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написал калькулятор счета #1
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103 changes: 101 additions & 2 deletions
src/main/java/Main.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,105 @@ | ||
| import java.util.Scanner; | ||
| import java.util.ArrayList; | ||
| import java.util.Locale; | ||
|
|
||
| public class Main { | ||
| public static void main(String[] args) { | ||
| System.out.println("Hello world!"); | ||
| Calculator calculator = new Calculator(); | ||
| calculator.start(); | ||
| } | ||
| } | ||
| } | ||
| class Calculator{ | ||
| Scanner scanner = new Scanner(System.in).useLocale(Locale.US); | ||
| String rub; | ||
| public void start(){ | ||
| System.out.println("Добро пожаловать в калькулятор счета!"); | ||
| System.out.println("На скольких человек необходимо разделить счет?"); | ||
| while (true){ | ||
| System.out.println("Введите количество персон, больше одной..."); | ||
| if(scanner.hasNextInt()){ | ||
| int command = scanner.nextInt(); | ||
| if(command > 1){ | ||
| CalculatorScore(command); | ||
| break; | ||
| }else{ | ||
| System.out.println("Некоректное количество гостей!"); | ||
| scanner.nextLine(); | ||
| } | ||
| }else{ | ||
| System.out.println("Некоректное количество гостей!"); | ||
| scanner.next(); | ||
| } | ||
| } | ||
| } | ||
| public void CalculatorScore(int person){ | ||
| ArrayList<Product> productList = new ArrayList<>(); | ||
| double productSumm = 0; | ||
| while(true){ | ||
| System.out.println("Введите название товара..."); | ||
| scanner.nextLine(); | ||
| String product = scanner.nextLine(); | ||
| while (true){ | ||
| System.out.println("Введите стоимость товара в формате рубли.копейки..."); | ||
| if(scanner.hasNextDouble()){ | ||
| double cost = scanner.nextDouble(); | ||
| scanner.nextLine(); | ||
| if(cost > 0 ){ | ||
| Product newProduct = new Product(product, cost); | ||
| productList.add(newProduct); | ||
| productSumm = productSumm + newProduct.price; | ||
| rub = formatAmount(productSumm); | ||
| System.out.println("Товар " + newProduct.name + " успешно добавлен"); | ||
| System.out.printf("Общая стоимость товаров %.2f %s%n", productSumm, rub); | ||
| break; | ||
| }else{ | ||
| System.out.println("Введите неотрицательное число, больше нуля!!!"); | ||
| } | ||
| }else{ | ||
| System.out.println("Некоректное значение!"); | ||
| scanner.nextLine(); | ||
|
|
||
| } | ||
| } | ||
| System.out.println("Хотите добавить еще один товар?"); | ||
| String answer = scanner.next(); | ||
| if(answer.equalsIgnoreCase("Завершить")){ | ||
| System.out.println("Добавленные товары:"); | ||
| for (Product productItem : productList) { | ||
| System.out.println("Название: " + productItem.name + ", Стоимость: " + productItem.price + " " + (rub = formatAmount(productItem.price))); | ||
| } | ||
| productSumm = productSumm / person; | ||
| rub = formatAmount(productSumm); | ||
| System.out.printf("Сколько должен заплатить каждый человек:%n%.2f %s", productSumm, rub); | ||
| break; | ||
| } | ||
|
|
||
| } | ||
|
|
||
| } | ||
| public String formatAmount(Double summ){ | ||
| int formatedAmount = (int) Math.floor(summ); | ||
| String rub; | ||
|
|
||
| if((formatedAmount % 100 >= 11) && (formatedAmount % 100 <= 14)){ | ||
|
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. Можно через switch написать, будет удобнее читать |
||
| rub ="рублей"; | ||
| }else if((formatedAmount % 10) == 1) { | ||
| rub ="рубль"; | ||
| }else if((formatedAmount % 10 > 1) && (formatedAmount % 10 <= 4)) { | ||
| rub ="рубля"; | ||
| }else{ | ||
| rub ="рублей"; | ||
| } | ||
|
|
||
| return rub; | ||
| } | ||
| } | ||
|
|
||
| class Product { | ||
| public String name; | ||
| public double price; | ||
|
|
||
| public Product(String name, double price) { | ||
| this.name = name; | ||
| this.price = price; | ||
| } | ||
| } | ||
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