Slip 12 - A) Write a C++ program to create a class Date with data members day, month, and year. Use default and parameterized constructor to initialize date and display date in dd-Mon-yyyy format. (Example: Input: 04-01-2021 Output: 04-Jan-2021).

 Solution:

#include<iostream>

#include<conio.h>

using namespace std;

class date

{

 int dd,mm,yy;

 public: 

 date(int d,int m,int y)

 {

 dd=d;

 mm=m;

 yy=y;

 }

 void display()

 {

 cout<<"\nGiven date is\t";

 cout<<dd<<"-"<<mm<<"-"<<yy;

 cout<<"\nAfter formating date is\t";

 switch(mm)

 {

 case 1:

 cout<<"\n"<<dd<<"-Jan-"<<yy;

 break;

 case 2:

 cout<<"\n"<<dd<<"-Feb-"<<yy;

 break;

 case 3:

 cout<<"\n"<<dd<<"-Mar-"<<yy;

 break;

 case 4:

 cout<<"\n"<<dd<<"-Apr-"<<yy;

 break;

 case 5:

 cout<<"\n"<<dd<<"-May-"<<yy;

 break;

 case 6:

 cout<<"\n"<<dd<<"-Jun-"<<yy;

 break;

 case 7:

 cout<<"\n"<<dd<<"-Jul-"<<yy;

 break;

 case 8:

 cout<<"\n"<<dd<<"-Aug-"<<yy;

 break;

 case 9:

 cout<<"\n"<<dd<<"-Sep-"<<yy;

 break;

 case 10:

 cout<<"\n"<<dd<<"-Oct-"<<yy;

 break;

 case 11:

 cout<<"\n"<<dd<<"-Nov-"<<yy;

 break;

 case 12:

 cout<<"\n"<<dd<<"-Dec-"<<yy;

 break;

 default:

 cout<<"\nInvalid month"; 

 }

 }

};

int main()

{

 int m,dt,y;

 cout<<"\n Enter date : ";

 cin>>dt;

 cout<<"\n Enter month : ";

 cin>>m;

 cout<<"\n Enter year : ";

 cin>>y;

 date d(dt,m,y);

 d.display();

 return 0;

}