diff --git a/src/main/java/Calculator.java b/src/main/java/Calculator.java
new file mode 100644
index 000000000..446c208a2
--- /dev/null
+++ b/src/main/java/Calculator.java
@@ -0,0 +1,56 @@
+public class Calculator {
+ private int peoples;
+ private double finalPrice;
+ private String allProductNames = "";
+
+ public void setPeoples(int peoples) {
+ this.peoples = peoples;
+ }
+
+ public String addProduct(Product product) {
+ finalPrice = finalPrice + product.productPrice;
+ if (allProductNames.isEmpty()) {
+ allProductNames = product.productName;
+ } else {
+ allProductNames = allProductNames + ", \n" + product.productName;
+ }
+
+ return String.format("Продукт %s по цене %.2f добавлен.", product.productName, product.productPrice);
+ }
+
+ public String getAllProductNames() {
+ return allProductNames;
+ }
+
+ public String getFinalPrice() {
+ return ("Итоговая общая цена: " + convertPriceToString(finalPrice));
+ }
+
+ public String getPriceForOnePeople() {
+ double priceForOnePeople = finalPrice / peoples;
+ return ("Каждый человек должен заплатить: " + convertPriceToString(priceForOnePeople));
+ }
+
+ private String convertPriceToString(double price) {
+ String stringPrice = String.format("%.2f", price);
+
+ price = Math.floor(price);
+ double remains = price % 100;
+
+ if (11 <= remains && remains <= 14) { + stringPrice = stringPrice + " рублей"; + } else { + remains = remains % 10; + if (remains == 1) { + stringPrice = stringPrice + " рубль"; + } + else if (2 <= remains && remains <= 4) { + stringPrice = stringPrice + " рубля"; + } else { + stringPrice = stringPrice + " рублей"; + } + } + + return stringPrice; + } +} diff --git a/src/main/java/Main.java b/src/main/java/Main.java index a9198c435..17e023944 100644 --- a/src/main/java/Main.java +++ b/src/main/java/Main.java @@ -1,8 +1,95 @@ +import java.util.Scanner; + public class Main { + static Scanner scanner; + static Calculator calculator; + static int peoples = 0; + static boolean isPeoplesSetCorrectly = true; + static boolean isProductPurchased = false; + static String stopProductPurchased = "Завершить"; + public static void main(String[] args) { + scanner = new Scanner(System.in); + // ваш код начнется здесь // вы не должны ограничиваться только классом Main и можете создавать свои классы по необходимости - System.out.println("Привет Мир"); + while (isPeoplesSetCorrectly) { + System.out.println("На сколько человек делим счет?"); + + try { + peoples = scanner.nextInt(); + + if (peoples == 1) { + showErrorMessage("Количество человек должно быть более 1."); + } + if (peoples < 1) { + showErrorMessage("Маловато будет. Это менее 1."); + } + if (peoples> 1) {
+ isPeoplesSetCorrectly = false;
+ isProductPurchased = true;
+ }
+
+
+ } catch (Exception e) {
+ showErrorMessage(e.getMessage());
+ }
+
+ }
+
+ calculator = new Calculator();
+ calculator.setPeoples(peoples);
+
+ while (isProductPurchased) {
+ System.out.println("Ведите название товара.");
+ String productName;
+ double productPrice;
+ productName = scanner.next();
+
+ boolean isPriceSetCorrectly = false;
+ while (!isPriceSetCorrectly) {
+
+ System.out.println("Введите цену товара в формате <рубли.копейки>.");
+ String stringProductPrice = scanner.next().trim();
+ if (stringProductPrice.contains(",")) {
+ stringProductPrice = stringProductPrice.replace(",", ".");
+ }
+
+ try {
+ productPrice = Double.parseDouble(stringProductPrice);
+ if (productPrice <= 0.0) { + showErrorMessage("Цена товара слишком мала. " + productPrice); + break; + } else { + Product product = new Product(productName, productPrice); + System.out.println(calculator.addProduct(product)); + isPriceSetCorrectly = true; + } + } catch (Exception e) { + System.out.println(e.getMessage()); + showErrorMessage("Цена должна быть указана в виде <xx.yy>." + e.getMessage());
+ }
+ }
+ System.out.println("Желаете добавить еще товар? Для завершения наберите <Завершить>.");
+
+ String buyerWantsBuy = scanner.next();
+ if (buyerWantsBuy.trim().equalsIgnoreCase(stopProductPurchased)) {
+ isProductPurchased = false;
+ }
+ }
+
+
+ System.out.println(calculator.getAllProductNames());
+ System.out.println(calculator.getFinalPrice());
+
+ System.out.println(calculator.getPriceForOnePeople());
+
 }
+
+
+ static void showErrorMessage(String errorString) {
+ System.out.println("Ошибка! " + errorString);
+ }
+
 }
diff --git a/src/main/java/Product.java b/src/main/java/Product.java
new file mode 100644
index 000000000..1a827c8ff
--- /dev/null
+++ b/src/main/java/Product.java
@@ -0,0 +1,9 @@
+public class Product {
+ String productName;
+ double productPrice;
+
+ public Product(String productName, double productPrice) {
+ this.productName = productName;
+ this.productPrice = productPrice;
+ }
+}
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