pr11003.cpp

来自「c++编程宝典源码及Quincy99编译器 是《标准C++编程宝典》电子工业出」· C++ 代码 · 共 41 行

////////////////////////////////////////
// File Name: pr11003.cpp
////////////////////////////////////////
#include <iostream>

////////////////////////////////////////
// Declare and define the Box class.
////////////////////////////////////////
class Box
{
    // Private data members.
    int height, width, depth;

public:
    // Constructor with default initializers.
    Box(int ht = 1, int wd = 2, int dp = 3)
        { height = ht; width = wd; depth = dp; }

    // Member function.
    int volume() { return height * width * depth; }
};

////////////////////////////////////////
// The main() function.
////////////////////////////////////////
int main()
{
    // Construct two Box objects, one with
    // initializers and one without.
    Box thisbox(7, 8, 9);
    Box defaultbox;

    // Get and display the objects' volumes.
    int volume = thisbox.volume();
    std::cout << volume << std::endl;
    volume = defaultbox.volume();
    std::cout << volume;

    return 0;
}