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Homework #1 #1

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2 changes: 1 addition & 1 deletion settings.gradle
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Original file line number Diff line number Diff line change
Expand Up @@ -12,4 +12,4 @@ dependencyResolutionManagement {
mavenCentral()
}
}
rootProject.name = "BillCalculator"
rootProject.name = "Java-Module-Project"
22 changes: 0 additions & 22 deletions src/main/java/Calculator.java
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This file was deleted.

17 changes: 0 additions & 17 deletions src/main/java/Formatter.java
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This file was deleted.

10 changes: 0 additions & 10 deletions src/main/java/Item.java
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This file was deleted.

50 changes: 8 additions & 42 deletions src/main/java/Main.java
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Original file line number Diff line number Diff line change
@@ -1,49 +1,15 @@
import java.util.Scanner;
import constructor.Race;
import constructor.CarConstructor;

public class Main {

public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);

int friendCount;
while (true) {
System.out.println("На сколько человек необходимо разделить счет?");
friendCount = scanner.nextInt();

if (friendCount > 1) {
break;
} else if (friendCount == 1) {
System.out.println(
"Нет смысла делить сумму на одного человека. Давайте попробуем ввести другое значение, которое будет больше единицы.");
} else {
System.out.println("Неверное количество друзей. Значение должно быть болье единицы, давайте попробуем еще раз.");
}
}

Calculator calculator = new Calculator(friendCount);

while (true) {
System.out.println("Введите название товара");
String name = scanner.next();

System.out.println("Введите стоимость товара в формате: 'рубли.копейки' [10.45, 11.40]");
double price = scanner.nextDouble();

calculator.addItem(new Item(name, price));

System.out.println(
"Хотите добавить еще один товар? Введите любой символ для продолжения, либо 'Завершить' если больше нет товаров для добавления");
String answer = scanner.next();

if (answer.equalsIgnoreCase("Завершить")) {
break;
}
CarConstructor constructor = new CarConstructor();
Race race = new Race(constructor);
while (constructor.carsSize() < 3) {
race.prepare();
}

double result = calculator.divideSum();
Formatter formatter = new Formatter();

System.out.println(calculator.cart);
System.out.println("Каждому человеку к оплате: " + formatter.roundResult(result) + " " + formatter.formatValue(result));
race.getFasterCar();
}

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

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