摘要: package QianFeng02; //多态 public class Polymorphic { public static void main(String[] args){ // HomeCh homeCh=new HomeCh("家鸡1");//一般实例化 Chickens homeCh=new HomeCh("家鸡1");//Chickens是... 阅读全文
posted @ 2019-07-16 11:20 三只坚果 阅读(650) 评论(0) 推荐(0) 编辑