Проектная работа №1

src/main/java/Car.java

@@ -0,0 +1,17 @@
+public class Car {
+    private final int speed;
+    private final String model;
+
+    public Car(int speed, String model) {
+        this.speed = speed;
+        this.model = model;
+    }
+
+    public int getSpeed() {
+        return speed;
+    }
+
+    public String getModel() {
+        return model;
+    }
+}

src/main/java/Main.java

@@ -1,6 +1,58 @@
+import java.util.Scanner;
 
 public class Main {
+    private static final int FIRST_CAR = 1;
+    private static final int SECOND_CAR = 2;
+    private static final int THIRD_CAR = 3;
+    private static final int MIN_SPEED = 0;
+    private static final int MAX_SPEED = 250;
+
     public static void main(String[] args) {
-        System.out.println("Hello world!");
+        System.out.println("Добро пожаловать в самую реалистичную гоночную игру!");
+        Scanner scanner = new Scanner(System.in);
+
+        Car carOne = getCarFromUser(scanner, FIRST_CAR);
+        Car carTwo = getCarFromUser(scanner, SECOND_CAR);
+        Car carThree = getCarFromUser(scanner, THIRD_CAR);
+
+        defineLeaderAndTextOut(carOne, carTwo, carThree);
+    }
+
+    public static Car getCarFromUser(Scanner scanner, int carNumber) {
+        String carModel = "";
+        boolean isValid = false;
+
+        while (!isValid) {
+            System.out.println("Введите название машины № " + carNumber);
+            carModel = scanner.nextLine().trim();
+            if (!carModel.isEmpty()) {
+                isValid = true;
+            } else {
+                System.err.println("Ошибка: Недопустимое название автомобиля. Пожалуйста, попробуйте снова.");
+            }
+        }
+
+        int carSpeed;
+        System.out.println("Введите скорость машины № " + carNumber);
+        do {
+            try {
+                carSpeed = Integer.parseInt(scanner.nextLine());
+                if (carSpeed < MIN_SPEED || carSpeed > MAX_SPEED) {
+                    System.out.println("Введите корректную скорость машины № " + carNumber + "!");
+                    continue;
+                }
+                break;
+            } catch (NumberFormatException e) {
+                System.err.println("Ошибка ввода: скорость должна быть целым числом.");
+            }
+        } while (true);
+
+        return new Car(carSpeed, carModel);
+    }
+
+    public static void defineLeaderAndTextOut(Car one, Car two, Car three) {
+        Race.defineLeaderFromParticipants(one, two, three);
+        Car raceLeader = Race.getLeader();
+        System.out.println("Гонку выиграл автомобиль " + raceLeader.getModel());
     }
-}
+}

src/main/java/Race.java

@@ -0,0 +1,21 @@
+public class Race {
+    private static Car currentLeader;
+
+    public static void defineLeaderFromParticipants(Car one, Car two, Car three) {
+        if (one.getSpeed() >= two.getSpeed() && one.getSpeed() >= three.getSpeed()) {
+            setLeader(one);
+        } else if (two.getSpeed() >= one.getSpeed() && two.getSpeed() >= three.getSpeed()) {
+            setLeader(two);
+        } else {
+            setLeader(three);
+        }
+    }
+
+    private static void setLeader(Car leader) {
+        currentLeader = leader;
+    }
+
+    public static Car getLeader() {
+        return currentLeader;
+    }
+}