Add field to track second in Time class - C++ Class

C++ examples for Class:Class Creation

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Description

Add field to track second in Time class

Demo Code

                                                                                                                                              
#include <iomanip>
#include <iostream>
#include <stdexcept>
class Time {//from www  .  j ava 2s.c  o m
 public:
    explicit Time(int = 0, int = 0, int = 0);
                                                                                                                                              
    // SETTERS
    void setTime(int, int, int);
    void setHour(int);
    void setMinute(int);
    void setSecond(int);
                                                                                                                                              
    // GETTERS
    int getHour();
    int getMinute();
    int getSecond();
                                                                                                                                              
    void tick();  // increment time by 1 second
                                                                                                                                              
    void printUniversal();
    void printStandard();
                                                                                                                                              
 private:
    int hour;
    int minute;
    int second;
};
                                                                                                                                              
Time::Time(int hour, int minute, int second) { setTime(hour, minute, second); }
// SETTERS
// set new Time value using universal time
void Time::setTime(int h, int m, int s) {
    setHour(h);
    setMinute(m);
    setSecond(s);
}
// set hours
void Time::setHour(int h) {
    if (h >= 0 && h < 24) {
        hour = h;
    } else {
        throw std::invalid_argument("hour must be 0-23");
    }
}
// set minutes
void Time::setMinute(int m) {
    if (m >= 0 && m < 60) {
        minute = m;
    } else {
        throw std::invalid_argument("minute must be 0-59");
    }
}
// set seconds
void Time::setSecond(int s) {
    if (s >= 0 && s < 60) {
        second = s;
    } else {
        throw std::invalid_argument("second must be 0-59");
    }
}
// GETTERS
int Time::getHour() { return hour; }
int Time::getMinute() { return minute; }
int Time::getSecond() { return second; }
// increment time by 1 second
void Time::tick() {
    if (second < 59) {
        second++;
    } else {
        second = 0;
        if (minute < 59) {
            minute++;
        } else {
            minute = 0;
            if (hour < 23) {
                hour++;
            } else {
                hour = 0;
                minute = 0;
                second = 0;
            }
        }
    }
}
// print Time in universal-time format (HH:MM:SS)
void Time::printUniversal() {
    std::cout << std::setfill('0') << std::setw(2) << getHour() << ":"
              << std::setw(2) << getMinute() << ":" << std::setw(2)
              << getSecond();
}
// print Time in standard-time format (H:MM:SS AM PM)
void Time::printStandard() {
    std::cout << ((getHour() == 0 || getHour() == 12) ? 12 : getHour() % 12)
              << ":" << std::setfill('0') << std::setw(2) << getMinute() << ":"
              << std::setw(2) << getSecond() << (hour < 12 ? " AM" : " PM");
}
#include <iostream>
                                                                                                                                              
int main(int argc, const char *argv[]) {
    Time t1(23, 59, 58);
                                                                                                                                              
    std::cout << "t1: ";
                                                                                                                                              
    t1.printUniversal();
                                                                                                                                              
    std::cout << std::endl;
                                                                                                                                              
    for (int i = 0; i < 100; ++i) {
        t1.tick();
                                                                                                                                              
        if (i % 10 == 0) {
            t1.printUniversal();
                                                                                                                                              
            std::cout << " ";
                                                                                                                                              
            t1.printStandard();
                                                                                                                                              
            std::cout << std::endl;
        }
    }
    return 0;
}

Result


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