From 4c9b5bd090d3768fc5591b09db862650bb1a40ce Mon Sep 17 00:00:00 2001
From: junseoplee <junseoplee@soongsil.ac.kr>
Date: Thu, 28 Dec 2023 19:26:38 +0900
Subject: [PATCH 01/14] commit

---
 src/main/java/racingcar/Application.java | 75 ++++++++++++++++++++++++
 src/main/java/racingcar/Car.java         | 17 +++++-
 2 files changed, 91 insertions(+), 1 deletion(-)

diff --git a/src/main/java/racingcar/Application.java b/src/main/java/racingcar/Application.java
index b9ed0456a3..34ea5cb8e8 100644
--- a/src/main/java/racingcar/Application.java
+++ b/src/main/java/racingcar/Application.java
@@ -1,7 +1,82 @@
 package racingcar;
 
+import camp.nextstep.edu.missionutils.Console;
+
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
 public class Application {
     public static void main(String[] args) {
         // TODO 구현 진행
+        // 자동차 이름 입력 -> 유효성 검사
+        List<String> carNames = getCarNames();
+        // 자동차 목록 생성
+        List<Car> cars = createCars(carNames);
+        // 시도 횟수 입력
+        int tryCount = getTryCount();
+        // 레이싱 게임 실행 -> 한 라운드 결과 출력
+        runRacingGame(cars, tryCount);
+        // 우승자 목록 찾기 -> 우승자 목록 출력
+        printWinners(findWinners(cars));
+    }
+
+    // 자동차 이름 입력
+    private static List<String> getCarNames() {
+//        Scanner scanner = new Scanner(System.in);
+        List<String> carNames;
+        while (true) {
+            System.out.println("경주할 자동차 이름을 입력하세요. (이름은 쉼표(,) 기준으로 구분)");
+            String input = Console.readLine();
+            carNames = Arrays.stream(input.split("," , -1));
+            try { // 예외가 발생한다면? -> catch
+                validateCarNames(carNames); // 유효성 검사
+                break;
+            }
+            catch (IllegalArgumentException e) {
+                System.out.println("올바른 형식의 자동차 이름을 입력하세요.");
+            }
+        }
+        return carNames;
+    }
+
+    // 자동차 이름 유효성 검사
+    private static void validateCarNames(List<String> carNames) {
+        for (String str : carNames) {
+            if (str.isEmpty() || str.length() > 5) {
+                throw new IllegalArgumentException();
+            }
+        }
+        Set<String> uniqueNames = new HashSet<>(carNames); // 중복을 허용하지 않는 자료구조
+        if (uniqueNames.size() < carNames.size()) { // 작다면 중복된 이름이 있다는 것을 의미함
+            throw new IllegalArgumentException();
+        }
     }
+
+    // 시도 횟수 입력
+    private static int getTryCount() {
+        int tryCount;
+        while (true) {
+            System.out.println("시도할 횟수는 몇 회인가요?");
+            String input = Console.readLine();
+            try {
+                tryCount = Integer.parseInt(input); // 문자열을 정수로 변환하는 문법
+                if (tryCount <= 0) {
+                    throw new IllegalArgumentException();
+                }
+                break;
+            }
+            catch (IllegalArgumentException e) {
+                System.out.println("올바른 형식의 숫자를 입력하세요.");
+            }
+        }
+        return tryCount;
+    }
+
+    // 자동차 목록 생성.
+    private static List<Car> createCars(List<String> carNames) {
+
+    }
+
 }
diff --git a/src/main/java/racingcar/Car.java b/src/main/java/racingcar/Car.java
index ab3df94921..2ed5550b08 100644
--- a/src/main/java/racingcar/Car.java
+++ b/src/main/java/racingcar/Car.java
@@ -1,5 +1,7 @@
 package racingcar;
 
+import camp.nextstep.edu.missionutils.Randoms;
+
 public class Car {
     private final String name;
     private int position = 0;
@@ -8,5 +10,18 @@ public Car(String name) {
         this.name = name;
     }
 
-    // 추가 기능 구현
+    public void moveForward() {
+        int randomValue = Randoms.pickNumberInRange(0,9);
+        if (randomValue >= 4) {
+            position++;
+        }
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getPosition() {
+        return position;
+    }
 }

From 1dd0320f0d2d701ef52823583edaa24e66469a2c Mon Sep 17 00:00:00 2001
From: junseoplee <junseoplee@soongsil.ac.kr>
Date: Fri, 29 Dec 2023 16:59:43 +0900
Subject: [PATCH 02/14] commit

---
 src/main/java/racingcar/Application.java | 29 ++++++++++++++++++++----
 1 file changed, 24 insertions(+), 5 deletions(-)

diff --git a/src/main/java/racingcar/Application.java b/src/main/java/racingcar/Application.java
index 34ea5cb8e8..9beb9dd806 100644
--- a/src/main/java/racingcar/Application.java
+++ b/src/main/java/racingcar/Application.java
@@ -2,10 +2,7 @@
 
 import camp.nextstep.edu.missionutils.Console;
 
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
+import java.util.*;
 
 public class Application {
     public static void main(String[] args) {
@@ -29,7 +26,7 @@ private static List<String> getCarNames() {
         while (true) {
             System.out.println("경주할 자동차 이름을 입력하세요. (이름은 쉼표(,) 기준으로 구분)");
             String input = Console.readLine();
-            carNames = Arrays.stream(input.split("," , -1));
+            carNames = Arrays.asList(input.split(",", -1));
             try { // 예외가 발생한다면? -> catch
                 validateCarNames(carNames); // 유효성 검사
                 break;
@@ -76,7 +73,29 @@ private static int getTryCount() {
 
     // 자동차 목록 생성.
     private static List<Car> createCars(List<String> carNames) {
+        List<Car> cars = new ArrayList<>(); // 리스트 생성 후 리스트의 원소가 Car 크랫스의 인스턴스가 되도록
+        for (String name : carNames) {
+            cars.add(new Car(name));
+        }
+        return cars;
+    }
 
+    // 레이싱 게임 실행
+    private static void runRacingGame(List<Car> cars, int tryCount) {
+        for (int = 0; i < tryCount; i++) {
+            for (Car car : cars) {
+                car.moveForward();
+            }
+            printRoundResult(cars);
+        }
+    }
+
+    // 한 라운드 결과 출력
+    private static void printRoundResult(List<Car> cars) {
+        for (Car car : cars) {
+//            System.out.println(car.getName() + " : " + "-".repeat(car.getPosition()));
+            System.out.println(car.getName() + " : " + new String(new char[car.getPosition()]).replace('\0', '-'));
+        }
     }
 
 }

From 778bd4232e22515fe87fbbccc82370091f67cfb9 Mon Sep 17 00:00:00 2001
From: junseoplee <junseoplee@soongsil.ac.kr>
Date: Fri, 29 Dec 2023 19:31:01 +0900
Subject: [PATCH 03/14] commit

---
 src/main/java/racingcar/Application.java | 28 +++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/src/main/java/racingcar/Application.java b/src/main/java/racingcar/Application.java
index 9beb9dd806..edc99caa32 100644
--- a/src/main/java/racingcar/Application.java
+++ b/src/main/java/racingcar/Application.java
@@ -82,7 +82,7 @@ private static List<Car> createCars(List<String> carNames) {
 
     // 레이싱 게임 실행
     private static void runRacingGame(List<Car> cars, int tryCount) {
-        for (int = 0; i < tryCount; i++) {
+        for (int i = 0; i < tryCount; i++) {
             for (Car car : cars) {
                 car.moveForward();
             }
@@ -96,6 +96,32 @@ private static void printRoundResult(List<Car> cars) {
 //            System.out.println(car.getName() + " : " + "-".repeat(car.getPosition()));
             System.out.println(car.getName() + " : " + new String(new char[car.getPosition()]).replace('\0', '-'));
         }
+        System.out.println();
     }
 
+    // 우승자 목록 찾기
+    private static List<String> findWinners(List<Car> cars) {
+        int maxPosition = getMaxPosition(cars);
+        List<String> winners = new ArrayList<>();
+        for (Car car : cars) {
+            if (car.getPosition() == maxPosition) {
+                winners.add(car.getName());
+            }
+        }
+        return winners;
+    }
+
+    // 최대 위치 찾기
+    private static int getMaxPosition(List<Car> cars) {
+        int maxPosition = 0;
+        for (Car car : cars) {
+            maxPosition = Math.max(maxPosition, car.getPosition());
+        }
+        return maxPosition;
+    }
+
+    // 우승자 목록 출력
+    private static void printWinners(List<String> winners) {
+        System.out.println("최종 우승자는 " + String.join(", ", winners) + " 입니다!");
+    }
 }

From 7e2027e9f98ae8328acd833be94cc181fb9938f1 Mon Sep 17 00:00:00 2001
From: junseoplee <junseoplee@soongsil.ac.kr>
Date: Fri, 29 Dec 2023 19:55:45 +0900
Subject: [PATCH 04/14] commit

---
 src/main/java/racingcar/Application.java | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/main/java/racingcar/Application.java b/src/main/java/racingcar/Application.java
index edc99caa32..134e5bd488 100644
--- a/src/main/java/racingcar/Application.java
+++ b/src/main/java/racingcar/Application.java
@@ -32,7 +32,7 @@ private static List<String> getCarNames() {
                 break;
             }
             catch (IllegalArgumentException e) {
-                System.out.println("올바른 형식의 자동차 이름을 입력하세요.");
+                System.out.println("[ERROR] 올바른 형식의 자동차 이름을 입력하세요.");
             }
         }
         return carNames;
@@ -65,7 +65,7 @@ private static int getTryCount() {
                 break;
             }
             catch (IllegalArgumentException e) {
-                System.out.println("올바른 형식의 숫자를 입력하세요.");
+                System.out.println("[ERROR] 올바른 형식의 숫자를 입력하세요.");
             }
         }
         return tryCount;
@@ -82,6 +82,7 @@ private static List<Car> createCars(List<String> carNames) {
 
     // 레이싱 게임 실행
     private static void runRacingGame(List<Car> cars, int tryCount) {
+        System.out.println("\n실행 결과");
         for (int i = 0; i < tryCount; i++) {
             for (Car car : cars) {
                 car.moveForward();
@@ -122,6 +123,6 @@ private static int getMaxPosition(List<Car> cars) {
 
     // 우승자 목록 출력
     private static void printWinners(List<String> winners) {
-        System.out.println("최종 우승자는 " + String.join(", ", winners) + " 입니다!");
+        System.out.println("최종 우승자 : " + String.join(", ", winners));
     }
 }

From fc327317b649225c4e0bb6971a87e1204c498772 Mon Sep 17 00:00:00 2001
From: junseoplee <junseoplee@soongsil.ac.kr>
Date: Mon, 1 Jan 2024 22:05:55 +0900
Subject: [PATCH 05/14] commit

---
 src/main/java/racingcar/Application.java | 34 +++++++++---------------
 1 file changed, 13 insertions(+), 21 deletions(-)

diff --git a/src/main/java/racingcar/Application.java b/src/main/java/racingcar/Application.java
index 134e5bd488..e14a5fb3d1 100644
--- a/src/main/java/racingcar/Application.java
+++ b/src/main/java/racingcar/Application.java
@@ -6,22 +6,19 @@
 
 public class Application {
     public static void main(String[] args) {
-        // TODO 구현 진행
-        // 자동차 이름 입력 -> 유효성 검사
         List<String> carNames = getCarNames();
-        // 자동차 목록 생성
+
         List<Car> cars = createCars(carNames);
-        // 시도 횟수 입력
+
         int tryCount = getTryCount();
-        // 레이싱 게임 실행 -> 한 라운드 결과 출력
+
         runRacingGame(cars, tryCount);
-        // 우승자 목록 찾기 -> 우승자 목록 출력
+
         printWinners(findWinners(cars));
     }
 
-    // 자동차 이름 입력
+
     private static List<String> getCarNames() {
-//        Scanner scanner = new Scanner(System.in);
         List<String> carNames;
         while (true) {
             System.out.println("경주할 자동차 이름을 입력하세요. (이름은 쉼표(,) 기준으로 구분)");
@@ -38,7 +35,6 @@ private static List<String> getCarNames() {
         return carNames;
     }
 
-    // 자동차 이름 유효성 검사
     private static void validateCarNames(List<String> carNames) {
         for (String str : carNames) {
             if (str.isEmpty() || str.length() > 5) {
@@ -51,7 +47,6 @@ private static void validateCarNames(List<String> carNames) {
         }
     }
 
-    // 시도 횟수 입력
     private static int getTryCount() {
         int tryCount;
         while (true) {
@@ -59,9 +54,7 @@ private static int getTryCount() {
             String input = Console.readLine();
             try {
                 tryCount = Integer.parseInt(input); // 문자열을 정수로 변환하는 문법
-                if (tryCount <= 0) {
-                    throw new IllegalArgumentException();
-                }
+                validateTryCount(tryCount);
                 break;
             }
             catch (IllegalArgumentException e) {
@@ -71,16 +64,20 @@ private static int getTryCount() {
         return tryCount;
     }
 
-    // 자동차 목록 생성.
+    private static void validateTryCount(int tryCount) {
+        if (tryCount <= 0) {
+            throw new IllegalArgumentException();
+        }
+    }
+
     private static List<Car> createCars(List<String> carNames) {
-        List<Car> cars = new ArrayList<>(); // 리스트 생성 후 리스트의 원소가 Car 크랫스의 인스턴스가 되도록
+        List<Car> cars = new ArrayList<>(); // 리스트 생성 후 리스트의 원소가 Car 클래스의 인스턴스가 되도록
         for (String name : carNames) {
             cars.add(new Car(name));
         }
         return cars;
     }
 
-    // 레이싱 게임 실행
     private static void runRacingGame(List<Car> cars, int tryCount) {
         System.out.println("\n실행 결과");
         for (int i = 0; i < tryCount; i++) {
@@ -91,16 +88,13 @@ private static void runRacingGame(List<Car> cars, int tryCount) {
         }
     }
 
-    // 한 라운드 결과 출력
     private static void printRoundResult(List<Car> cars) {
         for (Car car : cars) {
-//            System.out.println(car.getName() + " : " + "-".repeat(car.getPosition()));
             System.out.println(car.getName() + " : " + new String(new char[car.getPosition()]).replace('\0', '-'));
         }
         System.out.println();
     }
 
-    // 우승자 목록 찾기
     private static List<String> findWinners(List<Car> cars) {
         int maxPosition = getMaxPosition(cars);
         List<String> winners = new ArrayList<>();
@@ -112,7 +106,6 @@ private static List<String> findWinners(List<Car> cars) {
         return winners;
     }
 
-    // 최대 위치 찾기
     private static int getMaxPosition(List<Car> cars) {
         int maxPosition = 0;
         for (Car car : cars) {
@@ -121,7 +114,6 @@ private static int getMaxPosition(List<Car> cars) {
         return maxPosition;
     }
 
-    // 우승자 목록 출력
     private static void printWinners(List<String> winners) {
         System.out.println("최종 우승자 : " + String.join(", ", winners));
     }

From 8d549090e01f343399a75b24dce74c7d9681b926 Mon Sep 17 00:00:00 2001
From: junseoplee <junseoplee@soongsil.ac.kr>
Date: Tue, 2 Jan 2024 01:16:01 +0900
Subject: [PATCH 06/14] =?UTF-8?q?TryCount=20=EA=B8=B0=EB=8A=A5=20=EA=B5=AC?=
 =?UTF-8?q?=ED=98=84=20=EB=8B=A8=EC=9C=84=20=EA=B0=84=EC=86=8C=ED=99=94,?=
 =?UTF-8?q?=20getter=EC=99=80=20=ED=98=BC=EB=8F=99=EB=90=98=EB=8A=94=20?=
 =?UTF-8?q?=EB=A9=94=EC=84=9C=EB=93=9C=EB=AA=85=20receive=EB=A1=9C=20?=
 =?UTF-8?q?=EB=B3=80=EA=B2=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/racingcar/Application.java | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/main/java/racingcar/Application.java b/src/main/java/racingcar/Application.java
index e14a5fb3d1..eca44a0194 100644
--- a/src/main/java/racingcar/Application.java
+++ b/src/main/java/racingcar/Application.java
@@ -6,11 +6,11 @@
 
 public class Application {
     public static void main(String[] args) {
-        List<String> carNames = getCarNames();
+        List<String> carNames = receiveCarNames();
 
         List<Car> cars = createCars(carNames);
 
-        int tryCount = getTryCount();
+        int tryCount = receiveTryCount();
 
         runRacingGame(cars, tryCount);
 
@@ -18,7 +18,7 @@ public static void main(String[] args) {
     }
 
 
-    private static List<String> getCarNames() {
+    private static List<String> receiveCarNames() {
         List<String> carNames;
         while (true) {
             System.out.println("경주할 자동차 이름을 입력하세요. (이름은 쉼표(,) 기준으로 구분)");
@@ -47,7 +47,7 @@ private static void validateCarNames(List<String> carNames) {
         }
     }
 
-    private static int getTryCount() {
+    private static int receiveTryCount() {
         int tryCount;
         while (true) {
             System.out.println("시도할 횟수는 몇 회인가요?");

From 3d5d1ff34f063cfbc918ee354d8fdf0248af64a3 Mon Sep 17 00:00:00 2001
From: junseoplee <junseoplee@soongsil.ac.kr>
Date: Tue, 2 Jan 2024 01:48:32 +0900
Subject: [PATCH 07/14] =?UTF-8?q?=EC=9E=84=EC=8B=9C=20=EB=B3=80=EC=88=98?=
 =?UTF-8?q?=EB=AA=85=20str=EC=9D=84=20inputName=EC=9C=BC=EB=A1=9C=20?=
 =?UTF-8?q?=EB=B3=80=EA=B2=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/racingcar/Application.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/racingcar/Application.java b/src/main/java/racingcar/Application.java
index eca44a0194..0ec0176e09 100644
--- a/src/main/java/racingcar/Application.java
+++ b/src/main/java/racingcar/Application.java
@@ -36,8 +36,8 @@ private static List<String> receiveCarNames() {
     }
 
     private static void validateCarNames(List<String> carNames) {
-        for (String str : carNames) {
-            if (str.isEmpty() || str.length() > 5) {
+        for (String inputName : carNames) {
+            if (inputName.isEmpty() || inputName.length() > 5) {
                 throw new IllegalArgumentException();
             }
         }

From 06548c066d2c18ab00f793f2a997bccb8dc97b5a Mon Sep 17 00:00:00 2001
From: junseoplee <junseoplee@soongsil.ac.kr>
Date: Tue, 2 Jan 2024 17:01:21 +0900
Subject: [PATCH 08/14] =?UTF-8?q?=EB=A9=A4=EB=B2=84=20=EB=B3=80=EC=88=98?=
 =?UTF-8?q?=EB=8A=94=20=EB=90=98=EB=8F=84=EB=A1=9D=20=EC=83=9D=EC=84=B1?=
 =?UTF-8?q?=EC=9E=90=EC=97=90=EC=84=9C=20=EC=B4=88=EA=B8=B0=ED=99=94=20?=
 =?UTF-8?q?=ED=95=98=EB=8F=84=EB=A1=9D=20=EB=B3=80=EA=B2=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/racingcar/Car.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/racingcar/Car.java b/src/main/java/racingcar/Car.java
index 2ed5550b08..ba21564ecd 100644
--- a/src/main/java/racingcar/Car.java
+++ b/src/main/java/racingcar/Car.java
@@ -4,10 +4,11 @@
 
 public class Car {
     private final String name;
-    private int position = 0;
+    private int position;
 
     public Car(String name) {
         this.name = name;
+        this.position = 0;
     }
 
     public void moveForward() {

From 537662013bf3aead0e61f21b4c43192b87866379 Mon Sep 17 00:00:00 2001
From: junseoplee <junseoplee@soongsil.ac.kr>
Date: Tue, 2 Jan 2024 17:28:37 +0900
Subject: [PATCH 09/14] =?UTF-8?q?MAX=5FNAME=5FLENGTH=20=EC=83=81=EC=88=98?=
 =?UTF-8?q?=20=EC=84=A0=EC=96=B8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/racingcar/Application.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/racingcar/Application.java b/src/main/java/racingcar/Application.java
index 0ec0176e09..5d49f78de1 100644
--- a/src/main/java/racingcar/Application.java
+++ b/src/main/java/racingcar/Application.java
@@ -37,7 +37,8 @@ private static List<String> receiveCarNames() {
 
     private static void validateCarNames(List<String> carNames) {
         for (String inputName : carNames) {
-            if (inputName.isEmpty() || inputName.length() > 5) {
+            int MAX_NAME_LENGTH = 5;
+            if (inputName.isEmpty() || inputName.length() > MAX_NAME_LENGTH) {
                 throw new IllegalArgumentException();
             }
         }

From cfa16f25bda14804f0f75cd94f86da1ff3bc9479 Mon Sep 17 00:00:00 2001
From: junseoplee <junseoplee@soongsil.ac.kr>
Date: Tue, 2 Jan 2024 18:45:33 +0900
Subject: [PATCH 10/14] =?UTF-8?q?=EC=9C=A0=ED=9A=A8=EC=84=B1=20=EA=B2=80?=
 =?UTF-8?q?=EC=82=AC=20=EB=A9=94=EC=84=9C=EB=93=9C=EB=A5=BC=20Car=20?=
 =?UTF-8?q?=ED=81=B4=EB=9E=98=EC=8A=A4=20=EC=95=88=EC=9C=BC=EB=A1=9C=20?=
 =?UTF-8?q?=EC=9D=B4=EB=8F=99?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/racingcar/Application.java | 15 +--------------
 src/main/java/racingcar/Car.java         | 17 +++++++++++++++++
 2 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/src/main/java/racingcar/Application.java b/src/main/java/racingcar/Application.java
index 5d49f78de1..c39739c238 100644
--- a/src/main/java/racingcar/Application.java
+++ b/src/main/java/racingcar/Application.java
@@ -25,7 +25,7 @@ private static List<String> receiveCarNames() {
             String input = Console.readLine();
             carNames = Arrays.asList(input.split(",", -1));
             try { // 예외가 발생한다면? -> catch
-                validateCarNames(carNames); // 유효성 검사
+                Car.validateCarNames(carNames); // 유효성 검사
                 break;
             }
             catch (IllegalArgumentException e) {
@@ -35,19 +35,6 @@ private static List<String> receiveCarNames() {
         return carNames;
     }
 
-    private static void validateCarNames(List<String> carNames) {
-        for (String inputName : carNames) {
-            int MAX_NAME_LENGTH = 5;
-            if (inputName.isEmpty() || inputName.length() > MAX_NAME_LENGTH) {
-                throw new IllegalArgumentException();
-            }
-        }
-        Set<String> uniqueNames = new HashSet<>(carNames); // 중복을 허용하지 않는 자료구조
-        if (uniqueNames.size() < carNames.size()) { // 작다면 중복된 이름이 있다는 것을 의미함
-            throw new IllegalArgumentException();
-        }
-    }
-
     private static int receiveTryCount() {
         int tryCount;
         while (true) {
diff --git a/src/main/java/racingcar/Car.java b/src/main/java/racingcar/Car.java
index ba21564ecd..e5c5335255 100644
--- a/src/main/java/racingcar/Car.java
+++ b/src/main/java/racingcar/Car.java
@@ -2,6 +2,10 @@
 
 import camp.nextstep.edu.missionutils.Randoms;
 
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
 public class Car {
     private final String name;
     private int position;
@@ -25,4 +29,17 @@ public String getName() {
     public int getPosition() {
         return position;
     }
+
+    public static void validateCarNames(List<String> carNames) {
+        for (String inputName : carNames) {
+            int MAX_NAME_LENGTH = 5;
+            if (inputName.isEmpty() || inputName.length() > MAX_NAME_LENGTH) {
+                throw new IllegalArgumentException();
+            }
+        }
+        Set<String> uniqueNames = new HashSet<>(carNames); // 중복을 허용하지 않는 자료구조
+        if (uniqueNames.size() < carNames.size()) { // 작다면 중복된 이름이 있다는 것을 의미함
+            throw new IllegalArgumentException();
+        }
+    }
 }

From 4a3b5bc63860ff8c5316c3c9723780770506b825 Mon Sep 17 00:00:00 2001
From: junseoplee <junseoplee@soongsil.ac.kr>
Date: Wed, 3 Jan 2024 17:44:37 +0900
Subject: [PATCH 11/14] =?UTF-8?q?refactor:=20=EC=9C=A0=ED=9A=A8=EC=84=B1?=
 =?UTF-8?q?=20=EA=B2=80=EC=82=AC=EB=A5=BC=20Car=20=ED=81=B4=EB=9E=98?=
 =?UTF-8?q?=EC=8A=A4=EC=9D=98=20=EC=B1=85=EC=9E=84=EC=9C=BC=EB=A1=9C?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- validateCarNames 생성자에서 실행
- createCars, receiveNames 통합
---
 src/main/java/racingcar/Application.java | 32 ++++++++----------------
 src/main/java/racingcar/Car.java         | 21 +++++-----------
 2 files changed, 17 insertions(+), 36 deletions(-)

diff --git a/src/main/java/racingcar/Application.java b/src/main/java/racingcar/Application.java
index c39739c238..5736715fde 100644
--- a/src/main/java/racingcar/Application.java
+++ b/src/main/java/racingcar/Application.java
@@ -6,9 +6,7 @@
 
 public class Application {
     public static void main(String[] args) {
-        List<String> carNames = receiveCarNames();
-
-        List<Car> cars = createCars(carNames);
+        List<Car> cars = createCars();
 
         int tryCount = receiveTryCount();
 
@@ -17,27 +15,27 @@ public static void main(String[] args) {
         printWinners(findWinners(cars));
     }
 
-
-    private static List<String> receiveCarNames() {
-        List<String> carNames;
-        while (true) {
+    private static List<Car> createCars() {
+        List<String> carNames = null;
+        List<Car> cars = new ArrayList<>();
+        while (carNames == null) {
             System.out.println("경주할 자동차 이름을 입력하세요. (이름은 쉼표(,) 기준으로 구분)");
             String input = Console.readLine();
-            carNames = Arrays.asList(input.split(",", -1));
-            try { // 예외가 발생한다면? -> catch
-                Car.validateCarNames(carNames); // 유효성 검사
+            try {
+                carNames = Arrays.asList(input.split(",", -1));
+                carNames.forEach(inputName -> cars.add(new Car(inputName))); // carNames 리스트의 각 요소를 inputName으로 받아서 객체를 생성하고 cars 리스트에 추가함.
                 break;
             }
             catch (IllegalArgumentException e) {
                 System.out.println("[ERROR] 올바른 형식의 자동차 이름을 입력하세요.");
             }
         }
-        return carNames;
+        return cars;
     }
 
     private static int receiveTryCount() {
-        int tryCount;
-        while (true) {
+        int tryCount = 0;
+        while (tryCount == 0) {
             System.out.println("시도할 횟수는 몇 회인가요?");
             String input = Console.readLine();
             try {
@@ -58,14 +56,6 @@ private static void validateTryCount(int tryCount) {
         }
     }
 
-    private static List<Car> createCars(List<String> carNames) {
-        List<Car> cars = new ArrayList<>(); // 리스트 생성 후 리스트의 원소가 Car 클래스의 인스턴스가 되도록
-        for (String name : carNames) {
-            cars.add(new Car(name));
-        }
-        return cars;
-    }
-
     private static void runRacingGame(List<Car> cars, int tryCount) {
         System.out.println("\n실행 결과");
         for (int i = 0; i < tryCount; i++) {
diff --git a/src/main/java/racingcar/Car.java b/src/main/java/racingcar/Car.java
index e5c5335255..581ca92907 100644
--- a/src/main/java/racingcar/Car.java
+++ b/src/main/java/racingcar/Car.java
@@ -2,16 +2,13 @@
 
 import camp.nextstep.edu.missionutils.Randoms;
 
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-
 public class Car {
     private final String name;
     private int position;
 
-    public Car(String name) {
-        this.name = name;
+    public Car(String inputName) {
+        validateCarNames(inputName);
+        this.name = inputName;
         this.position = 0;
     }
 
@@ -30,15 +27,9 @@ public int getPosition() {
         return position;
     }
 
-    public static void validateCarNames(List<String> carNames) {
-        for (String inputName : carNames) {
-            int MAX_NAME_LENGTH = 5;
-            if (inputName.isEmpty() || inputName.length() > MAX_NAME_LENGTH) {
-                throw new IllegalArgumentException();
-            }
-        }
-        Set<String> uniqueNames = new HashSet<>(carNames); // 중복을 허용하지 않는 자료구조
-        if (uniqueNames.size() < carNames.size()) { // 작다면 중복된 이름이 있다는 것을 의미함
+    private void validateCarNames(String inputName) {
+        int MAX_NAME_LENGTH = 5;
+        if (inputName.isEmpty() || inputName.length() > MAX_NAME_LENGTH) {
             throw new IllegalArgumentException();
         }
     }

From b696c3d8dc735c9037839a3c075264a90c21e306 Mon Sep 17 00:00:00 2001
From: junseoplee <junseoplee@soongsil.ac.kr>
Date: Wed, 3 Jan 2024 18:14:24 +0900
Subject: [PATCH 12/14] =?UTF-8?q?fix:=20=EC=99=80=EC=9D=BC=EB=93=9C=20?=
 =?UTF-8?q?=EC=B9=B4=EB=93=9C=20=EC=82=AC=EC=9A=A9=ED=95=98=EC=A7=80=20?=
 =?UTF-8?q?=EC=95=8A=EA=B8=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/racingcar/Application.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/racingcar/Application.java b/src/main/java/racingcar/Application.java
index 5736715fde..7224f6a616 100644
--- a/src/main/java/racingcar/Application.java
+++ b/src/main/java/racingcar/Application.java
@@ -2,7 +2,9 @@
 
 import camp.nextstep.edu.missionutils.Console;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
 
 public class Application {
     public static void main(String[] args) {

From 76d0c3925b32ca32f14f4992d34329bf5597a903 Mon Sep 17 00:00:00 2001
From: junseoplee <junseoplee@soongsil.ac.kr>
Date: Wed, 3 Jan 2024 18:19:29 +0900
Subject: [PATCH 13/14] =?UTF-8?q?fix:=20=EC=BB=A8=EB=B2=A4=EC=85=98=20?=
 =?UTF-8?q?=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/Application.java | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/main/java/racingcar/Application.java b/src/main/java/racingcar/Application.java
index 7224f6a616..113dde4328 100644
--- a/src/main/java/racingcar/Application.java
+++ b/src/main/java/racingcar/Application.java
@@ -27,8 +27,7 @@ private static List<Car> createCars() {
                 carNames = Arrays.asList(input.split(",", -1));
                 carNames.forEach(inputName -> cars.add(new Car(inputName))); // carNames 리스트의 각 요소를 inputName으로 받아서 객체를 생성하고 cars 리스트에 추가함.
                 break;
-            }
-            catch (IllegalArgumentException e) {
+            } catch (IllegalArgumentException e) {
                 System.out.println("[ERROR] 올바른 형식의 자동차 이름을 입력하세요.");
             }
         }

From 5839d3144140e393a8e4f805942c4e122a23e3cf Mon Sep 17 00:00:00 2001
From: junseoplee <junseoplee@soongsil.ac.kr>
Date: Fri, 5 Jan 2024 01:49:02 +0900
Subject: [PATCH 14/14] =?UTF-8?q?fix:=20=EC=83=81=EC=88=98=EB=8A=94=20stat?=
 =?UTF-8?q?ic=20final=EB=A1=9C=20=ED=81=B4=EB=9E=98=EC=8A=A4=20=EB=A7=A8?=
 =?UTF-8?q?=20=EC=9C=84=EC=97=90=20=EC=84=A0=EC=96=B8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/racingcar/Application.java | 2 +-
 src/main/java/racingcar/Car.java         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/racingcar/Application.java b/src/main/java/racingcar/Application.java
index 113dde4328..b08f5bccaa 100644
--- a/src/main/java/racingcar/Application.java
+++ b/src/main/java/racingcar/Application.java
@@ -24,7 +24,7 @@ private static List<Car> createCars() {
             System.out.println("경주할 자동차 이름을 입력하세요. (이름은 쉼표(,) 기준으로 구분)");
             String input = Console.readLine();
             try {
-                carNames = Arrays.asList(input.split(",", -1));
+                carNames = Arrays.asList(input.split(","));
                 carNames.forEach(inputName -> cars.add(new Car(inputName))); // carNames 리스트의 각 요소를 inputName으로 받아서 객체를 생성하고 cars 리스트에 추가함.
                 break;
             } catch (IllegalArgumentException e) {
diff --git a/src/main/java/racingcar/Car.java b/src/main/java/racingcar/Car.java
index 581ca92907..65d59a59b8 100644
--- a/src/main/java/racingcar/Car.java
+++ b/src/main/java/racingcar/Car.java
@@ -3,6 +3,7 @@
 import camp.nextstep.edu.missionutils.Randoms;
 
 public class Car {
+    static final int MAX_NAME_LENGTH = 5;
     private final String name;
     private int position;
 
@@ -28,7 +29,6 @@ public int getPosition() {
     }
 
     private void validateCarNames(String inputName) {
-        int MAX_NAME_LENGTH = 5;
         if (inputName.isEmpty() || inputName.length() > MAX_NAME_LENGTH) {
             throw new IllegalArgumentException();
         }