apr14

src/main/java/racingcar/Application.java

@@ -2,5 +2,41 @@
 
 public class Application {
     public static void main(String[] args) {
+        Game game = new Game();
+        game.run();
+    }
+}
+
+class Car {
+    private int position;
+    private String name;
+    Car(String name, int position) {
+        this.position = 0;
+        if (Validate(name)) {
+            this.name = name;
+        }
+    }
+
+    private boolean Validate(String name) {
+        //밸리데이트 하는 코드
+        if(name == null || name.length() == 0 || name.length() > 5){
+            throw new IllegalArgumentException();
+        }
+        return true;
+    }
+
+    public String getName(){
+        return name;
+    }
+    public int getPosition(){
+        return position;
+    }
+    void tryMove(int act){
+        if(act>=4){
+            position += 1;
+        }
+    }
+    public String getState(){
+        return name+": "+"-".repeat(position);
     }
 }

src/main/java/racingcar/Cars.java

@@ -0,0 +1,33 @@
+package racingcar;
+
+import java.util.List;
+import java.util.Random;
+import java.util.stream.Collectors;
+
+public class Cars {
+    private static final Random random = new Random();
+    private final List<Car> cars;
+
+    Cars(List<String>names){
+        this.cars=names.stream().map(Car::new).toList();
+    }
+
+    public void moveAll(){
+        cars.forEach(car->car.tryMove());
+
+    }
+
+    public String findWinners(){
+        int max = getMaxPosition();
+        String winners = cars.stream()
+                .filter(car -> car.getPosition()==max)
+                .map(Car::getName)
+                .collect(Collectors.joining(","));
+        return winners;
+    }
+    private int getMaxPosition(){
+        return cars.stream().mapToInt(Car::getPosition).max().orElse(0);
+    }
+
+    public List<Car>getCars(){return cars;}
+}

src/main/java/racingcar/Game.java

@@ -0,0 +1,4 @@
+package racingcar;
+
+public class Game {
+}

src/main/java/racingcar/InputView.java

@@ -0,0 +1,35 @@
+package racingcar;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Scanner;
+
+public class InputView {
+    private static final Scanner scanner = new Scanner(System.in);
+
+
+    public static List<String> readCarNames(){
+        String input = scanner.nextLine();
+        return Arrays.asList(input.split(",",-1));
+    }
+
+    public static int readAttemptCount(){
+        String input = scanner.nextLine();
+        try{
+            int attempt = Integer.parseInt(input);
+            validatePostiveAttempt(attempt);
+            return attempt;
+        }
+        catch(Exception e){
+            throw new IllegalArgumentException(
+            );
+        }
+
+    }
+
+    private static void validatePostiveAttempt(int attempt){
+        if(attempt<=0){
+            throw new IllegalArgumentException();
+        }
+    }
+}

src/main/java/racingcar/Output.java

@@ -0,0 +1,25 @@
+package racingcar;
+
+public class Output {
+    public static void printRoundResult(){
+
+    }
+
+
+}
+
+class Game {
+    public void run() {
+        Cars cars = new Cars(InputView.readCarNames());
+        int round = InputView.readAttemptCount();
+        for(int i=0;i<round;i++){
+            cars.moveAll();
+            render(cars);
+        }
+        System.out.println("최종 우승자 : "+cars.findWinners());
+    }
+
+    private void render(Cars cars) {
+        cars.getCars().forEach(car -> System.out.println(car.getState()));
+    }
+}