摘要: 例 9.2双构造函数 1 public class cjava { 2 public static void main(String[] args) { 3 Box b1=new Box(); 4 System.out.println("The volume of box1 is "+b1.volu 阅读全文
posted @ 2020-08-24 21:17 敲敲代代码码 阅读(163) 评论(0) 推荐(0)