[권민상] 2주차 과제 제출

src/main/java/racingcar/Application.java

@@ -1,7 +1,19 @@
 package racingcar;
+import java.util.*;
 
 public class Application {
     public static void main(String[] args) {
-        // TODO: 프로그램 구현
+        InputView input = new InputView();
+        InputValidator iv = new InputValidator();
+
+        List<Car> cars = iv.CarNamesValidator(input.inputCarName());
+        int n = iv.IntegerValidator(input.inputRepeatN());
+
+
+        Gaming g = new Gaming(cars, n);
+        g.start();
+
+        Winner w = new Winner(cars);
+        System.out.println("최종 우승자 : " + String.join(", ", w.findWinner()));
     }
 }

src/main/java/racingcar/Car.java

@@ -0,0 +1,23 @@
+package racingcar;
+
+public class Car {
+    private final String name;
+    private int moveCount;
+
+    public Car(String name) {
+        this.name = name;
+        this.moveCount = 0;
+    }
+
+    public void move() {
+        moveCount++;
+    }
+
+
+    public String getName() {
+        return name;
+    }
+    public int getMoveCount() {
+        return moveCount;
+    }
+}

src/main/java/racingcar/Gaming.java

@@ -0,0 +1,28 @@
+package racingcar;
+
+import camp.nextstep.edu.missionutils.Randoms;
+
+import java.util.List;
+
+public class Gaming {
+    private final int n;
+    private final List<Car> cars;
+    public Gaming(List<Car> cars, int n){
+        this.cars = cars;
+        this.n = n;
+    }
+
+    public void start() {
+        System.out.printf("%n실행 결과%n");
+        for (int i=n;i>0;i--) {
+            for (Car car : cars) {
+                int ran = Randoms.pickNumberInRange(0,9);
+                final int movingNumber = 4;
+                if (ran >= movingNumber) {car.move();}
+                String howMove = "-".repeat(car.getMoveCount());
+                System.out.printf("%s : %s%n", car.getName(),howMove);
+            }
+            System.out.println(" "); //한칸 띄기용
+        }
+    }
+}

src/main/java/racingcar/InputValidator.java

@@ -0,0 +1,35 @@
+package racingcar;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+public class InputValidator {
+    public List<Car> CarNamesValidator(String name) {
+        List<Car> cars = new ArrayList<>();
+        for (String a : name.split(",")) {
+            CarNameValidator(a);
+            cars.add(new Car(a));
+        }
+        Set<String> dupCheck = new HashSet<>();
+        for (Car c : cars){dupCheck.add(c.getName());}
+        if (dupCheck.size() != cars.size()) {throw new IllegalArgumentException("중복이름있음");}
+        return cars;
+    }
+
+    private void CarNameValidator(String name) {
+        if (name.isEmpty()) {throw new IllegalArgumentException("왜안적음");}
+        if (name.length() > 5) {throw new IllegalArgumentException("이름5자초과됨");}
+        if (name.contains(" ")) {throw new IllegalArgumentException("공백포함됨");}
+    }
+
+    public int IntegerValidator(String n) {
+        int count;
+        try {count = Integer.parseInt(n);}
+        catch (NumberFormatException e) {throw new IllegalArgumentException("숫자안적음");}
+
+        if (count <= 0) {throw new IllegalArgumentException("0번이하");}
+        return count;
+    }
+}

src/main/java/racingcar/InputView.java

@@ -0,0 +1,15 @@
+package racingcar;
+
+import java.util.Scanner;
+
+public class InputView {
+    private final Scanner in = new Scanner(System.in);
+    public String inputCarName() {
+        System.out.println("경주할 자동차 이름을 입력하세요.(이름은 쉼표(,) 기준으로 구분)");
+        return in.nextLine();
+    }
+    public String inputRepeatN() {
+        System.out.println("시도할 회수는 몇회인가요?");
+        return in.nextLine();
+    }
+}

src/main/java/racingcar/Winner.java

@@ -0,0 +1,23 @@
+package racingcar;
+import java.util.*;
+
+public class Winner {
+    private final List<Car> cars;
+    public Winner(List<Car> cars) {
+        this.cars = cars;
+    }
+    public List<String> findWinner() {
+        int max = 0;
+        List<String> winners = new ArrayList<>();
+        for (Car car : cars) {
+            if (car.getMoveCount() > max) {
+                max = car.getMoveCount();
+                winners.clear();
+                winners.add(car.getName());
+            } else if (car.getMoveCount() == max) {
+                winners.add(car.getName());
+            }
+        }
+        return winners;
+    }
+}