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Finish HW #151

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Finish HW
KorolkovN Nov 14, 2023
5e3808f
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KorolkovN Nov 18, 2023
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KorolkovN Jan 4, 2024
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6 changes: 0 additions & 6 deletions src/main/java/Main.java
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1 change: 1 addition & 0 deletions src/main/java/org/example/Main.java
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package org.example;import java.util.Scanner;public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int persons = getNumberOfPersons(scanner); ItemManager itemManager = new ItemManager(); itemManager.takeUserInput(scanner); System.out.println("Добавленные товары:\n" + itemManager.getItemsList()); double totalCost = itemManager.calculateTotalCost(persons); String russianEnding = itemManager.getRussianEnding(persons); System.out.printf("Общая стоимость для %d человек: %.2f руб%s\n", persons, totalCost, russianEnding); scanner.close(); } private static int getNumberOfPersons(Scanner scanner) { int persons = 0; while (persons <= 1) { System.out.println("На скольких человек необходимо разделить счёт?"); if (scanner.hasNextInt()) { persons = scanner.nextInt(); scanner.nextLine(); if (persons <= 1) { System.out.println("Некорректный ввод. Попробуйте ещё раз."); } } else { System.out.println("Некорректный ввод. Введите целое число."); scanner.next(); } } return persons; }}class ItemManager { private double totalCost; private StringBuilder itemsList; public ItemManager() { totalCost = 0; itemsList = new StringBuilder(); } public void takeUserInput(Scanner scanner) { String userInput = ""; do { System.out.println("Введите название товара:"); String nameEat = scanner.nextLine(); System.out.println("Введите стоимость товара:"); if (scanner.hasNextDouble()) { double costEat = scanner.nextDouble(); scanner.nextLine(); if (costEat < 0) { System.out.println("Некорректный ввод. Стоимость не может быть отрицательной."); continue; } totalCost += costEat; itemsList.append("Товар ").append(nameEat).append(" стоимостью ").append(costEat).append(" добавлен!\n"); System.out.println("Хотите добавить еще товар? (Введите 'Завершить' для завершения, или что-нибудь для продолжения)"); userInput = scanner.nextLine().toLowerCase(); } else { System.out.println("Некорректный ввод. Введите стоимость в правильном формате."); scanner.nextLine(); } } while (!userInput.equals("завершить")); } public String getItemsList() { return itemsList.toString(); } public double calculateTotalCost(int persons) { return totalCost / persons; } public String getRussianEnding(int persons) { int remainder10 = persons % 10; int remainder100 = persons % 100; if (remainder10 == 1 && remainder100 != 11) { return "ль"; } else { return "лей"; } }}
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