Write a C++ program using class to overload the operator unary decrement -- for an integer number.

Write a C++ program using class to overload the operator unary decrement -- for an integer number.

#include<conio.h>
#include<iostream.h>
class decrement
{
public:int no;
public:void getdata()
       {
       cout<<"\n Enter the number:-";
       cin>>no;
       }
       void operator --()
       {
       no=no-1;
       }
       void display()
       {
       cout<<"\n The number after decrement is:-"<<no;
       }
};
int main()
{
decrement i;
clrscr();
i.getdata();
--i;
i.display();
getch();
return 0;
}




===========================================

OUTPUT

Enter the number:-6

The number after decrement is:-5

Write a c++ program using class to overload the operator unary increment ++ for an integer number.

Write a C++ program using class to overload the operator unary increment ++ for an integer number.

#include<conio.h>
#include<iostream.h>
class increment
{
public:int no;
public:void getdata()
       {
       cout<<"\n Enter the number:-";
       cin>>no;
       }
       void operator ++()
       {
       no=no+1;
       }
       void display()
       {
       cout<<"\n The number after increment is:-"<<no;
       }
};
int main()
{
increment i;
clrscr();
i.getdata();
++i;
i.display();
getch();
return 0;
}


=========================================

OUTPUT

Enter the number:-2

The number after increment is:-3