摘要: #include<iostream>#define PI 3.14using namespace std;class Shape{ public: Shape(){ cout<<"shape构造"<<endl; } virtual double getArea()=0; virtual double 阅读全文
posted @ 2023-04-21 20:24 不会JAVA的小袁 阅读(15) 评论(0) 推荐(0)
摘要: #include<iostream>using namespace std;class Point{ public: Point(){ x=0; y=0; } Point(float x1,float y1){ x=x1; y=y1; } friend Point operator+(const P 阅读全文
posted @ 2023-04-21 19:54 不会JAVA的小袁 阅读(14) 评论(0) 推荐(0)
摘要: #include<iostream>using namespace std;class BaseClass{ public: BaseClass(){ cout<<"construct BaseClass"<<endl; } ~BaseClass(){ cout<<"destruct BaseCla 阅读全文
posted @ 2023-04-21 19:35 不会JAVA的小袁 阅读(14) 评论(0) 推荐(0)