fig08_06.cpp

来自「经典vc教程的例子程序」· C++ 代码 · 共 34 行

// Fig. 8.6: fig08_06.cpp
// Driver for class Date
#include <iostream.h>
#include "date1.h"

int main()
{
   Date d1, d2( 12, 27, 1992 ), d3( 0, 99, 8045 );
   cout << "d1 is " << d1
        << "\nd2 is " << d2
        << "\nd3 is " << d3 << "\n\n";

   cout << "d2 += 7 is " << ( d2 += 7 ) << "\n\n";

   d3.setDate( 2, 28, 1992 );
   cout << "  d3 is " << d3;
   cout << "\n++d3 is " << ++d3 << "\n\n";

   Date d4( 3, 18, 1969 );

   cout << "Testing the preincrement operator:\n"
        << "  d4 is " << d4 << '\n';
   cout << "++d4 is " << ++d4 << '\n';
   cout << "  d4 is " << d4 << "\n\n";

   cout << "Testing the postincrement operator:\n"
        << "  d4 is " << d4 << '\n';
   cout << "d4++ is " << d4++ << '\n';
   cout << "  d4 is " << d4 << endl;

   return 0;
}