public class Bag

import java.util.Iterator;
import java.util.Random;

public class Bag extends Container {

    public Bag(String name, double weight, double capacity) {
        super(name, weight, capacity);
    }

    public Bag(String name, double weight, String properties, double capacity) {
        super(name, weight, properties, capacity);
    }

    @Override
    public Item takeItem() throws ItemStoreException {
        try {
            Random rnd = new Random();
            int takableItem = rnd.nextInt(content.size());
            this.setCurrentWeight(this.getCurrentWeight() - content.get(takableItem).getWeight());
            Item buffer = content.get(takableItem);
            System.out.println("Предмет " + buffer.getName() + " удален из контейнера " + this.getName());
            content.remove(takableItem);
            return buffer;
        } catch (NullPointerException e) {
            e.getMessage();
        }
        throw new EmptyBagException();
    }

    public Item found(String name) throws ItemStoreException {
        Iterator<Item> iterator = content.iterator();
        while (iterator.hasNext()) {
            Item i = iterator.next();
            if (i.getName().equals(name)) {
                System.out.println("Предмет " + name + " найден");
                return i;
            }
        }
        System.out.println("Предмета " + name + " нет в мешке");
        throw new NotFoundItemException();
    }

    public static void main(String[] args) {
        try {
            Bag bag = new Bag("Сумка", 0.1, 10);
            bag.put(new Item("предмет1", 4));
            bag.put(new Item("предмет2", 1));
            bag.printContainerInfo();
            Item takeItem = bag.takeItem();
            bag.printContainerInfo();
            Item foundItem = bag.found("предмет2");
        } catch (ItemStoreException e) {
            e.getMessage();
        }
    }
}