public class Calculator { int users; double totalCost = 0.00; String listOfProducts = ""; Calculator(int users) { this.users = users; } void addProduct(Product product) { totalCost += product.costOfProduct; // формируем список продуктов заранее Formatter formatter = new Formatter(); listOfProducts = listOfProducts + "\n" + product.nameOfProduct + " - " + formatter.roundingTheDouble(product.costOfProduct) + formatter.displayCurrency(product.costOfProduct); System.out.println("Товар успешно добавлен."); } void displayProducts() { System.out.println("Добавленнные товары:" + listOfProducts); } double calculateScoreForEachPerson() { return totalCost / users; } }