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2 changes: 1 addition & 1 deletion README.md
Original file line number Diff line number Diff line change
@@ -1 +1 @@
# Пустой репозиторий для работы с Java кодом в Android Studio
# Этот репозиторий Машарова Егора.
31 changes: 31 additions & 0 deletions src/main/java/Car.java
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public 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 void setSpeed(int speed) {
this.speed = speed;
}

@Override
public String toString() {
return "Car{" +
"name='" + name + '\'' +
", speed=" + speed +
'}';
}
}

Empty file added src/main/java/InputHandler.java
Empty file.
111 changes: 110 additions & 1 deletion src/main/java/Main.java
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@@ -1,6 +1,115 @@
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Main {
private static Scanner scanner;

public static void main(String[] args) {
System.out.println("Hello world!");
scanner = new Scanner(System.in);
Race race = new Race();

while (true) {
int choice = getChoice();
switch (choice) {
case 1:
Car car = getCarFromInput();
race.addCar(car);
System.out.println("Автомобиль добавлен.");
break;
case 2:
List<Car> carList = getCarsFromInput();
race.addCars(carList);
System.out.println("Автомобили добавлены.");
break;
case 3:
Car leader = race.getLeader();
if (leader != null) {
System.out.println("Текущий лидер: " + leader);
} else {
System.out.println("Еще нет автомобилей в гонке.");
}
break;
case 0:
System.out.println("Выход из программы.");
scanner.close();
return;
default:
System.out.println("Неверный выбор. Попробуйте еще раз.");
}
}
}

private static Car getCarFromInput() {
String carName;
int carSpeed;
System.out.print("Введите название автомобиля: ");
carName = scanner.nextLine();

while (true) {
System.out.print("Введите скорость автомобиля (0-250): ");
if (scanner.hasNextInt()) {
carSpeed = scanner.nextInt();
scanner.nextLine(); // Consume the newline
if (carSpeed >= 0 && carSpeed <= 250) {
break; // Correct speed, exit loop
} else {
System.out.println("Неправильная скорость. Пожалуйста, введите значение от 0 до 250.");
}
} else {
System.out.println("Неверный ввод. Пожалуйста, введите целое число.");
scanner.next(); // Consume the invalid input
}
}
return new Car(carName, carSpeed);
}

private static List<Car> getCarsFromInput() {
List<Car> carList = new ArrayList<>();
System.out.print("Введите количество автомобилей для добавления: ");
int numberOfCars;
while (true) {
if(scanner.hasNextInt()) {
numberOfCars = scanner.nextInt();
scanner.nextLine();
if(numberOfCars > 0) {
break;
} else {
System.out.println("Неправильный ввод. Пожалуйста, введите число больше 0");
}
} else {
System.out.println("Неверный ввод. Пожалуйста, введите целое число.");
scanner.next(); // Consume the invalid input
}
}
for(int i = 0; i < numberOfCars; i++) {
carList.add(getCarFromInput());
}
return carList;

}

private static int getChoice() {
int choice;
while (true) {
System.out.println("\nВыберите действие:");
System.out.println("1. Добавить автомобиль");
System.out.println("2. Добавить список автомобилей");
System.out.println("3. Показать текущего лидера");
System.out.println("0. Выход");

System.out.print("Ваш выбор: ");

if(scanner.hasNextInt()) {
choice = scanner.nextInt();
scanner.nextLine(); // Consume the newline
break;
} else {
System.out.println("Неверный ввод. Пожалуйста, введите целое число.");
scanner.next(); // Consume the invalid input
}

}
return choice;
}
}
43 changes: 43 additions & 0 deletions src/main/java/Race.java
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@@ -0,0 +1,43 @@
import java.util.ArrayList;
import java.util.List;
public class Race {
private List<Car> cars;
private Car leader;

public Race() {
this.cars = new ArrayList<>();
this.leader = null;
}

public void addCar(Car car) {
cars.add(car);
updateLeader();
}

public void addCars(List<Car> carList) {
this.cars.addAll(carList);
updateLeader();
}

private void updateLeader() {
if (cars.isEmpty()) {
leader = null;
return;
}
Car currentLeader = cars.get(0);
for (Car car : cars) {
if (car.getSpeed() > currentLeader.getSpeed()) {
currentLeader = car;
}
}
leader = currentLeader;
}

public Car getLeader() {
return leader;
}

public List<Car> getCars() {
return cars;
}
}