摘要: class Animal { public void move() { System.out.println("动物可以移动"); }} class Dog extends Demo { public void move() { System.out.println("狗可以跑和走"); } pub 阅读全文
posted @ 2018-09-17 17:39 ThisCall 阅读(474) 评论(0) 推荐(0)
摘要: public class Demo { public static void main(String[] args) { // TODO Auto-generated method stub double[] mylist = {1.9, 2.9, 3.4, 3.5};// System.out.p 阅读全文
posted @ 2018-09-17 12:02 ThisCall 阅读(11982) 评论(0) 推荐(0)