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Добавлены файлы классов Race и Car, добавлен код в классе Main #1

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18 changes: 18 additions & 0 deletions src/main/java/Car.java
View file Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
public class Car {
String name;
int speed;

Car(String name, int speed) {
this.name = name;
this.speed = speed;
}

public String getName() {
return name;
}

public int calculateDistance() {
return speed * 24;
}

}
65 changes: 63 additions & 2 deletions src/main/java/Main.java
View file Open in desktop
Original file line number Diff line number Diff line change
@@ -1,6 +1,67 @@
import java.util.HashSet;
import java.util.InputMismatchException;
import java.util.Scanner;
import java.util.Set;

public class Main {

final static Scanner scanner = new Scanner(System.in);

public static void main(String[] args) {
System.out.println("Hello world!");
Car[] cars = new Car[3];
Set<String> usedNames = new HashSet<>(); //Здесь будет храниться список введенных названий машин
for (int i = 0; i < 3; i++) {
String carName;
int carSpeed;

while (true) {
System.out.printf("Введите название машины No%d: ", i + 1);
carName = inputCarName(i);
if (!usedNames.contains(carName)) {
usedNames.add(carName);
break;
} else {
System.out.printf("Машина %s уже существует. Пожалуйста, введите другое название.\n", carName);
}
}
carSpeed = inputCarSpeed(i);
cars[i] = new Car(carName, carSpeed);
}

Race race = new Race(cars);
Car leader = race.findLeader();

System.out.printf("Самая быстрая машина: %s", leader.getName());

}

public static String inputCarName(int i) {
while (true) {
String name = scanner.nextLine().trim();
if (!name.isEmpty()) {
return name;
} else {
System.out.println("Введено пустое название. Пожалуйста, введите название автомобиля.");
System.out.printf("Введите название машины No%d: ", i + 1);
}
}
}

public static int inputCarSpeed(int i) {
while (true) {
System.out.printf("Введите скорость машины No%d: ", i + 1);
try {
int speed = scanner.nextInt();
scanner.nextLine();
if (speed > 0 && speed <= 250) {
return speed;
} else {
System.out.println("Неправильная скорость");
}
} catch (InputMismatchException e) {
System.out.println("Ошибка: введено не число");
scanner.nextLine();
}
}
}
}
}
17 changes: 17 additions & 0 deletions src/main/java/Race.java
View file Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@
public class Race {
private final Car[] cars;

Race(Car[] cars) {
this.cars = cars;
}

public Car findLeader() {
Car leader = cars[0];
for (Car car : cars) {
if (car.calculateDistance() > leader.calculateDistance()) {
leader = car;
}
}
return leader;
}
}

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