Практика7.8

package com.company;

import java.util.Random;
import java.util.function.Supplier;

public class Main {

    public static class HeavyBox {
        public int weight;

        public HeavyBox(int weight) {
            this.weight = weight;
        }
    }

    public static void main(String[] args) {
        Supplier <Integer> Ref = () -> {
            Random random = new Random();
            HeavyBox Box = new HeavyBox(random.nextInt(1000));
            return Box.weight;
        };

        System.out.println("Коробка случайного размера " +Ref.get());
    }
}