HomeWork #1 #157

Original file line number	Diff line number	Diff line change
		@@ -1,8 +1,15 @@
	import constructor.Race;
	import constructor.CarConstructor;

		public class Main {

		public static void main(String[] args) {
	// ваш код начнется здесь
	// вы не должны ограничиваться только классом Main и можете создавать свои классы по необходимости
	System.out.println("Привет Мир");
	CarConstructor constructor = new CarConstructor();
	Race race = new Race(constructor);
	while (constructor.carsSize() < 3) {
	race.prepare();
	}
	race.getFasterCar();
		}

		}

30 changes: 30 additions & 0 deletions src/main/java/constructor/CarConstructor.java

Show comments View file Open in desktop

Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,30 @@
	package constructor;

	import java.util.Collections;
	import java.util.HashSet;
	import java.util.Set;

	import models.Car;

	public class CarConstructor {

	private final Set<Car> cars = new HashSet<>();

	public boolean addCar(String name, int speed) {
	Car newCar = new Car(name, speed);
	if (cars.stream().anyMatch(car -> car.name.equals(name))) {
	System.out.println("Автомобиль с именем '" + name + "' уже существует.");
	return false;
	}
	return cars.add(newCar);

	}

	public int carsSize() {
	return cars.size();
	}

	public Set<Car> getCars() {
	return Collections.unmodifiableSet(cars);
	}
	}

62 changes: 62 additions & 0 deletions src/main/java/constructor/Race.java

Show comments View file Open in desktop

Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,62 @@
	package constructor;

	import java.util.Scanner;

	import models.Car;

	public class Race {
	private static final int MAX_SPEED = 250;
	private static final int MIN_SPEED = 0;
	private static final int HOURS_IN_DAY = 24;

	private final CarConstructor constructor;
	private final Scanner scanner;

	public Race(CarConstructor constructor) {
	this.constructor = constructor;
	this.scanner = new Scanner(System.in);
	}

	public void prepare() {
	String name = carName();
	int speed = carSpeed();
	constructor.addCar(name, speed);
	}

	private String carName() {
	System.out.println(formatMessage("- Введите название машины No%d"));
	return scanner.next();
	}

	private int carSpeed() {
	while (true) {
	System.out.println(formatMessage("- Введите скорость машины No%d"));
	try {
	int speed = Integer.parseInt(scanner.next());
	if (speed >= MIN_SPEED && speed <= MAX_SPEED) {
	return speed;
	} else {
	System.out.println("- Неправильная скорость.");
	}
	} catch (NumberFormatException e) {
	System.out.println("- Пожалуйста, введите целое число.");
	}
	}
	}

	private String formatMessage(String message) {
	return String.format(message, constructor.carsSize() + 1);
	}

	public void getFasterCar() {
	Car fasterCar = constructor.getCars().stream()
	.max((c1, c2) -> Integer.compare(c1.speed * HOURS_IN_DAY, c2.speed * HOURS_IN_DAY))
	.orElse(null);

	if (fasterCar != null) {
	System.out.printf("- Самая быстрая машина: %s%n", fasterCar.name);
	} else {
	System.out.println("- Нет машин в списке.");
	}
	}
	}

11 changes: 11 additions & 0 deletions src/main/java/models/Car.java

Show comments View file Open in desktop

Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,11 @@
	package models;

	public class Car {
	public String name;
	public int speed;

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

Navigation Menu

Search code, repositories, users, issues, pull requests...

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

HomeWork #1 #157

Are you sure you want to change the base?

Uh oh!

HomeWork #1 #157

Filter by extension

Uh oh!

Uh oh!

Diff view

Diff view

There are no files selected for viewing