src/ShippingList.java - master - shuchkin/NETOLOGY-HW_HASH

src/ShippingList.java

19 строк518 B

Sergey Shuchkin

0.1

20 дек 2025, 14:00

20 дек 2025, 14:001a07012

import java.util.ArrayList;
import java.util.HashSet;

public class ShippingList extends ArrayList<Shipping> {
    public int getTotal() {
        int total = 0;
        for (Shipping shipping : this) {
            total += shipping.getTotal();
        }
        return total;
    }
    public HashSet<String> getUniqCountries() {
        HashSet<String> result = new HashSet<>();
        for (Shipping shipping : this) {
            result.add(shipping.address.getCountry());
        }
        return result;
    }
}