전수진_BackEnd_1주차_과제제출

src/main/java/racingcar/Application.java

@@ -1,7 +1,90 @@
 package racingcar;
 
+import camp.nextstep.edu.missionutils.Randoms;
+
+import java.util.*;
+
+
+class CarNames {
+    String name;
+    int moveCount;
+
+    public CarNames(String name) {
+        this.name = name;
+    }
+    public void move(){
+        moveCount++;
+    }
+    public int getMoveCount(){
+        return moveCount;
+    }
+}
+
 public class Application {
     public static void main(String[] args) {
-        // TODO: 프로그램 구현
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.println("경주할 자동차 이름을 입력하세요.(이름은 쉼표(,) 기준으로 구분)");
+        String input = scanner.nextLine();
+
+        String[] a = input.split(",");
+
+        List<CarNames> cars = new ArrayList<>();
+        for (String name : a) {
+            if (name.isEmpty()) {throw new IllegalArgumentException("비어있음");}
+            if (name.length()>5) {throw new IllegalArgumentException("5자초과");}
+            if (name.contains(" ")) {throw new IllegalArgumentException("공백포함됨");}
+            cars.add(new CarNames(name));
+        }
+
+        Set<String> dupCheck = new HashSet<>();
+        for (CarNames c: cars){dupCheck.add(c.name);}
+
+        if (dupCheck.size() != cars.size()) {throw new IllegalArgumentException("중복");}
+
+
+        System.out.println("시도할 회수는 몇회인가요?");
+        int n;
+        try {
+            n= scanner.nextInt();
+            if (n<=0){
+                throw new IllegalArgumentException("0번이하");
+            }
+        } catch (Exception e){
+            throw new IllegalArgumentException("숫자비었음");
+        }
+        System.out.println();
+        System.out.println("실행 결과");
+
+        for(int i=n; i>0; i--){
+            for(CarNames c:cars){
+                int r = Randoms.pickNumberInRange(0,9);
+                if(r>=4){
+                    c.move();
+                }
+                System.out.printf("%s : %s%n",c.name,"-".repeat(c.getMoveCount()));
+            }
+            System.out.println();
+        }
+
+
+
+        List<String> winner = new ArrayList<>();
+        int max = 0;
+        for(CarNames c: cars ){
+            if(max==c.getMoveCount()){
+                winner.add(c.name);
+            } else if(max<c.getMoveCount()){
+                winner.clear();
+                max=c.getMoveCount();
+                winner.add(c.name);
+            }
+        }
+
+
+
+        System.out.println("최종 우승자 : "+String.join(", ",winner));
+        System.out.println();
+
     }
 }