fig03_23.cpp

这是C＋＋编程经典的书上实例的源代码。 （英文名是《C＋＋ how to program》第3版）

// Fig. 3.23: fig03_23.cpp
// Using default arguments
#include <iostream>

using std::cout;
using std::endl;

int boxVolume( int length = 1, int width = 1, int height = 1 );

int main()
{
   cout << "The default box volume is: " << boxVolume() 
	    << "\n\nThe volume of a box with length 10,\n"
        << "width 1 and height 1 is: " << boxVolume( 10 ) 
        << "\n\nThe volume of a box with length 10,\n" 
        << "width 5 and height 1 is: " << boxVolume( 10, 5 )
        << "\n\nThe volume of a box with length 10,\n"
        << "width 5 and height 2 is: " << boxVolume( 10, 5, 2 )
        << endl;

   return 0;
}

// Calculate the volume of a box 
int boxVolume( int length, int width, int height )
{ 
   return length * width * height;
}




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