StarbuzzCoffee.java

package decorator;

import decorator.impl.Mocha;
import decorator.impl.Soy;
import decorator.impl.Whip;

/**
 * Created by http://teachcourse.cn on 2018/03/22.
 */
public class StarbuzzCoffee {
	public static void main(String[] args) {
		Beverage beverage = new Espresso();
		System.out.println(beverage.getDescription() + " $" + beverage.cost());

		Beverage beverage2 = new DarkRoast();
		beverage2 = new Mocha(beverage2);
		beverage2 = new Mocha(beverage2);
		beverage2 = new Whip(beverage2);
		System.out
				.println(beverage2.getDescription() + " $" + beverage2.cost());

		Beverage beverage3 = new HouseBlend();
		beverage3 = new Soy(beverage3);
		beverage3 = new Mocha(beverage3);
		beverage3 = new Whip(beverage3);
		System.out
				.println(beverage3.getDescription() + " $" + beverage3.cost());
	}
}