Builder Pattern implemented in Java

Builder.java

import java.util.ArrayList;
import java.util.List;

interface Item {
    String name();
    Packing packing();
    int price();
}

interface Packing {
    String pack();
}

class Bottle implements Packing {

    @Override
    public String pack() {
        return "Bottle";
    }
}

class Wrapper implements Packing {

    @Override
    public String pack() {
        return "wrapper";
    }
}

abstract class Burger implements Item {
    @Override
    public Packing packing() {
        return new Wrapper();
    }
}

abstract class ColdDrink implements Item {
    @Override
    public Packing packing() {
        return new Bottle();
    }
}

class VegBurger extends Burger {

    @Override
    public String name() {
        return "Veg Burger";
    }

    @Override
    public int price() {
        return 15;
    }
}

class ChickenBurger extends Burger {
    @Override
    public String name() {
        return "Chicken Burger";
    }

    @Override
    public int price() {
        return 25;
    }
}

class Coke extends ColdDrink {

    @Override
    public String name() {
        return "Coke";
    }

    @Override
    public int price() {
        return 5;
    }
}

class Fanta extends ColdDrink {

    @Override
    public String name() {
        return "Fanta";
    }

    @Override
    public int price() {
        return 4;
    }
}

class Meal {
    private List<Item> items = new ArrayList<Item>();

    public void addItem(Item item){
        items.add(item);
    }

    public float getCost(){
        int cost = 0;

        for (Item item : items) {
            cost += item.price();
        }
        return cost;
    }

    public void showItems(){

        for (Item item : items) {
            System.out.print("Item : " + item.name());
            System.out.print(", Packing : " + item.packing().pack());
            System.out.println(", Price : " + item.price());
        }
    }
}

class MealBuilder {

    static Meal prepareVegmeal() {
        Meal vegMeal = new Meal();
        vegMeal.addItem(new VegBurger());
        vegMeal.addItem(new Fanta());
        return vegMeal;
    }

    static Meal prepareNonVegmeal() {
        Meal nonVegMeal = new Meal();
        nonVegMeal.addItem(new ChickenBurger());
        nonVegMeal.addItem(new Coke());
        return nonVegMeal;
    }

}
public class Main {

    public static void main(String[] args) {

        Meal nonVegMeal = MealBuilder.prepareNonVegmeal();
        nonVegMeal.showItems();

        Meal vegMeal = MealBuilder.prepareVegmeal();
        vegMeal.showItems();
    }
}