[박창현] 프리코스 미션 제출합니다.

src/main/java/Controller/CarRaceController.java

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+package Controller;
+
+import Model.Car;
+import View.Output;
+import View.Validation;
+
+import java.util.ArrayList;
+
+public class CarRaceController {
+    Validation validation = new Validation();
+    Output output = new Output();
+    ArrayList<Car> carList; // 자동차 이름
+    int cnt;                // 횟수
+
+    public void run() {
+        // 입력한 값 검증 (자동차 이름, 횟수)
+        carList = validation.carNameException();
+        cnt = validation.countException();
+
+        // 자동차 경주수행
+        runRace();
+
+        // 결과 출력
+        output.printFinalWinner(carList);
+    }
+
+    public void runRace() {
+        System.out.println("\n실행결과");
+
+        int i=0;
+        while (i < cnt) {
+            for (Car car : carList) {
+                car.move();
+            }
+            i++;
+            output.printRslt(carList);
+        }
+    }
+}

src/main/java/Model/Car.java

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+package Model;
+
+import java.util.Random;
+
+public class Car {
+
+    private String name;
+    public int distance;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public int getDistance() {
+        return distance;
+    }
+
+    public void setDistance(int distance) {
+        this.distance = distance;
+    }
+
+    public Car(String name) {
+        this.name = name;
+        this.distance = 0;
+    }
+
+    public void move() {
+        Random rand = new Random();
+        int n = rand.nextInt(10);
+        if(n >= 4) {
+            distance++;
+        }
+    }
+
+    public void move(int N) {
+        if(N >= 4) {
+            distance++;
+        }
+    }
+
+    public String toString() {
+        String str = "";
+
+        for(int i=0; i < distance; i++) {
+            str = str.concat("-");
+        }
+        return name + " : " + str;
+    }
+}

src/main/java/SpringApplication.java

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+import Controller.CarRaceController;
+
+public class SpringApplication {
+    public static void main(String[] args) {
+        CarRaceController carRaceController = new CarRaceController();
+        carRaceController.run();
+    }
+}

src/main/java/View/Input.java

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+package View;
+
+import Model.Car;
+
+import java.util.ArrayList;
+import java.util.Scanner;
+import java.util.StringTokenizer;
+
+import static java.lang.System.*;
+
+public class Input {
+    Scanner sc = new Scanner(System.in);
+
+    public ArrayList<Car> getName() throws Exception {
+        String carName;
+        ArrayList<Car> carList= new ArrayList<Car>();
+
+        System.out.println("경주할 자동차 이름을 입력하세요. (이름은 쉼표(,) 기준으로 구분)");
+
+        try {
+            carName = sc.next();
+        } catch (Exception e) {
+            throw new IllegalArgumentException();
+        }
+
+        StringTokenizer stk = new StringTokenizer(carName, ",");
+        while (stk.hasMoreTokens()) {
+            String token = stk.nextToken();
+
+            // 자동차 이름이 5자 이상일 경우 예외처리
+            if(token.length() > 5) {
+                throw new Exception("[ERROR] NAME CAN BE UP TO 5 CHARACTERS LONG");
+            }
+            carList.add(new Car(token));
+        }
+
+        return carList;
+    }
+
+    public int getCount() {
+        System.out.println("시도할 횟수는 몇회인가요?");
+
+        int cntNum;
+
+        try{
+            cntNum = sc.nextInt();
+        } catch (Exception e) {
+            throw new IllegalArgumentException();
+        }
+        return cntNum;
+    }
+}

src/main/java/View/Output.java

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+package View;
+
+import Model.Car;
+import java.util.ArrayList;
+
+public class Output {
+
+    public void printRslt(ArrayList<Car> carList) {
+        for (Car car : carList) {
+            System.out.println(car.toString());
+        }
+        System.out.println(" ");
+    }
+
+    public void printFinalWinner(ArrayList<Car> carList) {
+        ArrayList<String> winnerList = new ArrayList<>();
+        int maxDist = carList.get(0).getDistance();
+
+        for (Car car : carList) {
+            if(maxDist > car.getDistance()) continue;
+            if(maxDist < car.getDistance()) {
+                winnerList.clear();
+                maxDist = car.getDistance();
+            }
+            winnerList.add(car.getName());
+        }
+
+        System.out.print("최종 우승자 : ");
+
+        for(int i=0; i<winnerList.size(); i++) {
+            System.out.println(winnerList.get(i));
+            if(i != winnerList.size() - 1) {
+                System.out.print(", ");
+            }
+        }
+    }
+}

src/main/java/View/Validation.java

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+package View;
+
+import Model.Car;
+
+import java.util.ArrayList;
+
+public class Validation {
+
+    public ArrayList<Car> carNameException(){
+        Input input = new Input();
+
+        while(true){
+            try {
+                return input.getName();
+            } catch (IllegalArgumentException e) {
+                System.out.println("[ERROR] WRONG DATA INPUT!");
+            } catch (Exception e) {
+                System.out.println(e.getMessage());
+            }
+        }
+    }
+
+    public int countException() {
+        while(true){
+            Input input = new Input();
+            try {
+                return input.getCount();
+            } catch (IllegalArgumentException e) {
+                System.out.println("[ERROR] WRONG DATA INPUT!");
+            }
+        }
+    }
+}

src/test/java/carRace/carRaceTest.java

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+package carRace;
+
+import Model.Car;
+import View.Input;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class carRaceTest {
+
+    public Car car;
+    public Input input;
+
+    @BeforeEach
+    void setUp() {
+        car = new Car("");
+        car.setName("TEST");
+    }
+
+    // 초기화 테스트
+    @Test
+    void initializationTest() {
+        car.setName("TEST");
+        car.setDistance(3);
+        assertThat(car.getName()).isEqualTo("TEST");
+        assertThat(car.getDistance()).isEqualTo(3);
+    }
+
+    // 차량이동 테스트
+    @Test
+    void moveTest() {
+        car.setName("TEST");
+        car.setDistance(4);
+        assertThat(car.toString()).isEqualTo("TEST : ----");
+    }
+
+    // 4 이상에서 전진하는지 테스트
+    @Test
+    void moveAboveFourTest() {
+        car.move(4);
+        assertThat(car.getDistance()).isEqualTo(1);
+
+        car.move(2);
+        assertThat(car.getDistance()).isEqualTo(1);
+
+        car.move(8);
+        assertThat(car.getDistance()).isEqualTo(2);
+    }
+
+}