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первое домашнее задание #96
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96 changes: 96 additions & 0 deletions
src/main/java/Calculate.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,96 @@ | ||
| import java.util.ArrayList; | ||
| import java.util.LinkedList; | ||
| import java.util.List; | ||
| import java.util.Scanner; | ||
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| public class Calculate { | ||
| static String toComplete = "завершить"; | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. static можно убрать |
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| List<String> menuList = new LinkedList<>(); | ||
| List<Double> priceList = new ArrayList<>(); | ||
| String menu; | ||
| double price = 0; | ||
| double sum; | ||
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| public void product() { | ||
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| Scanner scanner = new Scanner(System.in); | ||
| while (true) { | ||
| System.out.println("Введите название товара : "); | ||
| menu = scanner.next(); | ||
| menuList.add(menu); | ||
| System.out.println("Введите цену товара в формате 'рубли.копейки' [10.45, 11.40] :"); | ||
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| while (!scanner.hasNextDouble()) { | ||
| System.out.println("Введите корректное значение :"); | ||
| scanner.next(); | ||
| } | ||
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| price = scanner.nextDouble(); | ||
| if (price > 0) { | ||
| priceList.add(price); | ||
| sum = sum + price; | ||
| System.out.println("Товар успешно добавлен! "); | ||
| } | ||
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| while (price <= 0) { | ||
| if (price <= 0) { | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. В while уже проверяется это условие, if можно убрать |
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| System.out.println("Ошибка цена не может быть отрицательной,ошибка введите цену заного"); | ||
| price = scanner.nextDouble(); | ||
| if (price > 0) { | ||
| priceList.add(price); | ||
| sum = sum + price; | ||
| System.out.println("Товар успешно добавлен! "); | ||
| break; | ||
| } | ||
| } | ||
| } | ||
| System.out.println("Если хотите продолжить введите - любой символ,если хотите остановиться введите 'завершить' "); | ||
| menu = scanner.next(); | ||
| if (menu.equalsIgnoreCase(toComplete)) { | ||
| break; | ||
| } | ||
| } | ||
| } | ||
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| public String GetRubleAddition(double num) { | ||
| int numToInt = (int) num; | ||
| double preLastDigit = num % 100 / 10; | ||
| if (preLastDigit == 1) { | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Из-за того, что переменная типа double, это условие сработает только для num = 10. Если бы была int, работало бы для 11-19 |
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| return "рублей"; | ||
| } | ||
| switch (numToInt % 10) { | ||
| case 1: | ||
| return "рубль"; | ||
| case 2: | ||
| case 3: | ||
| case 4: | ||
| return "рубля"; | ||
| default: | ||
| return "рублей"; | ||
| } | ||
| } | ||
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| public String GetHumanAdddition(int num) { | ||
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| double preLastDigit = num % 100 / 10; | ||
| if (preLastDigit == 1) { | ||
| return "Человек"; | ||
| } | ||
| switch (num % 10) { | ||
| case 1: | ||
| case 2: | ||
| case 3: | ||
| case 4: | ||
| return "Человека"; | ||
| default: | ||
| return "рублей"; | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Кажется, тут ошибка) |
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| } | ||
| } | ||
| } | ||
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49 changes: 47 additions & 2 deletions
src/main/java/Main.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,8 +1,53 @@ | ||
| import java.util.Scanner; | ||
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| public class Main { | ||
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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"); | ||
| // вы не должны ограничиваться только классом Main и можете создавать свои классы по необходимость | ||
| Scanner scanner = new Scanner(System.in); | ||
| System.out.println("На сколько человек нужно разделить счет ?"); | ||
| while (!scanner.hasNextInt()) { | ||
| System.out.println("Введите корректное значение :"); | ||
| scanner.next(); | ||
| } | ||
| int human = scanner.nextInt(); | ||
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| while (human <= 1) { | ||
| if (human < 1) { | ||
| System.out.println("Колличество человек " + human); | ||
| System.out.println("некоректное значение для подсчета.Введите колличество человек заного "); | ||
| human = scanner.nextInt(); | ||
| } | ||
| if (human == 1) { | ||
|
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Поскольку в while может быть только human <= 1, а human < 1 проверено в верхнем if, тут можно сделать просто else к нему |
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| System.out.println("Колличество человек " + human); | ||
| System.out.println("нет смысла ничего считать и делить.Введите колличество человек заного"); | ||
| human = scanner.nextInt(); | ||
| } | ||
| } | ||
| Calculate calculate = new Calculate(); | ||
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| calculate.product(); | ||
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| double check = calculate.sum / human; | ||
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| System.out.println("Счет нужно разделить на : " + human + " " + calculate.GetHumanAdddition(human)); | ||
| System.out.println("Список выбранных товаров: "); | ||
| for (String str : calculate.menuList) { | ||
| System.out.println(str); | ||
| } | ||
| System.out.println("Общая сумма заказа : " + String.format("%.2f", calculate.sum) + " " + calculate.GetRubleAddition(calculate.sum)); | ||
| System.out.println("Каждый должен заплатить :" + String.format("%.2f", +check) + " " + calculate.GetRubleAddition(check)); | ||
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| } | ||
| } | ||
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