fig09_10.cpp

是有关C++编程原理教程的例子程序,全,应该对大家有所帮助

// Fig. 9.10: fig09_10.cpp 
// Demonstrating a default constructor for class Time.
#include <iostream>
using std::cout;
using std::endl;

#include "Time.h" // include definition of class Time from Time.h

int main()
{
   Time t1; // all arguments defaulted
   Time t2( 2 ); // hour specified; minute and second defaulted
   Time t3( 21, 34 ); // hour and minute specified; second defaulted 
   Time t4( 12, 25, 42 ); // hour, minute and second specified
   Time t5( 27, 74, 99 ); // all bad values specified

   cout << "Constructed with:\n\nt1: all arguments defaulted\n  ";
   t1.printUniversal(); // 00:00:00
   cout << "\n  ";
   t1.printStandard(); // 12:00:00 AM

   cout << "\n\nt2: hour specified; minute and second defaulted\n  ";
   t2.printUniversal(); // 02:00:00
   cout << "\n  ";
   t2.printStandard(); // 2:00:00 AM

   cout << "\n\nt3: hour and minute specified; second defaulted\n  ";
   t3.printUniversal(); // 21:34:00
   cout << "\n  ";
   t3.printStandard(); // 9:34:00 PM

   cout << "\n\nt4: hour, minute and second specified\n  ";
   t4.printUniversal(); // 12:25:42
   cout << "\n  ";
   t4.printStandard(); // 12:25:42 PM

   cout << "\n\nt5: all invalid values specified\n  ";
   t5.printUniversal(); // 00:00:00
   cout << "\n  ";
   t5.printStandard(); // 12:00:00 AM
   cout << endl;
   return 0;
} // end main

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