[임현희_BackEnd] 1주차 과제 제출합니다.

src/main/java/racingcar/Application.java

@@ -1,7 +1,29 @@
 package racingcar;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import static camp.nextstep.edu.missionutils.Console.readLine;
+
 public class Application {
     public static void main(String[] args) {
         // TODO: 프로그램 구현
+        ArrayList<Car> cars = new ArrayList<>();
+        System.out.println("경주할 자동차 이름을 입력하세요.");
+        String name = readLine();
+
+        // 피드백: 배열 → List<String>으로 바꿈
+        List<String> nameList = Arrays.asList(name.split(","));
+
+        for (String n : nameList) { // 피드백: 배열 → List<String>으로 바꿈
+            Car car = new Car(n);
+            cars.add(car);
+        }
+
+        System.out.println("시도할 회수는 몇회인가요?");
+        int count = Integer.parseInt(readLine());
+
+        Racing race = new Racing();
+        race.startRace(cars, count);
     }
 }

src/main/java/racingcar/Car.java

@@ -0,0 +1,35 @@
+package racingcar;
+import camp.nextstep.edu.missionutils.Randoms;
+
+public class Car {
+    private static final int MOVE_THRESHOLD = 4; // 피드백: 4를 의미있는 상수로
+    protected String name;
+    private String distance;
+
+    public Car(String Name) {
+        if (Name == null || Name.length() > 5)
+            throw new IllegalArgumentException();
+        this.name = Name;
+        this.distance = "";
+    }
+
+    public void move() { // 피드백: 접근제어자 명시 (default → public)
+        int num = Randoms.pickNumberInRange(0, 9);
+        if (num >= MOVE_THRESHOLD) {
+            this.distance += "-";
+        }
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getDistance() {
+        return distance;
+    }
+
+    public int getDistanceLength() {
+        return distance.length();
+    }
+
+}

src/main/java/racingcar/Racing.java

@@ -0,0 +1,31 @@
+package racingcar;
+
+import java.util.ArrayList;
+
+public class Racing {
+    public void startRace(ArrayList<Car> cars, Integer count) {
+        for (int i = 0; i < count; i++) {
+            for (Car c : cars) {
+                c.move();
+                System.out.println(c.getName() + " : " + c.getDistance());
+            }
+            System.out.println();
+        }
+
+        int max = 0;
+        for (Car c : cars) {
+            if (c.getDistanceLength() > max) {
+                max = c.getDistanceLength();
+            }
+        }
+
+        ArrayList<String> names = new ArrayList<>();
+        for (Car c : cars) {
+            if (c.getDistanceLength() == max) {
+                names.add(c.getName());
+            }
+        }
+
+        System.out.println("최종 우승자 : " + String.join(",", names));
+    }
+}