[장지훈_BackEnd] 2주차 과제 제출합니다.

docs/README.md

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+구현해야할 목록
+
+자동차 이름과 시도횟수 입력
+
+레이싱 진행 출력
+
+우승자 출력

src/main/java/racingcar/Application.java

@@ -1,7 +1,16 @@
 package racingcar;
 
 public class Application {
+
     public static void main(String[] args) {
         // TODO: 프로그램 구현
+        RaceSetup setup = new RaceSetup();
+        setup.raceSetup();
+
+        Race race = new Race(setup.getCarsList(), setup.getRound());
+        race.progressRounds();
+
+        RaceResult result = new RaceResult(setup.getCarsList());
+        result.printWinner();
     }
 }

src/main/java/racingcar/Car.java

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+package racingcar;
+
+public class Car {
+    private String name;
+    private int score = 0;
+    private boolean winner = false;
+
+    Car(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    public int getScore() {
+        return this.score;
+    }
+
+    public boolean isWinner() {
+        if (this.winner) {
+            return true;
+        }
+        return false;
+    }
+
+    public void move() {
+        this.score++;
+    }
+
+    public void win() {
+        this.winner = true;
+    }
+}

src/main/java/racingcar/Race.java

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+package racingcar;
+
+import camp.nextstep.edu.missionutils.Randoms;
+import java.util.ArrayList;
+
+
+public class Race {
+    private ArrayList<Car> cars;
+    private int round;
+
+    Race(ArrayList<Car> cars, int round) {
+        this.cars = cars;
+        this.round = round;
+    }
+
+    public void progressRounds() {
+        System.out.println("실행 결과");
+        for (int i = 0; i < this.round; i++) {
+            moveCars();
+            printScore();
+            System.out.println(" ");
+        }
+    }
+
+    private void moveCars() {
+        int random;
+
+        for (int i = 0; i < this.cars.size(); i++) {
+            random = Randoms.pickNumberInRange(0, 9);
+            if (random >= 4) {
+                this.cars.get(i).move();
+            }
+        }
+    }
+
+    private void printScore() {
+        for (int i = 0; i < this.cars.size(); i++) {
+            System.out.print(this.cars.get(i).getName() + " : ");
+            for (int j = 0; j < this.cars.get(i).getScore(); j++) {
+                System.out.print("-");
+            }
+            System.out.println(" ");
+        }
+    }
+}

src/main/java/racingcar/RaceResult.java

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+package racingcar;
+
+import java.util.ArrayList;
+
+public class RaceResult {
+    private ArrayList<Car> cars;
+    RaceResult(ArrayList<Car> cars) {
+        this.cars = cars;
+    }
+
+    public void printWinner() {
+        boolean flag = true;
+
+        this.findWinner();
+        System.out.print("최종 우승자 : ");
+
+        for (int i = 0; i < this.cars.size(); i++) {
+            if (this.cars.get(i).isWinner() && !flag) {
+                System.out.print(", ");
+                System.out.print(this.cars.get(i).getName());
+            }
+            if (this.cars.get(i).isWinner() && flag) {
+                System.out.print(this.cars.get(i).getName());
+                flag = false;
+            }
+        }
+    }
+
+    private void findWinner() {
+        int maxScore = 0;
+
+        for (int i = 0; i < this.cars.size(); i++) {
+            if (this.cars.get(i).getScore() >= maxScore) {
+                maxScore = this.cars.get(i).getScore();
+            }
+        }
+
+        for (int i = 0; i < cars.size(); i++) {
+            if (cars.get(i).getScore() == maxScore) {
+                cars.get(i).win();
+            }
+        }
+    }
+}

src/main/java/racingcar/RaceSetup.java

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+package racingcar;
+
+import camp.nextstep.edu.missionutils.Console;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Set;
+
+public class RaceSetup {
+    private ArrayList<Car> cars;
+    private int round;
+
+    RaceSetup(){}
+
+    public void raceSetup() {
+        cars = this.setupCars();
+        this.inputRound();
+    }
+
+    public ArrayList<Car> getCarsList() {
+        return cars;
+    }
+
+    public int getRound() {
+        return round;
+    }
+
+    private boolean isDuplicateName(ArrayList<Car> cars) {
+        Set<String> nameSet = new HashSet<>();
+
+        for (int i = 0; i < cars.size() ; i++) {
+            if (!nameSet.add(cars.get(i).getName())) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private ArrayList<Car> setupCars() {
+        System.out.println("경주할 자동차 이름을 입력하세요.(이름은 쉼표(,) 기준으로 구분)");
+        String input = Console.readLine();
+        String[] names = input.split(",");
+        ArrayList<Car> cars = new ArrayList<>();
+
+        for (int i = 0; i < names.length; i++) {
+            if (names[i].length() > 5 || names[i].contains(" ") || names[i].isEmpty()) {
+                throw new IllegalArgumentException();
+            }
+            cars.add(new Car(names[i]));
+        }
+        if (isDuplicateName(cars)) {
+            throw new IllegalArgumentException();
+        }
+        return cars;
+    }
+
+    private void inputRound() {
+        System.out.println("시도할 회수는 몇회인가요?");
+        try {
+            this.round = Integer.parseInt(Console.readLine().trim());
+        } catch(NumberFormatException e) {
+            throw new IllegalArgumentException();
+        }
+        if (this.round <= 0) {
+            throw new IllegalArgumentException();
+        }
+        System.out.println(" ");
+    }
+}