cylindertest.cpp

来自「《c＋＋大学教程》源码」· C++ 代码 · 共 71 行

// Fig. 9.24: cylindertest.cpp
// Testing class Cylinder.
#include <iostream>  

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

#include <iomanip>

using std::setprecision;

#include "cylinder.h"  // Cylinder class definition

int main()
{
   // instantiate Cylinder object
   Cylinder cylinder( 12, 23, 2.5, 5.7 ); 

   // display point coordinates
   cout << "X coordinate is " << cylinder.getX() 
        << "\nY coordinate is " << cylinder.getY()
        << "\nRadius is " << cylinder.getRadius()
        << "\nHeight is " << cylinder.getHeight();

   cylinder.setX( 2 );          // set new x-coordinate
   cylinder.setY( 2 );          // set new y-coordinate
   cylinder.setRadius( 4.25 );  // set new radius
   cylinder.setHeight( 10 );    // set new height

   // display new cylinder value
   cout << "\n\nThe new location and radius of circle are\n";
   cylinder.print();

   // display floating-point values with 2 digits of precision
   cout << fixed << setprecision( 2 );

   // display cylinder's diameter
   cout << "\n\nDiameter is " << cylinder.getDiameter();

   // display cylinder's circumference
   cout << "\nCircumference is " 
        << cylinder.getCircumference();

   // display cylinder's area
   cout << "\nArea is " << cylinder.getArea();

   // display cylinder's volume
   cout << "\nVolume is " << cylinder.getVolume();

   cout << endl;

   return 0;  // indicates successful termination
   
} // end main

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