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Спринт 2. Проектная работа №1. #1

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Спринт 2. Проектная работа №1. #1

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40 changes: 40 additions & 0 deletions src/main/java/Calculator.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,40 @@
import java.util.Scanner;

public class Calculator {

public String getAllItemsList(String allItemsList, String name, double price) {
Item item = new Item(name, price);
allItemsList += item.toString();

return allItemsList;

}

public String addName() {
Scanner scanner = new Scanner(System.in);
System.out.print("Введите наименование товара: ");
return scanner.nextLine();
}

public double addPrice() {
Scanner scanner = new Scanner(System.in);
Double price;

System.out.print("Введите стоимость товара в формате рубли.копейки: ");
if (scanner.hasNextDouble()) {
price = scanner.nextDouble();
scanner.nextLine();

if (price < 0) {
System.out.println("Ошибка! Стоимость товара не может быть отрицательной.");
price = addPrice();
}
} else {
System.out.println("Ошибка! Некорректно введена цена товара (введите цену в " +
"формате \"рубли.копейки\"");
scanner.nextLine();
price = addPrice();
}
return price;
}
}
24 changes: 24 additions & 0 deletions src/main/java/Formatter.java
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public class Formatter {

public String formatRub(double price) {
double roundedPrice = Math.floor(price) % 10;
double roundedPrice2 = Math.floor(price) % 100;

String wording;
if (roundedPrice2 == 11 || roundedPrice2 == 12 || roundedPrice2 == 13 ||

@Charmandik Charmandik Jul 29, 2023

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здесь лучше использовать switch/case

roundedPrice2 == 14) {
wording = roundPrice(price) + " рублей.\n";
} else if (roundedPrice == 1) {
wording = roundPrice(price) + " рубль.\n";
} else if (roundedPrice < 5 && roundedPrice > 1) {
wording = roundPrice(price) + " рубля.\n";
} else {
wording = roundPrice(price) + " рублей.\n";
}
return wording;
}

private String roundPrice(double price) {
return String.format("%.2f", price);
}
}
23 changes: 23 additions & 0 deletions src/main/java/Item.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,23 @@
public class Item {
private String name;
private double price;

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

public String getName() {
return name;
}

public double getPrice() {
return price;
}

@Override
public String toString() {
Formatter formatting = new Formatter();
return name + ": " + formatting.formatRub(price);
}
}
54 changes: 53 additions & 1 deletion src/main/java/Main.java
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Original file line number Diff line number Diff line change
@@ -1,6 +1,58 @@
import android.security.keystore.StrongBoxUnavailableException;

import java.util.Scanner;

public class Main {
public static void main(String[] args) {
System.out.println("Hello world!");

Scanner scanner = new Scanner(System.in);
int num;

while (true) {
System.out.print("Укажите на скольких человек необходимо разделить счёт: ");
if (scanner.hasNextInt()) {
num = scanner.nextInt();
if (num == 1) {
System.out.println("Ошибка! Количество человек = 1. Расчёт не имеет смысла. " +
"Введите количество человек заново.");
} else if (num < 1) {
System.out.println("Ошибка! Количество челвовек должно быть больше 1." +
"Введите количество человек заново.");
} else {
scanner.nextLine();
break;
}
} else {
System.out.println("Ошибка! Количество человек должно быть натуральным числом.");
scanner.nextLine();
}
}

String allItemsList = "";
double totalPrice = 0;


while (true) {
Calculator calculator = new Calculator();
String name = calculator.addName();
double price = calculator.addPrice();

totalPrice += price;
allItemsList = calculator.getAllItemsList(allItemsList, name, price);

System.out.println("Товар успешно добавлен в калькулятор!" +
" Хотите добавить еще один товар? Если да, то введите любой символ, " +
"если нет - введите команду \"Завершить\".");

if (scanner.nextLine().equalsIgnoreCase("Завершить")) {
break;
}
}
scanner.close();

System.out.println("Добавленные товары:\n" + allItemsList);

Formatter formatting = new Formatter();
System.out.println("Cумма к оплате: " + formatting.formatRub(totalPrice / num));
}
}