The purpose of this C++ assignment is to show students a simple class that they

Question

The purpose of this C++ assignment is to show students a simple class that they can practice with.

//DISPLAY 10.3 Class with a Member Function

//Program to demonstrate a very simple example of a class.

//A better version of the class DayOfYear will be given in Display 10.4.

#include

using namespace std;

class DayOfYear

{

public:

    void output( );

    int month;

    int day;

};

int main( )

{

    DayOfYear today, birthday;

    cout << "Enter today's date: ";

    cout << "Enter month as a number: ";

    cin >> today.month;

    cout << "Enter the day of the month: ";

    cin >> today.day;

    cout << "Enter your birthday: ";

    cout << "Enter month as a number: ";

    cin >> birthday.month;

    cout << "Enter the day of the month: ";

    cin >> birthday.day;

    cout << "Today's date is ";

    today.output( );

    cout << "Your birthday is ";

    birthday.output( );

    if (today.month == birthday.month

        && today.day == birthday.day)

        cout << "Happy Birthday! ";

    else

        cout << "Happy Unbirthday! ";

    return 0;

}

//Uses iostream:

void DayOfYear::output( )

{

    cout << "month = " << month

         << ", day = " << day << endl;

}

Please make following changes and submit program file (.cpp) and output file.

1. Add variable named 'year' to the class program.

2. Add class function named 'formatted_output' which will be similar to 'output'.

3. The function 'formatted_output' should format date as (MM/DD/YYYY). See image below:

4. Call formatted_output right after function 'output' is called.

Enter today's date Enter month a a number: 08 Enter the day of the month: 10 Enter the year as a number: 2016 Enter your birthday: Enter month a a number 8 Enter the day of the month: 10 Enter year as a number 1978 Today date is month 8, day 10 date is 8/10/2016 Your birthday i month 8, day 10 date is 8/10/1978 Happy Birthday! Press any key to continue

Explanation / Answer

#include <iostream>

using namespace std;
class DayOfYear
{
public:
void output( );
int month;
int day;
int year;
};
int main( )
{
DayOfYear today, birthday;
cout << "Enter today's date: ";
cout << "Enter month as a number: ";
cin >> today.month;
cout << "Enter the day of the month: ";
cin >> today.day;
cout << "Enter year as a number: ";
cin >> today.year;
cout << "Enter your birthday: ";
cout << "Enter month as a number: ";
cin >> birthday.month;
cout << "Enter the day of the month: ";
cin >> birthday.day;
cout << "Enter year as a number: ";
cin >> birthday.year;
cout << "Today's date is ";
today.output( );
cout << "Your birthday is ";
birthday.output( );
if (today.month == birthday.month
&& today.day == birthday.day && today.year == birthday.year)
cout << "Happy Birthday! ";
else
cout << "Happy Unbirthday! ";
return 0;
}
//Uses iostream:
void DayOfYear::output( )
{
cout << "year = " << year << ", month = " << month
<< ", day = " << day;
cout << " date is " << month << "-" << day << "-" << year << " ";   
}

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