Question

1. Create a class named Date in C++
2. Class has 3 private data items (name the data items month, day, year)
   1. int month
   2. int day
   3. int year
3. Member functions
   1. ‘getters’   a getter for each data item
      1. Use ‘get’ and the data items name
      2. The data item name must be capitalized
      3. Return the data item
      4. Example: int getMonth()        {return month;}
   2. ‘setters’   a setter for each data item
      1. Use ‘set’ and the data items name
      2. The data item name must be capitalized
      3. Change the data items value
      4. Example: void setMonth(int x)          {month = x;}
   3. display()
      1. blank line
      2. month is               mm
      3. day is                     dd
      4. year is                   yyyy
      5. blank line

             notice, month, day, and year values line up and are printed in that order

             use ‘getters’ in the display function – not the data item name

since the setters and getters are small one line member functions, the setters and getters

can be coded inside the class definition.

The member function    void display()    is coded outside the class definition.

Answer 1

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Code:

#include <iostream>

using namespace std;

class Data{
// declaring data items
public:
int month, day, year;
  
// getter and setter methods
int getMonth(){
return month;
}
int setMonth(int x){
month = x;
}
int getDay(){
return day;
}
int setDay(int x){
day = x;
}
int getYear(){
return year;
}
int setYear(int x){
year = x;
}
  
void display(void);
};

// display function outside the class definition
void Data::display(){
cout << endl;
cout << "month is " << month << endl;
cout << "day is " << day << endl;
cout << "year is " << year << endl;
cout << endl;
};

int main()
{
// creating Data instance
Data d1;
  
d1.setMonth(05);
d1.setDay(06);
d1.setYear(2019);
  
d1.display();
  
return 0;
}

Code output screenshot: