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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
# Консольное приложение, которое считывает товары и их стоимость. А затем делит общую сумму на указанное количество людей
28 changes: 28 additions & 0 deletions src/main/java/Calculator.java
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import java.util.ArrayList;
import java.util.InputMismatchException;
import java.util.Scanner;

public class Calculator {

public void addCostToTheOrder(Scanner scanner,ArrayList<Position> listOfOrder, String positionName) {
System.out.println("Укажите стоимость товара");

while (true) {
try {
double cost = scanner.nextDouble();

if (cost < 0) {
System.out.println("Цена не может быть отрицательной! Попробуйте еще раз");
continue;
}
listOfOrder.add(new Position(cost, positionName));
System.out.println("Товар " + positionName + " стоимостью " + cost + " добавлен в калькулятор. Нужно ли добавить еще? Если нет, введите Завершить");
break;
} catch (InputMismatchException e) {
System.out.println("Стоимость должна быть в формате рубли.копейки, например 10.45 или 11.40. Попробуйте еще");
scanner.next();
}
}
}
}

49 changes: 48 additions & 1 deletion src/main/java/Main.java
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@@ -1,6 +1,53 @@
import java.util.ArrayList;
import java.util.InputMismatchException;
import java.util.Scanner;

public class Main {
public static void main(String[] args) {
System.out.println("Hello world!");
Scanner scanner = new Scanner(System.in);
ArrayList<Position> listOfOrders = new ArrayList();
Calculator calculator = new Calculator();
RubleFormatter formatter = new RubleFormatter();

while (true) {
System.out.println("На сколько человек будем делить счет?");
try {
int guestCount = scanner.nextInt();
if (guestCount == 1)
System.out.println("Нет необходимости делить счет для одного гостя. Попробуйте еще раз.");
else if (guestCount < 1)
System.out.println("Количество гостей должно быть больше 1. Попробуйте еще раз.");
else {
System.out.println("Количество гостей получено");

while (true) {
System.out.println("Введите товар");
String positionName = scanner.next();
if (positionName.equalsIgnoreCase("Завершить")) {
double totalCost = 0.0;
ArrayList<String> totalName = new ArrayList<>();

for (Position position : listOfOrders) {
totalCost += position.cost;
totalName.add(position.name);
}

double payment = totalCost / guestCount;

System.out.println("Общая сумма в заказе: " + totalCost);
System.out.println("Добавленные товары: \n" + String.join(System.lineSeparator(), totalName));
System.out.println("Каждый человек должен заплатить по " + formatter.formatterPayment(payment) + " " + formatter.rubleFormatter(payment));
break;
}

calculator.addCostToTheOrder(scanner, listOfOrders, positionName);
}
break;
}
} catch (InputMismatchException e) {
System.out.println("Нужно ввести число!");
scanner.next();
}
}
}
}
10 changes: 10 additions & 0 deletions src/main/java/Position.java
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public class Position {
double cost;
String name;

public Position(double cost, String name) {
this.cost = cost;
this.name = name;
}

}
21 changes: 21 additions & 0 deletions src/main/java/RubleFormatter.java
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public class RubleFormatter {

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Здорово, что форматтер вынесен в отдельный класс, молодец!

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спасибо ;)

public String formatterPayment(double payment) {
return String.format("%.2f", payment);
}

public String rubleFormatter(double payment) {
int intPayment = (int) payment;
int twoLastNumbers = intPayment % 100;
int lastNumber = intPayment % 10;

if (twoLastNumbers >= 11 && twoLastNumbers <= 14) {
return "рублей";
}

return switch (lastNumber) {
case 1 -> "рубль";
case 2, 3, 4 -> "рубля";
default -> "рублей";
};
}
}