摘要: 一. import java.util.Scanner; public class vehicle { private double a,b; vehicle() { a=12.3;b=11.6; } vehicle(double m,double n){ a=m;b=n; } public dou 阅读全文
posted @ 2020-08-15 20:05 小强哥in 阅读(76) 评论(0) 推荐(0) 编辑