摘要: 今天写了 以点类Point及平面类Plane为基础设计圆类Circle package Plane; public class Point { double x; double y; Point()//无参构造 { x=0; y=0; System.out.println("Point Constr 阅读全文
posted @ 2020-11-25 10:56 禁小呆 阅读(77) 评论(0) 推荐(0)