cpp-programming/OOP2_Lab4/main1.cpp at main · AvraamG/cpp-programming · GitHub

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#include <iostream>

#include <string>

using namespace std;

class DayTime

{

private:

int hour, minute, second;

public:

DayTime()

{

hour = 0;

minute = 0;

second = 0;

}

DayTime(int h, int m, int s)

{

hour = h;

minute = m;

second = s;

}

int getHour() const

{

return hour;

}

int getMinute() const

{

return minute;

}

int getSecond() const

{

return second;

}

void DisplayTime()

{

cout << "HH: " << hour << endl

<< "MM: " << minute << endl

<< "SS: " << second << endl;

}

int asSeconds() const

{

return (3600 * hour + 60 * minute + second);

}

friend void operator<<(ostream &out, DayTime &h);

friend void operator>>(istream &in, DayTime &h);

friend void operator++(DayTime &MainDayTime);

friend void operator--(DayTime &MainDayTime2);

};

void operator>>(istream &in, DayTime &h)

{

cout << "Input hours ( 0 , 24 ): ";

in >> h.hour;

cout << "Input minutes (0 , 60 ): ";

in >> h.minute;

cout << "Input seconds ( 0 ,60 ): ";

in >> h.second;

}

void operator<<(ostream &out, DayTime &h)

{

out << "HH: " << h.hour << endl

<< "MM: " << h.minute << endl

<< "SS: " << h.second << endl;

}

void operator++(DayTime &MainDayTime)

{

MainDayTime.second++;

if (MainDayTime.second >= 60)

{

MainDayTime.second = 0;

MainDayTime.minute++;

}

if (MainDayTime.minute >= 60)

{

MainDayTime.minute = 0;

MainDayTime.hour++;

}

void operator--(DayTime &MainDayTime2)

{

MainDayTime2.minute--;

if (MainDayTime2.minute < 0)

{

MainDayTime2.minute = 59;

MainDayTime2.hour--;

}

// Class 'Dollar' for the program 2

class Dollar

{

private:

float currency, mktrate, offrate;

public:

Dollar()

{

currency = 100;

mktrate = 9000;

offrate = 7000;

}

float getDollar()

{

cout << endl

<< "Currency: " << endl;

return currency;

}

float getMarketSoums()

{

cout << "Markent currency: " << endl;

return currency * mktrate;

}

float getofficialSoums()

{

cout << "Official currency:" << endl;

return currency * offrate;

}

void setRates()

{

cout << "Enter current market rate: " << endl;

cin >> mktrate;

cout << "Enter current official rate: " << endl;

cin >> offrate;

}

friend void operator<<(ostream &output, Dollar &p);

};

void operator<<(ostream &output, Dollar &p)

{

output << "Details of a dollar " << endl;

output << "Currency is " << p.currency << endl

<< "Market rate is " << p.mktrate << endl;

output << "Official rate is " << p.offrate << endl;

}

void showChoicesforMainMenu();

void showChoicesforMainMenu2();

int main()

{

int choice;

DayTime t2(25, 0, 0);

int hour, minute, second;

{

showChoicesforMainMenu();

cin >> choice;

switch (choice)

{

// for program 1

case 1:

{

system("cls");

int choice2;

DayTime h1(10, 10, 10);

DayTime h2;

cin >> h2;

showChoicesforMainMenu2();

{

cin >> choice2;

switch (choice2)

{

case 1:

cout << h2;

cout << endl

<< endl;

cout << "Enter your choice: ";

break;

case 2:

cout << h2.asSeconds() << endl;

cout << "Enter your choice: ";

break;

case 3:

++h2;

h2.DisplayTime();

cout << h2.asSeconds();

cout << endl

<< endl;

cout << "Enter your choice: ";

break;

case 4:

--h2;

h2.DisplayTime();

cout << endl

<< endl;

cout << "Enter your choice: ";

break;

case 5:

system("cls");

main();

break;

default:

system("cls");

cout << "Invalid input! Try again." << endl;

}

} while (choice2 != 5);

break;

}

// for program 2

case 2:

{

system("cls");

cout << "\t[2] Currency converter" << endl;

Dollar money;

cout << money.getDollar() << endl;

cout << money.getMarketSoums() << endl;

cout << money.getofficialSoums() << endl

<< endl;

money.setRates();

cout << money.getDollar() << endl;

cout << money.getMarketSoums() << endl;

cout << money.getofficialSoums() << endl;

cout << "Overloading: " << endl

<< endl;

cout << money;

}

break;

case 3:

{

}

break;

default:

cout << "Invalid input! Try again." << endl;

}

} while (choice != 3);

return 0;

}

void showChoicesforMainMenu()

{

cout << endl

<< endl;

cout << "\t\t\t M A I N M E N U" << endl;

cout << "\t\t\t1: Day Time " << endl;

cout << "\t\t\t2: Dollar & Soums" << endl;

cout << "\t\t\t3: Exit " << endl;

cout << "\t\t\tEnter your choice : ";

}

void showChoicesforMainMenu2()

{

cout << "\t[1] First program" << endl;

cout << "\t\t\t M A I N M E N U 2" << endl;

cout << "\t\t\t1. To Display Time." << endl;

cout << "\t\t\t2. To Display Time in Seconds." << endl;

cout << "\t\t\t3. To Increment seconds." << endl;

cout << "\t\t\t4. To decrements minutes." << endl;

cout << "\t\t\t5. Exit." << endl;

cout << "\t\t\tEnter your choice : ";

}

cpp-programming/OOP2_Lab4/main1.cpp at main · AvraamG/cpp-programming · GitHub

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