Using the Time class with an overloaded insertion operator. - C++ Class

C++ examples for Class:Operator Overload

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Description

Using the Time class with an overloaded insertion operator.

Demo Code

                                                             
#include <iostream>
#include <iomanip>
#include <iostream>
                                                             
class Time//from w ww .  j a  v  a  2  s.  c  o  m
{
private:
  int hours {};
  int minutes {};
  int seconds {};
                                                             
  public:
  Time() = default;
  Time(int h, int m, int s);
  int getHours()const { return hours; }
  int getMinutes()const { return minutes; }
  int getSeconds()const { return seconds; }
};
                                                             
std::ostream& operator <<(std::ostream& out, const Time& rT); // Overloaded insertion operator declaration
                                                             
// Constructor - implemented to allow specification of minutes and seconds more than 59
Time::Time(int h, int m, int s)
{
  seconds = s%60;                                          // Seconds left after removing minutes
  minutes = m + s/60;                                      // Minutes plus minutes from seconds
  hours = h + minutes/60;                                  // Hours plus hours from minutes
  minutes %= 60;                                           // Minutes left after removing hours
}
                                                             
// Insertion operator
std::ostream& operator <<(std::ostream& out, const Time& rT)
{
  out << ' ' << rT.getHours() << ':';
  char fillCh {out.fill('0')};                             // Set fill for leading zeros
                                                             
  out << std::setw(2) << rT.getMinutes() << ':'
      << std::setw(2) << rT.getSeconds() << ' ';
  out.fill(fillCh);                                        // Restore old fill character
  return out;
}
int main()
{
  Time period1(10,30,25);
  Time period2(1, 70,90);
  std::cout << "\nPeriod 1 is " << period1
            << "\nPeriod 2 is " << period2
            << std::endl;
}

Result


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