第二周实验报告2
2012-03-12 18:19
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#include <iostream> using namespace std; //定义长方体类 class Cub { public: void set_lwh(); void count_va(); void display(); private: double length; double width; double heigth; double volume; double areas; }; void Cub::set_lwh() { cout << "请输入长方形的长,宽,高:" ; cin >> length >> width >> heigth; } void Cub::count_va() { volume = length * width * heigth; areas = 2 * (length * width + width * heigth + length * heigth); } void Cub::display() { cout << "该长方形的体积是:" << volume << endl; cout << "该长方形的面积是:" << areas << endl; cout << endl; } int main() { Cub cu1, cu2, cu3;//定义三个长方体对象 cu1.set_lwh();//调用对应的成员函数,为长方体设置属性 cu1.count_va();//计算长方体的体积,表面积 cu1.display(); //输出长方体的体积,表面积 cu2.set_lwh(); cu2.count_va(); cu2.display(); cu3.set_lwh(); cu3.count_va(); cu3.display(); return 0; }