class Clock { public: Clock() : hourValue_(0), minuteValue_(0), secondValue_(0) {}; Clock(const int hourValue, const int minuteValue, const int secondValue) : hourValue_(hourValue), minuteValue_(minuteValue), secondValue_(secondValue) {}; virtual std::string ShowTime(void) = 0; virtual void SetTime(int hourValue, int minuteValue, int secondValue) = 0; int hourValue_; int minuteValue_; int secondValue_; int GetHour() { return hourValue_; }; int GetMinute() { return minuteValue_; }; int GetSecond() { return secondValue_; }; void SetHour(const int hourValue) { hourValue_ = hourValue; }; void SetMinute(const int minuteValue) { minuteValue_ = minuteValue; }; void SetSecond(const int secondValue) { secondValue_ = secondValue; };}; class DigitalClock final : public Clock { public: DigitalClock(const int hourValue, const int minuteValue, const int secondValue); virtual std::string ShowTime(void) override; virtual void SetTime(const int hourValue, const int minuteValue, const int secondValue) override; DigitalClock TimeSum(const DigitalClock& rhs); bool ResetClock(char parameter); void Tick(); int CanIStillReachTheBus(const DigitalClock& currentTime, const DigitalClock& departureTime); static int amountOfClocks_; }; Task: Use override to override the ShowTime() function of the base class inside the derived class DigitalClock std::string DigitalClock::ShowTime(). This should return a string (hours followed by : followed by minutes followed by : followed by seconds) containing the digital time. For example, 14:0:2.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

class Clock {

public:
Clock() : hourValue_(0), minuteValue_(0), secondValue_(0) {};
Clock(const int hourValue, const int minuteValue, const int secondValue) : hourValue_(hourValue), minuteValue_(minuteValue), secondValue_(secondValue) {};

virtual std::string ShowTime(void) = 0;
virtual void SetTime(int hourValue, int minuteValue, int secondValue) = 0;

int hourValue_;
int minuteValue_;
int secondValue_;

int GetHour() { return hourValue_; };
int GetMinute() { return minuteValue_; };
int GetSecond() { return secondValue_; };

void SetHour(const int hourValue) { hourValue_ = hourValue; };
void SetMinute(const int minuteValue) { minuteValue_ = minuteValue; };
void SetSecond(const int secondValue) { secondValue_ = secondValue; };
};

class DigitalClock final : public Clock {

public:
DigitalClock(const int hourValue, const int minuteValue, const int secondValue);

virtual std::string ShowTime(void) override;
virtual void SetTime(const int hourValue, const int minuteValue, const int secondValue) override;

DigitalClock TimeSum(const DigitalClock& rhs);

bool ResetClock(char parameter);
void Tick();
int CanIStillReachTheBus(const DigitalClock& currentTime, const DigitalClock& departureTime);

static int amountOfClocks_;

};

Task:

Use override to override the ShowTime() function of the base class inside the derived class DigitalClock std::string DigitalClock::ShowTime(). This should return a string (hours followed by : followed by minutes followed by : followed by seconds) containing the digital time. For example, 14:0:2.

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