import java.util.InputMismatchException; import java.util.Scanner; public class App { private static final Scanner scanner = new Scanner(System.in); private final int MIN_SPEED = 1; private final int MAX_SPEED = 250; private final int CARS_IN_RACE = 3; public void run() { Race race = new Race(); for (int i = 1; i <= CARS_IN_RACE; i++) { Car car = createCarFromUserInput(i); race.add(car); } System.out.println(race.getResult()); scanner.close(); } private static Car createCarFromUserInput(int position) { String name = getCarNameFromUserInput(position); int speed = getCarSpeedFromUserInput(position); return new Car(speed, name); } private static String getCarNameFromUserInput(int position) { System.out.println("— Введите название машины №" + position + ":"); while (true) { String name = scanner.next(); if (isNameValid(name)) { return name; } System.out.println("— Неправильное имя"); } } private static boolean isNameValid(String name) { return !name.isEmpty(); } private static int getCarSpeedFromUserInput(int position) { System.out.println("— Введите скорость машины №" + position + ":"); while (true) { try { int speed = scanner.nextInt(); if (isSpeedValid(speed)) { return speed; } System.out.println("— Неправильная скорость"); } catch (InputMismatchException e) { scanner.nextLine(); System.out.println("— Неправильная скорость"); } } } private static boolean isSpeedValid(int speed) { return speed >= MIN_SPEED && speed <= MAX_SPEED; } }