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Проект 1 #1
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| import java.util.ArrayList; | ||
| import java.util.Scanner; | ||
|
|
||
| public class Calculator { | ||
| ArrayList<Product> products = new ArrayList<Product>(); | ||
| Scanner scanner = new Scanner(System.in); | ||
| double sum = 0; | ||
| int persons = 0; | ||
|
|
||
| public void calculate() { | ||
| while (true) { | ||
| System.out.println("Введите название товара"); | ||
| String name = scanner.next(); | ||
| if (name.equalsIgnoreCase("завершить")) { | ||
| break; | ||
| } | ||
| System.out.println("Введите стоимость товара"); | ||
| double price; | ||
| try { | ||
| price = scanner.nextDouble(); | ||
| } catch (Exception e) { | ||
| System.out.println("Вы ввели неверную цену. Давайте попробуем еще"); | ||
| continue; | ||
| } | ||
| Product product = new Product(name, price); | ||
| products.add(product); | ||
| System.out.println("Товар успешно добавлен. Хотите добавить еще?"); | ||
| } | ||
| System.out.println("fin"); | ||
| this.computeSum(); | ||
| this.printResults(); | ||
| } | ||
|
|
||
| public void computeSum() { | ||
| for (Product product: this.products) { | ||
| this.sum += product.price; | ||
| } | ||
| } | ||
|
|
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| public double computePay() { | ||
| return this.sum / this.persons; | ||
| } | ||
|
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| public void printResults() { | ||
| System.out.println("Добавленные товары:"); | ||
| for (Product product: this.products) { | ||
| System.out.println(product.name + " " + product.price); | ||
| } | ||
| if (this.sum == 0) { | ||
| this.computeSum(); | ||
| } | ||
| double pay = this.computePay(); | ||
| String rub = "рублей"; | ||
| int last = (int)(Math.floor(pay)) % 10; | ||
| int decimal = (int)(Math.floor(pay) % 100); | ||
|
|
||
| if (last == 1 && decimal < 11 && decimal > 19 ) { | ||
| rub = "рубль"; | ||
| } | ||
| if (last >= 2 && last <= 4 && decimal < 11 && decimal > 19) { | ||
| rub = "рубля"; | ||
| } | ||
|
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||
| System.out.println("Каждый должен заплатить: " + String.format("%.2f",pay) + " " + rub); | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,8 +1,34 @@ | ||
| import java.util.Scanner; | ||
|
|
||
| // dev branch for Y.Practicum | ||
| public class Main { | ||
|
|
||
| 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"); | ||
| System.out.println("На сколько человек разделить счет?"); | ||
| Scanner scanner = new Scanner(System.in); | ||
| Calculator calc = new Calculator(); | ||
| while (true) { | ||
| int count = 0; | ||
| try { | ||
| count = scanner.nextInt(); | ||
| } catch (Exception e) { | ||
| System.out.println("Введите количество людей"); | ||
| scanner.nextLine(); | ||
| continue; | ||
| } | ||
|
|
||
| if (count == 1) { | ||
| System.out.println("Для одной персоны не нужно делить счет"); | ||
| continue; | ||
| } | ||
| if (count < 1) { | ||
| System.out.println("Некорректное число посетителей"); | ||
| continue; | ||
| } | ||
| // если попали сюда - было больше одного | ||
| calc.persons = count; | ||
| calc.calculate(); | ||
| break; | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| public class Product { | ||
| String name; | ||
| double price; | ||
|
|
||
| public Product(String name, double price) { | ||
| this.name = name; | ||
| this.price = price; | ||
| } | ||
| } |
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🍏 Вот здесь есть небольшая некорректность. Не влияет на результат работы, но стоит поправить