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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| import java.util.Scanner; | ||
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| public class Calculator { | ||
| String products; | ||
| double costOfGoods; | ||
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| public Calculator() { | ||
| products = ""; | ||
| costOfGoods = 0.0; | ||
| } | ||
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| public void addProduct() { | ||
| while (true) { | ||
| Scanner scanner = new Scanner(System.in); | ||
| System.out.println("Введите название товара:"); | ||
| String product = scanner.nextLine(); | ||
| if (product.equalsIgnoreCase("Завершить")) { | ||
| break; | ||
| } | ||
| products = products + product + "\n"; | ||
| System.out.println("Введите цену в формате: 'рубли.копейки' [10,45, 11,40]"); | ||
| double cost = addCost(); | ||
| costOfGoods += cost; | ||
| System.out.println("Товар успешно добавлен. \n Хотите добавить ещё товар? Если нет, до введите: \"Завершить.\""); | ||
| } | ||
| } | ||
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| public double addCost() { | ||
| while (true) { | ||
| Scanner scanner = new Scanner(System.in); | ||
| if (scanner.hasNextDouble()) { | ||
| double cost = scanner.nextDouble(); | ||
| if (cost >= 0) { | ||
| return cost; | ||
| } else { | ||
| System.out.println("Некорректиный ввод. Цена должна быть > 0. Попробуйте еще раз:"); | ||
| } | ||
| } else { | ||
| System.out.println("Некорректиный ввод. Введите цену в формате: 'рубли.копейки' [10,45, 11,40]:"); | ||
| } | ||
| } | ||
| } | ||
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| public static String rubleFormat(double cost) { | ||
| if ((int) cost % 100 / 10 == 1) { | ||
| return "рублей"; | ||
| } | ||
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| switch ((int) cost % 10) { | ||
| case 1: | ||
| return "рубль"; | ||
| case 2: | ||
| case 3: | ||
| case 4: | ||
| return "рубля"; | ||
| default: | ||
| return "рублей"; | ||
| } | ||
| } | ||
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| public void addOutput(int friends) { | ||
| System.out.println("Добавленные товары: \n" + products); | ||
| System.out.printf("Сумма, которую должен заплатить каждый человек: %.2f %s \n ", costOfGoods / friends, rubleFormat(costOfGoods / friends)); | ||
| System.out.printf("Общий счет: %.2f %s \n ", costOfGoods, rubleFormat(costOfGoods)); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,8 +1,32 @@ | ||
| import java.util.Scanner; | ||
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| public class Main { | ||
| private static final Scanner scanner = new Scanner(System.in); | ||
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| 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"); | ||
| int friends = numberOfPersons(); | ||
| } | ||
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| static int numberOfPersons() { | ||
| Calculator calculator = new Calculator(); | ||
| System.out.println("На скольких человек необходимо разделить счёт:"); | ||
| int friends = 0; | ||
| while (true) { | ||
| if (scanner.hasNextInt()) { | ||
| friends = scanner.nextInt(); | ||
| } else { | ||
| scanner.next(); | ||
| } | ||
| if (friends > 1) { | ||
| System.out.println("Делим счет на " + friends + "х"); | ||
| calculator.addProduct(); | ||
| calculator.addOutput(friends); | ||
| break; | ||
| } else if (friends == 1) { | ||
| System.out.println("Это некорректное значение для подсчёта. Нужно больше 1:"); | ||
| } else | ||
| System.out.println("Это некорректное значение . Нужно больше число:"); | ||
| } | ||
| return friends; | ||
| } | ||
| } | ||
| } | ||
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Студия подсказывает, что friends не используется. Можно из метода numberOfPersons вынести код
в функцию main, тогда будет логичнее