[황명하_BackEnd] 2주차 과제 제출합니다

src/main/java/racingcar/Application.java

@@ -3,50 +3,62 @@
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Scanner;
+import camp.nextstep.edu.missionutils.Console;
 
-public class Application
-{
-    public static void main(String[] args)
-    {
-        // TODO: 프로그램 구현
-
+public class Application {
+    public static void main(String[] args) {
         Scanner sc = new Scanner(System.in);
-        String[] names = sc.nextLine().split(",");
 
-        List<Car> cars = new ArrayList<>();
+        List<Car> cars = getCars(sc);
+        int count = getTrialCount(sc);
 
-        for (String name : names)
-        {
-            cars.add(new Car(name));
+        raceCars(cars, count);
+        List<String> winners = getWinners(cars);
+
+        printWinners(winners);
+    }
+
+    private static List<Car> getCars(Scanner sc) {
+        System.out.print("차 이름들을 입력하세요 (쉼표로 구분): ");
+        String[] names = Console.readLine().split(",");
+
+        List<Car> cars = new ArrayList<>();
+        for (String name : names) {
+            cars.add(new Car(name.trim()));
         }
+        return cars;
+    }
 
-        int count=sc.nextInt();
+    private static int getTrialCount(Scanner sc) {
+        System.out.print("시도할 횟수를 입력하세요: ");
+        return sc.nextInt();
+    }
 
+    private static void raceCars(List<Car> cars, int count) {
         for (int i = 0; i < count; i++) {
             for (Car car : cars) {
                 car.movement();
-                System.out.println(car.getName()+ " : " + "-".repeat(car.getPosition()));
+                System.out.println(car.getName() + " : " + "-".repeat(car.getPosition()));
             }
         }
+    }
 
-        int win=0;
-
-        for(Car car:cars)
-        {
-            if(car.getPosition()>win) {
-                win = car.getPosition();
-            }
+    private static List<String> getWinners(List<Car> cars) {
+        int maxPosition = 0;
+        for (Car car : cars) {
+            maxPosition = Math.max(maxPosition, car.getPosition());
         }
-        List<String> winCars = new ArrayList<>();
 
-        for(Car car: cars)
-        {
-            if(car.getPosition() == win)
-            {
-                winCars.add(car.getName());
+        List<String> winners = new ArrayList<>();
+        for (Car car : cars) {
+            if (car.getPosition() == maxPosition) {
+                winners.add(car.getName());
             }
         }
-        System.out.print("winner"+String.join(", ",winCars));
+        return winners;
+    }
 
+    private static void printWinners(List<String> winners) {
+        System.out.println("최종 우승자 : " + String.join(", ", winners));
     }
-}
+}

src/main/java/racingcar/Car.java

@@ -2,34 +2,29 @@
 
 import static camp.nextstep.edu.missionutils.Randoms.pickNumberInRange;
 
-public class Car
-{
-    private String name;
-    int position = 0;
-
-    public Car(String name)
-    {
-        if (name.length() > 5)
-        {
-            throw new IllegalArgumentException("5자 이하만");
+public class Car {
+    private final String name;
+    private int position = 0;
 
+    public Car(String name) {
+        if (name.length() > 5) {
+            throw new IllegalArgumentException("자동차 이름은 5자 이하만 가능합니다.");
         }
-        this.name=name;
+        this.name = name;
     }
 
-    public void movement()
-    {
-        if (pickNumberInRange(0, 9) >= 4)
-        {
+    public void movement() {
+        int randomNumber = pickNumberInRange(0, 9);
+        if (randomNumber >= 4) {
             position++;
         }
     }
 
-    public String getName(){
+    public String getName() {
         return name;
     }
 
-    public int getPosition(){
+    public int getPosition() {
         return position;
     }
-}
+}