摘要: 1 今天写了Cylinder类 题目要求: 程序源代码: package Plane; public class Cylinder extends Circle{ double height; Cylinder(){super(0,0,0);height=0;} Cylinder(double xx 阅读全文
posted @ 2020-07-19 17:20 我试试这个昵称好使不 阅读(111) 评论(0) 推荐(0)