C++ Code accepts a character and display its next character

Write a program which accepts a character and display its next character.

#include<iostream.h>
#include<conio.h>

int main()
{
 char ch;
 cout<< "\nEnter any character : ";
 cin>>ch;
 ch++;
 cout<<"Next character is : "<<ch;

 getch();
 return 0;
}