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проектная работа 1 #1

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3268667
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Myp3uK33 Jul 6, 2023
4043e2b
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Myp3uK33 Jul 9, 2023
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50 changes: 50 additions & 0 deletions src/main/java/Calculator.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,50 @@
import java.util.Scanner;

public class Calculator {
double sum = 0;
String name = "";
int quantity;
Scanner scanner = new Scanner(System.in);
public int quantityOfGuest(){
System.out.println("Введите количество людей для разделения счета: ");
while (true) {
if (scanner.hasNextInt()) {
quantity = scanner.nextInt();
if (quantity<=1){
System.out.println("Введено отрицательное значение или 1.Повторите ввод.");
}else {
return quantity;
}
} else {
System.out.println("Введено не корректное значение.Повторите ввод.");
}
scanner.nextLine();
}
}
public void cheque(String name, double cost) {
if (cost < 1) {
System.out.println("Товар не добавлен.\nТовар не может быть бесплатным.Повторите ввод.");
} else {
sum += cost;
this.name = this.name + name + "\n";
System.out.println("Товар успешно добавлен.");
}
}
public void finalAccount(int quantity){
System.out.println("Добавленные товары: \n" + name );
sum = sum / quantity;
System.out.println("Каждый человек должен : \n" + String.format("%.2f",sum) + price());
}
public String price(){
if ((int)(sum % 100 / 10) == 1){
return " рублей.";
}
if ((int) (sum % 10) == 1){
return " рубль.";
} else if ((int) (sum % 10) >= 2 && (int) (sum % 10) <= 4){
return " рубля.";
} else {
return " рублей.";
}
}
}
28 changes: 26 additions & 2 deletions src/main/java/Main.java
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Original file line number Diff line number Diff line change
@@ -1,6 +1,30 @@

import java.util.Scanner;
public class Main {

public static void main(String[] args) {
System.out.println("Hello world!");
Scanner scanner = new Scanner(System.in);
Calculator calculator = new Calculator();
int quantity ;
quantity = calculator.quantityOfGuest();

while (true) {
System.out.println("Введите название товара.");
String name = scanner.nextLine();
System.out.println("Введите цену товара в формате: \"рубли,копейки\" [10,45]");
if (scanner.hasNextDouble()) {
double cost = scanner.nextDouble();
calculator.cheque(name, cost);
System.out.println("Хотите добавить еще товар? \n" +
"(Если да,поставте любой символ ,если нет,напишите \"Завершить\". )");
} else {
System.out.println("Некорректная цена.Повторите ввод.");
}
String answer = scanner.next();
if (answer.equalsIgnoreCase("завершить")) {
calculator.finalAccount(quantity);
break;
}
scanner.nextLine();
}
}
}