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Merged
Vizor777 merged 3 commits into from
May 14, 2024
Merged

Work проверка №2 #2

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3e92fc2
Осталось исправить обработку слова "Рубль".
Vizor777 May 12, 2024
8d89150
Правка №1.
May 13, 2024
fd9f8b8
Доработка проекта согласно некритическим замечаниям.
Vizor777 May 14, 2024
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52 changes: 52 additions & 0 deletions src/main/java/Calc.java
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@@ -0,0 +1,52 @@
import java.util.ArrayList;
import java.util.Locale;

public class Calc {
double sum = 0;
int visitors = 0;
ArrayList<Product> products = new ArrayList<>();

public void addProduct(Product product) {
products.add(product);
this.sum = product.price;
System.out.println("Товар успешно добавлен.\n");
}

public void getProductList() {
System.out.println("Добавлены товары: ");
for (Product product : products) {
System.out.println(product.name);
}
}

public void getTax(int quantityFinal) {
double count = 0;
double finalSum = 0;
for (Product product : products) {
count = count + product.price;
}
finalSum = count / quantityFinal;
String messageTemplate = "Сумма для каждого: %.2f %s";
System.out.printf(Locale.ROOT, (messageTemplate) + "%n", finalSum, getWord(finalSum));
}

private String getWord(double money) {
Double strNumber = Math.floor(money);
Integer integerNumber = strNumber.intValue();
int x = integerNumber % 10;
if (integerNumber % 100 >= 11 && integerNumber % 100 <= 14) {
return "рублей";
} else {
switch (x) {
case 1:
return "рубль";
case 2:
case 3:
case 4:
return "рубля";
default:
return "рублей";
}
}
}
}
142 changes: 48 additions & 94 deletions src/main/java/Main.java
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@@ -1,130 +1,84 @@
import java.util.ArrayList;
import java.util.Locale;
import java.util.Scanner;

public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int count = 0;

int quantityFinal = 0;
boolean result = false;
while (!result) {
System.out.println("На скольких человек необходимо разделить счёт?");
int quantity = scanner.nextInt();
if (quantity == 1 || quantity < 1) {
result = false;
System.out.println("Неверное количество человек");

} else result = true;
count = quantity;

System.out.println("На скольких человек необходимо разделить счёт?\n");
String quantity = scanner.nextLine();
quantity = quantity.trim();
boolean isInteger = quantity.matches("-?\\d+");
if (isInteger) {
quantityFinal = Integer.parseInt(quantity);
if (quantityFinal == 1 || quantityFinal < 1) {
System.out.println("Неверное количество человек.\n");
} else {
result = true;
}
} else System.out.println("Неверное количество человек, повторите ввод.\n");
}
if (count > 1) {
Calc calc = new Calc();

while (true) {
System.out.println("Введите название товара");
String name = scanner.next();
String checkPrice = null;
boolean status = true;

while (status) {
System.out.println("Введите стоимость товара");
checkPrice = scanner.next();
char[] charArray = checkPrice.toCharArray();
Calc calc = new Calc();

while (true) {
String name = null;
boolean chekName = false;
while (!chekName) {
System.out.println("Введите название товара.\n");
name = scanner.nextLine();
name = name.trim();
if (name.trim().isEmpty() || name.isBlank()) {
System.out.println("Неверное наименование товара, повторите ввод.\n");
} else chekName = true;
}
String checkPrice = null;
boolean status = true;
boolean onlyDigits = false;
while (status) {
System.out.println("Введите стоимость товара.\n");
checkPrice = scanner.nextLine();
checkPrice = checkPrice.trim();
onlyDigits = checkPrice.matches("^[0-9]*[.,]?[0-9]+$");
char[] charArray = checkPrice.toCharArray();
if (!checkPrice.isEmpty()) {
if (charArray[0] == ',' || charArray[0] == '.') {
System.out.println("Неверное значение стоимости товара, повторите ввод.");
} else {
for (int i = 1; i < charArray.length; i++) {
if (!Character.isDigit(charArray[i]) && charArray[i] != ',' && charArray[i] != '.') {
System.out.println("Неверное значение стоимости товара, повторите ввод.");
} else {
status = false;
}
}
System.out.println("Неверное значение стоимости товара, повторите ввод.\n");
} else if (onlyDigits) {
for (int a = 0; a < charArray.length; a++) {
if (charArray[a] == ',') {
charArray[a] = '.';
checkPrice = new String(charArray);
}
}
status = false;
} else {
System.out.println("Неверное значение стоимости товара, повторите ввод.\n");
}
} else {
System.out.println("Неверное значение стоимости товара, повторите ввод.\n");
}

}
if (onlyDigits) {
double price = Double.parseDouble(checkPrice);
Product product = new Product(name, price);
calc.addProduct(product);
System.out.println("Добавить еще один товар?");
String answer = scanner.next();
System.out.println("Добавить еще один товар?\n");
String answer = scanner.nextLine();
if (answer.equalsIgnoreCase("Завершить")) {
calc.getProductList();
calc.getTax();
calc.getTax(quantityFinal);
break;
} else if (!answer.equalsIgnoreCase("Завершить")) {

}

}
}

}


static class Calc {
double sum = 0;
int visitors = 0;
ArrayList<Product> products = new ArrayList<>();

private void addVisitors(int a) {
this.visitors = this.visitors + a;
}

private void addProduct(Product product) {
products.add(product);
this.sum = product.price;
System.out.println("Товар успешно добавлен");
}

private void getProductList() {
System.out.println("Добавлены товары: ");
for (Product product : products
) {
System.out.println(product.name);
}
}

private void getTax() {
double finalSum = 0;
for (Product product : products) {
finalSum = finalSum + product.price;
}
finalSum = finalSum / products.size();

String messageTemplate = "Каждый должен заплатить по: %.2f %s";
System.out.println(String.format(Locale.ROOT, messageTemplate, finalSum, getWord(finalSum)));
}

private String getWord(double pay) {
double strNumber = Math.floor(pay);
if (strNumber == 1) {
return "рубль";
} else if (strNumber > 1 && strNumber < 5) {
return "рубля";
} else if (strNumber > 4) {
return "рублей";
}
return null;
}
}


static class Product {
String name;
double price;

public Product(String name, double price) {
this.name = name;
this.price = price;
}
}
}
9 changes: 9 additions & 0 deletions src/main/java/Product.java
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class Product {
String name;
double price;

public Product(String name, double price) {
this.name = name;
this.price = price;
}
}