🚀 5단계 - 자동차 경주(리팩토링)

src/main/java/com/racing/Main.java

@@ -1,55 +1,9 @@
 package com.racing;
 
-import com.racing.domain.Car;
-import com.racing.domain.Cars;
-import com.racing.ui.InputView;
-import com.racing.ui.ResultView;
-import com.racing.utils.CarHelper;
-import com.racing.utils.RacingHelper;
-
-import java.util.List;
+import com.racing.service.RacingService;
 
 public class Main {
     public static void main(String[] args) {
-        String carNames = InputView.getCarName();
-        int tryNumber = InputView.getTryNumber();
-
-        List<String> validCarNames = CarHelper.splitCarName(carNames);
-
-        Cars cars = createCars(validCarNames);
-
-        runRace(cars, tryNumber);
-
-        Cars winners =
-                cars.determineWinners();
-        ResultView.printWinners(winners);
-    }
-
-    private static Cars createCars(List<String> carNames) {
-        Cars cars = new Cars();
-
-        for (String carName : carNames) {
-            cars.addCars(new Car(0, carName));
-        }
-
-        return cars;
-    }
-
-    private static void runRace(Cars cars, int tryNumber) {
-        ResultView.printStartMessage();
-        for (int i = 0; i < tryNumber; i++) {
-            moveAllCars(cars);
-
-            int roundNumber = i + 1;
-            ResultView.printRoundResult(roundNumber, cars);
-        }
-    }
-
-    private static void moveAllCars(Cars cars) {
-        RacingHelper racingHelper = new RacingHelper();
-
-        for (Car car : cars.getCarList()) {
-            car.move(racingHelper.shouldMove());
-        }
+        RacingService.startRacingGame();
     }
 }

src/main/java/com/racing/service/RacingService.java

@@ -0,0 +1,55 @@
+package com.racing.service;
+
+import com.racing.domain.Car;
+import com.racing.domain.Cars;
+import com.racing.ui.InputView;
+import com.racing.ui.ResultView;
+import com.racing.utils.CarHelper;
+import com.racing.utils.RacingHelper;
+
+import java.util.List;
+
+public class RacingService {
+    public static void startRacingGame() {
+        String carNames = InputView.getCarName();
+        int tryNumber = InputView.getTryNumber();
+
+        List<String> validCarNames = CarHelper.splitCarName(carNames);
+
+        Cars cars = initializeRacingCars(validCarNames);
+
+        executeRaceRounds(cars, tryNumber);
+
+        Cars winners =
+                cars.determineWinners();
+        ResultView.printWinners(winners);
+    }
+
+    private static Cars initializeRacingCars(List<String> carNames) {
+        Cars cars = new Cars();
+
+        for (String carName : carNames) {
+            cars.addCars(new Car(0, carName));
+        }
+
+        return cars;
+    }
+
+    private static void executeRaceRounds(Cars cars, int tryNumber) {
+        ResultView.printStartMessage();
+        for (int i = 0; i < tryNumber; i++) {
+            advanceAllCars(cars);
+
+            int roundNumber = i + 1;
+            ResultView.printRoundResult(roundNumber, cars);
+        }
+    }
+
+    private static void advanceAllCars(Cars cars) {
+        RacingHelper racingHelper = new RacingHelper();
+
+        for (Car car : cars.getCarList()) {
+            car.move(racingHelper.shouldMove());
+        }
+    }
+}