이민우_BackEnd_1주차_과제제출

src/main/java/racingcar/Application.java

@@ -1,7 +1,21 @@
 package racingcar;
 
+import java.util.List;
+
 public class Application {
     public static void main(String[] args) {
-        // TODO: 프로그램 구현
+
+        InputCarName Names = new InputCarName();
+        InputTotalMoves Moves = new InputTotalMoves();
+
+        List<Car> cars = Names.getCars();
+        int MoveCount = Moves.getTotalMoves();
+        System.out.println();
+
+        Racing race = new Racing(cars, MoveCount);
+        race.StartRacing();
+
+        OutputWinner Winner = new OutputWinner(cars);
+        Winner.printWinner();
     }
-}
+}

src/main/java/racingcar/Car.java

@@ -0,0 +1,24 @@
+package racingcar; // 이 선언이 없으면 Car 클래스를 찾지 못합니다.
+
+
+public class Car {
+    private String name;
+    private int movement = 0;
+
+    public Car(String name) {
+        this.name = name;
+    }
+
+    public void Move() {
+        movement++;
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    public int getMovement() {
+        return this.movement;
+    }
+
+}

src/main/java/racingcar/InputCarName.java

@@ -0,0 +1,25 @@
+package racingcar;
+
+import camp.nextstep.edu.missionutils.Console;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class InputCarName {
+
+    public List<Car> getCars() {
+        System.out.println("경주할 자동차 이름을 입력하세요.(이름은 쉼표(,) 기준으로 구분)");
+        String input = Console.readLine();
+        String[] names = input.split(",");
+
+        Validator.CheckNames(names);
+
+        List<Car> carList = new ArrayList<>();
+
+        for (int i = 0; i < names.length; i++) {
+            carList.add(new Car(names[i]));
+        }
+
+        return carList;
+    }
+}

src/main/java/racingcar/InputTotalMoves.java

@@ -0,0 +1,17 @@
+package racingcar;
+
+import camp.nextstep.edu.missionutils.Console;
+import camp.nextstep.edu.missionutils.Randoms;
+import java.util.ArrayList;
+import java.util.List;
+
+public class InputTotalMoves {
+    public int getTotalMoves() {
+        System.out.println("시도할 회수는 몇회인가요?");
+        String input = Console.readLine();
+
+        Validator.CheckCount(input);
+
+        return Integer.parseInt(input);
+    }
+}

src/main/java/racingcar/OutputWinner.java

@@ -0,0 +1,26 @@
+package racingcar;
+
+import java.util.Comparator;
+import java.util.List;
+
+public class OutputWinner {
+    private List<Car> cars;
+    private int boundary;
+
+    OutputWinner(List<Car> cars) {
+        this.cars = cars;
+    }
+
+    public void printWinner() {
+        cars.sort(Comparator.comparingInt(Car::getMovement).reversed());
+        boundary = cars.get(0).getMovement();
+        String winner = "최종 우승자 : ";
+        for (int i = 0; i < cars.size(); i++) {
+            if (cars.get(i).getMovement() == boundary)
+                winner += cars.get(i).getName() + ", ";
+        }
+        winner = winner.substring(0, winner.length() - 2);
+        System.out.println(winner);
+    }
+
+}

src/main/java/racingcar/Racing.java

@@ -0,0 +1,43 @@
+package racingcar;
+
+import camp.nextstep.edu.missionutils.Randoms;
+
+import java.util.List;
+
+public class Racing {
+    private List<Car> cars;
+    private int MoveCount;
+
+    Racing(List<Car> cars, int MoveCount) {
+        this.cars = cars;
+        this.MoveCount = MoveCount;
+    }
+
+    public void StartRacing() {
+        System.out.println("실행 결과");
+
+        for (int i = 0; i < MoveCount; i++) {
+
+            playOneRound();
+            printCars();
+        }
+    }
+
+    private void playOneRound(){
+        for (Car car : cars) {
+            if (Randoms.pickNumberInRange(0, 9) >= 4) {
+                car.Move();
+            }
+        }
+    }
+
+    private void printCars() {
+        for (Car car : cars) {
+            String str = car.getName() + " : " + "-".repeat(car.getMovement());
+            System.out.println(str);
+        }
+        System.out.println();
+    }
+
+
+}

src/main/java/racingcar/Validator.java

@@ -0,0 +1,39 @@
+package racingcar; // 이 선언이 없으면 Car 클래스를 찾지 못합니다.
+
+import java.util.List; // List 타입을 사용하기 위해 필요합니다.
+import java.util.ArrayList;
+
+public class Validator {
+
+    public static void CheckNames(String[] names) {
+        for (int i = 0; i < names.length; i++) {
+            String name = names[i];
+            if (name.isEmpty())     throw new IllegalArgumentException("이름은 빈 값일 수 없습니다.");
+            if (name.length() > 5)  throw new IllegalArgumentException("이름은 5자 이하만 가능합니다.");
+            if (name.contains(" ")) throw new IllegalArgumentException("이름에 공백이 포함될 수 없습니다.");
+        }
+
+        for (int i = 0; i < names.length; i++) {
+            for (int j = i + 1; j < names.length; j++) {
+                if (names[i].equals(names[j])) {
+                    throw new IllegalArgumentException("중복된 이름이 있습니다.");
+                }
+            }
+        }
+    }
+
+    public static void CheckCount(String number) {
+
+        int count;
+
+        try {
+            count = Integer.parseInt(number);
+        } catch (NumberFormatException e) {
+            throw new IllegalArgumentException("시도 횟수는 숫자여야 합니다.");
+        }
+
+        if (count <= 0) {
+            throw new IllegalArgumentException("시도 횟수는 1 이상이어야 합니다.");
+        }
+    }
+}