摘要：今天偶然写两个灰常简单的类，Point，Rectangle，即左上角和右下角标识一个矩形的类。#include class Point{public: Point(); Point(int x); Point(int x,int y); int getX(); int getY(); void setX(int new_val); void setY(int new_val); void printPoint();private: int x; int y;};Point::Point(int x):x(x),y(x){};Point::Point():x(0),y(0){... 阅读全文