java小练笔
摘要:
class Square{ private double side; public void setSide(double a){ side= a; } public double getSide(){ return side; } public double setPerimeter(){ ret 阅读全文
posted @ 2020-04-28 21:49 DingFuWei 阅读(160) 评论(0) 推荐(0)
posted @ 2020-04-28 21:49 DingFuWei 阅读(160) 评论(0) 推荐(0)
posted @ 2020-04-28 20:41 DingFuWei 阅读(149) 评论(0) 推荐(0)