Практическая №1

src/main/java/Car.java

@@ -0,0 +1,9 @@
+public class Car {
+    String name;
+    int speed;
+    Car(String name, int speed){
+        this.name = name;
+        this.speed = speed;
+    }
+
+}

src/main/java/Main.java

@@ -1,6 +1,55 @@
-
+import java.util.Scanner;
 public class Main {
     public static void main(String[] args) {
-        System.out.println("Hello world!");
+
+        int numberCars=3;
+
+        Car[] cars = new Car[numberCars];
+
+        for (int i = 0; i < cars.length; i++) {
+            System.out.println("Введите название машины №" + (i + 1) + ":");
+            String nameCar = checkCarName();
+            System.out.println("Введите скорость машины №" + (i + 1) + ":");
+            int speedCar = checkCarSpeed();
+            cars[i] = new Car(nameCar, speedCar);
+        }
+
+        Race.leManRace(cars);
     }
-}
+
+
+
+    static String checkCarName() {
+        Scanner scanner = new Scanner(System.in);
+        String name;
+        while (true) {
+            name = scanner.nextLine();
+            if (!(name.trim().isEmpty())) {
+                return name;
+            } else {
+                System.out.println("Пустая строка!");
+            }
+        }
+    }
+
+
+    public static int checkCarSpeed() {
+        Scanner scanner = new Scanner(System.in);
+        while (true) {
+            if (scanner.hasNextInt()) {
+                int speed = scanner.nextInt();
+                if ((0 < speed) && (speed <= 250)) {
+                    return speed;
+
+                } else {
+                    System.out.println("Неправильная скорость!");
+                }
+            } else {
+                System.out.println("Введите целое число:");
+                scanner.next();
+            }
+        }
+    }
+
+
+}

src/main/java/Race.java

@@ -0,0 +1,22 @@
+public class Race {
+
+    static void leManRace(Car[] cars){
+        int hours = 24;
+        String fastCar ="";
+        for (int i=1; i<cars.length; i++) {
+            if (calculateDistance(cars[i].speed, hours) > calculateDistance(cars[i - 1].speed, hours)) {
+                fastCar = cars[i].name;
+            } else {
+                fastCar = cars[i - 1].name;
+            }
+        }
+        System.out.println("Самая быстрая машина: "+fastCar);
+    }
+
+
+
+    static int calculateDistance(int speed,int hours){
+        return speed * hours;
+    }
+}
+