car car = new Car("테스트");
+
+        assertThatThrownBy(() -> car.move(number))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
 }
\ No newline at end of file

From ed509c80da806126788eaa549890e767a2b6c17c Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Wed, 14 Dec 2022 23:32:10 +0900
Subject: [PATCH 24/26] =?UTF-8?q?docs:=20=EB=AF=B8=EC=85=98=20=EB=AA=85?=
 =?UTF-8?q?=EC=84=B8=EC=84=9C=20=ED=81=B4=EB=9E=98=EC=8A=A4=20=EA=B5=AC?=
 =?UTF-8?q?=EC=A1=B0=20=EC=9E=91=EC=84=B1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docs/README.md | 33 ++++++++++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

diff --git a/docs/README.md b/docs/README.md
index 8d4dad99b..fe5d80267 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -96,7 +96,38 @@
 
 ## 🖋 클래스 설계
 
-[작성 예정]
+```
+└── racingcar
+    ├── Application.java
+    ├── controller
+    │   ├── RacingController.java
+    │   └── util
+    │       └── ExceptionHandler.java
+    ├── dto
+    │   ├── CarDTO.java
+    │   └── CarStatusDTO.java
+    ├── model
+    │   ├── NumberGenerator.java
+    │   ├── RacingGame.java
+    │   ├── RandomNumberGenerator.java
+    │   ├── constants
+    │   │   ├── ErrorMessage.java
+    │   │   └── GameRule.java
+    │   └── domain
+    │       ├── Car.java
+    │       └── RacingCars.java
+    └── view
+        ├── InputView.java
+        ├── OutputView.java
+        ├── constants
+        │   ├── ErrorMessage.java
+        │   ├── Format.java
+        │   ├── InputMessage.java
+        │   └── OutputMessage.java
+        └── util
+            ├── FormatParser.java
+            └── NumberParser.java
+```
 
 ## ♻️ 리팩토링 검토 목록
 

From 57d8c46515044caede34726e46e2d7a03d96c202 Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Thu, 15 Dec 2022 10:13:57 +0900
Subject: [PATCH 25/26] =?UTF-8?q?refactor:=20=EC=9E=90=EB=8F=99=EC=B0=A8?=
 =?UTF-8?q?=20=EC=9C=84=EC=B9=98=20=EB=B9=84=EA=B5=90=20getter=20=EB=A9=94?=
 =?UTF-8?q?=EC=86=8C=EB=93=9C=20=EC=82=AD=EC=A0=9C,=20compareTo=20?=
 =?UTF-8?q?=EC=82=AC=EC=9A=A9=ED=95=98=EB=8F=84=EB=A1=9D=20=EB=A1=9C?=
 =?UTF-8?q?=EC=A7=81=20=EC=88=98=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/racingcar/model/RacingGame.java |  8 +-------
 src/main/java/racingcar/model/domain/Car.java | 11 ++++++-----
 .../racingcar/model/domain/RacingCars.java    | 19 ++++++++++++++-----
 .../racingcar/view/util/FormatParser.java     |  5 +----
 4 files changed, 22 insertions(+), 21 deletions(-)

diff --git a/src/main/java/racingcar/model/RacingGame.java b/src/main/java/racingcar/model/RacingGame.java
index 3b21f3d4c..8d60d9447 100644
--- a/src/main/java/racingcar/model/RacingGame.java
+++ b/src/main/java/racingcar/model/RacingGame.java
@@ -37,12 +37,6 @@ private List<CarDTO> moveCars() {
     }
 
     public List<String> findWinners() {
-        List<String> winnerNames = new ArrayList<>();
-        int maxPosition = 0;
-        for (Car car : racingCars.cars()) {
-            maxPosition = Math.max(maxPosition, car.getPosition());
-        }
-        racingCars.findCarsAtPosition(maxPosition).forEach(car -> winnerNames.add(car.getName()));
-        return winnerNames;
+        return racingCars.findWinnerNames();
     }
 }
diff --git a/src/main/java/racingcar/model/domain/Car.java b/src/main/java/racingcar/model/domain/Car.java
index cf29865d4..ca276fed9 100644
--- a/src/main/java/racingcar/model/domain/Car.java
+++ b/src/main/java/racingcar/model/domain/Car.java
@@ -4,7 +4,7 @@
 import racingcar.model.constants.ErrorMessage;
 import racingcar.model.constants.GameRule;
 
-public class Car {
+public class Car implements Comparable<Car> {
     private final String name;
     private int position = 0;
 
@@ -36,11 +36,12 @@ public String getName() {
         return name;
     }
 
-    public int getPosition() {
-        return position;
-    }
-
     public CarDTO to() {
         return new CarDTO(name, position);
     }
+
+    @Override
+    public int compareTo(Car o) {
+        return o.position - this.position;
+    }
 }
diff --git a/src/main/java/racingcar/model/domain/RacingCars.java b/src/main/java/racingcar/model/domain/RacingCars.java
index d77bfe408..ef6fdc945 100644
--- a/src/main/java/racingcar/model/domain/RacingCars.java
+++ b/src/main/java/racingcar/model/domain/RacingCars.java
@@ -4,7 +4,6 @@
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
-import java.util.stream.Collectors;
 import racingcar.model.NumberGenerator;
 import racingcar.model.constants.ErrorMessage;
 import racingcar.model.constants.GameRule;
@@ -34,9 +33,19 @@ public List<Car> cars() {
         return Collections.unmodifiableList(cars);
     }
 
-    public List<Car> findCarsAtPosition(int position) {
-        return cars.stream()
-                .filter(car -> car.getPosition() == position)
-                .collect(Collectors.toList());
+    public List<String> findWinnerNames() {
+        List<String> winnerNames = new ArrayList<>();
+        for (Car car : cars) {
+            if (findAnyHeadCar().compareTo(car) == 0) {
+                winnerNames.add(car.getName());
+            }
+        }
+        return winnerNames;
+    }
+
+    private Car findAnyHeadCar() {
+        List<Car> carsToSort = new ArrayList<>(cars);
+        Collections.sort(carsToSort);
+        return carsToSort.get(0);
     }
 }
diff --git a/src/main/java/racingcar/view/util/FormatParser.java b/src/main/java/racingcar/view/util/FormatParser.java
index 7a28aaf66..e11d8a81b 100644
--- a/src/main/java/racingcar/view/util/FormatParser.java
+++ b/src/main/java/racingcar/view/util/FormatParser.java
@@ -4,7 +4,6 @@
 
 import java.util.Arrays;
 import java.util.List;
-import java.util.StringJoiner;
 import java.util.stream.Collectors;
 import racingcar.view.constants.ErrorMessage;
 
@@ -47,9 +46,7 @@ private static boolean hasEmptyValue(List<String> values) {
     }
 
     public static String join(List<String> values, String delimiter) {
-        StringJoiner joiner = new StringJoiner(delimiter);
-        values.forEach(joiner::add);
-        return joiner.toString();
+        return String.join(delimiter, values);
     }
 
     public static String make(int count, String unit) {

From 1c4f7755a21b00db33d888aab82ac70cb68a341e Mon Sep 17 00:00:00 2001
From: yoondgu <doyou2ing@naver.com>
Date: Thu, 15 Dec 2022 10:14:18 +0900
Subject: [PATCH 26/26] =?UTF-8?q?refactor:=20=EA=B0=9C=EB=B0=9C=20?=
 =?UTF-8?q?=EC=97=90=EB=9F=AC=EC=97=90=20=EB=8C=80=ED=95=9C=20=EC=98=88?=
 =?UTF-8?q?=EC=99=B8=EC=B2=98=EB=A6=AC=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../java/racingcar/controller/RacingController.java   | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/main/java/racingcar/controller/RacingController.java b/src/main/java/racingcar/controller/RacingController.java
index 057512d5f..eb7c1ac78 100644
--- a/src/main/java/racingcar/controller/RacingController.java
+++ b/src/main/java/racingcar/controller/RacingController.java
@@ -14,9 +14,14 @@ public class RacingController {
     private final RacingGame racingGame = new RacingGame(new RandomNumberGenerator());
 
     public void run() {
-        repeatUntilGetLegalAnswer(this::enrollCarToRace);
-        repeatUntilGetLegalAnswer(this::moveCarsByCount);
-        showWinners();
+        try {
+            repeatUntilGetLegalAnswer(this::enrollCarToRace);
+            repeatUntilGetLegalAnswer(this::moveCarsByCount);
+            showWinners();
+        } catch (Exception exception) {
+            exception.printStackTrace();
+            outputView.printErrorMessage(exception.getMessage());
+        }
     }
 
     private void repeatUntilGetLegalAnswer(Runnable runnable) {