摘要: //1.定义抽象类 //2.定义接口实现 //3.定义工厂类 //4.特有属性 //5.测试 public abstract class Website { public abstract void use(User user); } public class User { private Stri 阅读全文
posted @ 2022-10-08 21:55 NIANER2011 阅读(12) 评论(0) 推荐(0) 编辑