import java.util.ArrayList;

import java.util.Iterator;

public class ProductPrinter {

public void print(ArrayList<Product> list, double sum) {

System.out.println("Добавленные товары:");

Iterator<Product> iterator = list.iterator();

while (iterator.hasNext()) {

Product product = iterator.next();

System.out.println(product.name + " " + product.price);

}

System.out.println(String.format("Сумма на одного человека составляет: %.2f " + currencyFormat(sum), sum));

}

public String currencyFormat(double price) {

String ending;

int intPrice = (int) (price);

int remainderTen = (intPrice % 10);

int remainderHundred = (intPrice % 100);

if (remainderHundred >= 11 && remainderHundred <= 19) {

ending = "рублей";

} else {

switch (remainderTen) {

case 1:

ending = "рубль";

break;

case 2, 3, 4:

ending = "рубля";

break;

default:

ending = "рублей";

break;

}

}

return ending;

}

}