18)Write a C++ program to create a class Integer. Write necessary member functions to overload the operator unary pre and post increment ‘++’ for an integer number.
#include<iostream.h>
#include<conio.h>
class integer
{
int n1;
public:
void accept();
void operator ++();
};
void integer::accept()
{
cout<<"\n Enter N1 : ";
cin>>n1;
}
void integer::operator ++()
{
n1--;
cout<<"\n N1 : "<
}
void main()
{
integer a;
clrscr();
a.accept();
cout<<"\n Unary pre increment : ";
++a;
cout<<"\n Unary post increment : ";
a++;
getch();
}
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