C++ program to swap two numbers using template function: This simple CPP tutorial code for implementing swapping concept. This source code is deals with the following,

• Swap of Numbers,
• Swap of Characters,
• Swap of two strings.

All above operations are based on the C++ template functions. There is only one class and template function. For the string swapping, we have already assigned 2 string values like Trisha and Karthikh. You can change this strings further. An example swap program is given below.

• Read: Learn English Quickly

Swap program in C++:

• Related: C program Examples & Explanation

// Header files
#include<iostream.h>
#include<conio.h>
#include<stdio.h>
template<class Swp> // Template function declaration
void swap(Swp &a,Swp &b)
{
Swp temp;
temp=k;
k=z;
z=temp;
}
void main()
{
int i,j;
float x,y;
char m,n;
char *S1="TRISHA",*S2="KARTHIKH";
clrscr();
cout<<"\n \t C++ Swapping Method \n";
cout<<"\n Enter the Integer values for i & j:\n";
cin>>i>>j;
cout<<" Enter the Float values for x & y:\n";
cin>>x>>y;
cout<<"Enter the String values for m & n:\n";
fflush(stdin);
cin>>m>>n;
clrscr();
cout<<" C++ Swapping using Template function \n";
cout<<" Swap on integer values:\n";
cout<<" Before Swap operation : i is = "<<i<<"\t j = "<<j;
swap(i,j);
cout<<"\n After swapping Operation : i is= "<<i<<"\t j = "<<j;
cout<<"\n Swap on Float values: \n";
cout<<" Before swap operation X is= "<<x<<"\t Y = "<<y;
swap(x,y);
cout<<"\n After swap operation: X = "<<x<<"\t Y = "<<y;
cout<<"\n\ Swap on Characters : \n";
cout<<" Before swap operation M = "<<m<<"\t N = "<<n;
swap(m,n);
cout<<"\n After swap operation M = "<<m<<"\t N = "<<n;
cout<<"\n C++ program to Swap two strings\n";
cout<<"\n Before swap operation String 1 = "<<S1<<"\t String 2 = "<<S2;
swap(S1,S2);
cout<<"\n After swap operation String 1 is = "<<S1<<"\t String 2  is= "<<S2;
getch();
}