реализация гонки

src/main/java/Main.java

@@ -1,6 +1,79 @@
+import java.util.Scanner;
 
 public class Main {
     public static void main(String[] args) {
-        System.out.println("Hello world!");
+        Scanner scanner = new Scanner(System.in);
+        Car[] cars = new Car[3];
+        Race race = new Race();
+
+        for (int i = 0; i < cars.length; i++) {
+            System.out.println("Введите название автомобиля " + (i + 1) + ":");
+            String name = scanner.nextLine();
+
+            while (name.trim().isEmpty()) {
+                System.out.println("текст отсутствует");
+                name = scanner.nextLine();
+            }
+
+            int speed = 0;
+            while (true) {
+                System.out.println("Введите скорость автомобиля " + (i + 1) + ":");
+                if (scanner.hasNextInt()) {
+                    speed = scanner.nextInt();
+                    if (speed >= 0 && speed <= 250) {
+                        scanner.nextLine();
+                        break;
+                    } else {
+                        System.out.println("Скорость должна быть от 0 до 250.");
+                    }
+                } else {
+                    System.out.println("Введите целое число.");
+                    scanner.next();
+                }
+            }
+
+            cars[i] = new Car(name, speed);
+        }
+
+        Car winner = race.findWinner(cars);
+        System.out.println("Самая быстрая машина: " + winner.getName());
+    }
+}
+
+class Car {
+    private String name;
+    private int speed;
+
+    public Car(String name, int speed) {
+        this.name = name;
+        this.speed = speed;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getSpeed() {
+        return speed;
+    }
+
+    public int distanceFor24h() {
+        return speed * 24;
+    }
+}
+
+class Race {
+    public Car findWinner(Car[] cars) {
+        Car winner = cars[0];
+        int maxDistance = cars[0].distanceFor24h();
+
+        for (int i = 1; i < cars.length; i++) {
+            int currentDistance = cars[i].distanceFor24h();
+            if (currentDistance > maxDistance) {
+                maxDistance = currentDistance;
+                winner = cars[i];
+            }
+        }
+        return winner;
     }
 }