Моя домашняя работа

src/main/java/Car.java

@@ -0,0 +1,41 @@
+import java.util.Objects;
+
+public final class Car {
+    private final String name;
+    private final double speed;
+
+    public Car(String name, double speed) {
+        this.name = name;
+        this.speed = speed;
+    }
+
+    public String name() {
+        return name;
+    }
+
+    public double speed() {
+        return speed;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == this) return true;
+        if (obj == null || obj.getClass() != this.getClass()) return false;
+        var that = (Car) obj;
+        return Objects.equals(this.name, that.name) &&
+                Double.doubleToLongBits(this.speed) == Double.doubleToLongBits(that.speed);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(name, speed);
+    }
+
+    @Override
+    public String toString() {
+        return "Car[" +
+                "name=" + name + ", " +
+                "speed=" + speed + ']';
+    }
+
+}

src/main/java/Main.java

@@ -1,6 +1,37 @@
+import java.util.Scanner;
 
 public class Main {
     public static void main(String[] args) {
-        System.out.println("Hello world!");
+        String name;
+        int i = 3;
+        Car[] cars = new Car[i];
+        int speed;
+
+        Scanner scanner = new Scanner(System.in);
+for (i = 0; i < 3; i++) {
+    System.out.println("Название машины № " + (i + 1) + ":");
+    name = scanner.next();
+
+
+    while (true) {
+        System.out.println("Скорость машины № " + (i + 1) + " в км/ч:");
+        if(!scanner.hasNextInt()) {
+            speed = scanner.nextInt();
+            System.out.println("Введите целочисленное значение.");
+
+        } else speed = scanner.nextInt();
+            if (speed <= 250 && speed > 0) {
+            break;
+        }
+        System.out.println("Введено некорректное значение скорости.");
+    }
+    cars[i] = new Car(name, speed);
+}
+        Race race = new Race();
+        race.determineLeader(cars);
+
+        Car leader = race.getLeader();
+        System.out.println("Самая быстрая машина: " + leader.name());
+        scanner.close();
     }
 }

src/main/java/Race.java

@@ -0,0 +1,18 @@
+public class Race {
+        private Car leader;
+
+    public void determineLeader(Car[] cars) {
+        double maxDistance = 0;
+
+        for (Car car : cars) {
+            double distance = car.speed() * 24;
+            if (distance > maxDistance) {
+                maxDistance = distance;
+                leader = car;
+            }
+        }
+    }
+    public Car getLeader() {
+        return leader;
+    }
+}