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
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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
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