实验一熟悉VisualStudio开发环境

本科实验报告

课程名称：C++面向对象程序设计

实验项目：

实验地点：明向校区

专业班级：软件1419 学号：2014006061 学生姓名：刘国鑫

指导教师：王丽娟

2015年5月10日

2.#include

using namespace std;

class Rectangle

{ public:

Rectangle(double l,double w):len(l),wid(w){} double area()

{

double area;area=len*wid;return area;

}

private:

double len,wid;

};

class Square

{ public:

Square(double l):len(l){}

double area()

{

double area;area=len*len;return area;

}

private:

double len;

};

class Circle

{ public:

Circle(double r):radius(r){}

double area()

{

3.#include"iostream"

using namespace std;

class Complex

{

private:

float Real,Image;

public:

Complex(float r,float i)

{ Real=r;Image=i; }

Complex(Complex &c)

{ Real=c.Real;Image=c.Image; }

Complex()

{ Real=0;Image=0; }

void Display()

{

cout<

}

};

void main()

{

Complex c1(20,40),c2,c3(c1);

c1.Display();

c2.Display();

c3.Display();

system("pause");

}

运行结果：

4.#include

#include

using namespace std;

class Rectangle

{ public:

Rectangle(float l, float t, float r, float b) :left(l), top(t), right(r), bottom(b) {}

float Diagonal()

{ return sqrt((top - bottom) * (top - bottom) + (left - right) * (left- right)); }

void Show(Rectangle rec)

{ cout << rec.Diagonal()<

~Rectangle(){}

private:

float left;

float top;

float right;

float bottom;

};

int main()

{

Rectangle *re = new Rectangle(10, 10, 20, 20);

re->Show(*re);

delete re;

system("pause");

}

运行结果：