Date Class Implementation in C++

This C++ program implements a class – Date. The class uses time header contains a function time() which returns current calender time as an object of type time_t. We can extract various information from this struct by using -> with the pointer to the time structure.

Here is the source code of the C++ program implements a class – Date. The C++ program is successfully compiled and run on a Linux system. The program output is also shown below.

```
/*
```
```
 * C++ Program to implement Class Date
```
```
 */
```
```
#include <iostream>
```
```
#include <ctime>
```
```
 
```

std::string months[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",

                        "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};

std::string days[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri",

```
                      "Sat"};
```
```
 
```
```
class Date{
```
```
    // Private Members
```
```
    private:
```
```
        std::string month;
```
```
        std::string day;
```
```
        int date;
```
```
        int year;
```
```
    // Public Members
```
```
    public:
```
```
        // Default Constructor
```
```
        Date() { 
```

                const int BASE_YEAR = 1900;

```
                time_t timer;
```
```
                tm * time;
```
```
                std::time(&timer);
```

                time = localtime(&timer);

```
                date = time->tm_mday;
```

                month = months[time->tm_mon];

                day = days[time->tm_wday];

                year = time->tm_year + BASE_YEAR;

```
        }
```
```
        void printDate(void) { 
```

            std::cout << "Current date "

                      << this->month << " " << this->day << " "

                      << this->date  << " " << this->year;

```
        }
```
```
        // Destructor
```
```
        ~Date() {}
```
```
};
```
```
 
```
```
int main()
```
```
{
```
```
    Date d;
```
```
 
```
```
    d.printDate();
```
```
}
```

$ a.out
Current date Oct Mon 7 2013

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