import java.util.HashMap;
import java.util.Map;
public class Calculator {
private Map products;
public Calculator() {
this.products = new HashMap<>();
}
public void addProduct(String name, double price) {
products.put(name, price);
}
public Map getProducts() {
return products;
}
public double calculateTotalCost() {
return products.values().stream().mapToDouble(Double::doubleValue).sum();
}
public double calculateCostPerPerson(int numberOfPeople) {
return calculateTotalCost() / numberOfPeople;
}
}