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import java.util.ArrayList; public class Calculator { ArrayList products = new ArrayList<>(); public void addProduct(String name, double coast) { products.add(new Product(name, coast)); System.out.println("Товар " + name + " успешно добавлен."); } private double totalCoast() { double totalCoast = 0; for (int i = 0; i < products.size(); i++) { totalCoast += products.get(i).coast; } return totalCoast; } public void showAllProducts() { if (!products.isEmpty()) { for (int i = 0; i < products.size(); i++) { System.out.println(products.get(i).name); } } else { System.out.println("Товаров нет в списке"); } } public double everyoneWillPay(int peopleCount) { double totalCoast = totalCoast(); if (totalCoast > 0) { return totalCoast / peopleCount; } else { return 0.0; } } }