装饰模式是属于什么模式



/ * 煎饼 */ public class Battercake { protected String getDesc(){ return "煎饼"; } protected int cost(){ return 8; } } / * 加蛋的煎饼 */ public class BattercakeWithEgg extends Battercake { @Override public String getDesc() { return super.getDesc()+" 加一个鸡蛋"; } @Override public int cost() { return super.cost()+1; } } / * 加蛋加香肠的煎饼 */ public class BattercakeWithEggSausage extends BattercakeWithEgg { @Override public String getDesc() { return super.getDesc()+ " 加一根香肠"; } @Override public int cost() { return super.cost()+2; } } public class Test { public static void main(String[] args) { Battercake battercake = new Battercake(); System.out.println(battercake.getDesc()+" 销售价格:"+battercake.cost()); Battercake battercakeWithEgg = new BattercakeWithEgg(); System.out.println(battercakeWithEgg.getDesc()+" 销售价格:"+battercakeWithEgg.cost()); Battercake battercakeWithEggSausage = new BattercakeWithEggSausage(); System.out.println(battercakeWithEggSausage.getDesc()+" 销售价格:"+battercakeWithEggSausage.cost()); } }

版权声明：

本文来源网络，所有图片文章版权属于原作者，如有侵权，联系删除。

本文网址：https://www.mushiming.com/mjsbk/2266.html