parallelogram.h

初学者用的关于VC继承思想的小程序,非常使用于初学者哦

//*************      parallelogram.h      ************

#ifndef PARALLELOGRAM_H
#define PARALLELOGRAM_H

#include <string.h>

class Parallelogram
{
public:
	Parallelogram ( double, double, double, string );
    ~Parallelogram ();
	//Parallelogram();
	/*virtual void set (double, double, double, string);
    virtual double getsider1 () const;
	virtual double getsider2 () const;
	virtual double getangle1 () const;
	virtual string getcolour () const;
	virtual void print () const;          //打印长方形的属性
	virtual double girth() const;             //计算长方形的周长
	virtual double area() const;*/              //计算长方形的面积

    void set (double, double, double, string);
    double getsider1 () const;
    double getsider2 () const;
    double getangle1 () const;
    string getcolour () const;
    void print () const;          //打印长方形的属性
    double girth() const;             //计算长方形的周长
    double area() const;              //计算长方形的面积
	

protected:
	double sider1;             //长方形的边长1
	double sider2;			   //长方形的边长2
	double angle1;             //长方形的夹角1
	string colour;             //长方形的颜色
};

#endif