A C++ program to swap two character data using function.

SwapCharacter.cpp

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

using namespace std;

void swap(char &,char &);

int main(){
 char ch1,ch2;
 cout<<"Enter first character = ";cin>>ch1;
 cout<<"Enter second character = ";cin>>ch2;
 swap(ch1,ch2);
 cout<<"After swapping character : ";
 cout<<"\nNow first character = "<<ch1;
 cout<<"\nNow second character = "<<ch2;
 getch();
 return(0);
}

void swap(char &a,char &b){
 char temp;
 temp=a;
 a=b;
 b=temp;
}