What is swapping?
It means exchange things with each other
For more information have a look at swapping concept by Wikipedia
Calling Methods:
swap();
std:swap();
C++ code which take two numbers from user and swap using built in swap function. Program takes two input from user and displays numbers before and after swapping
C++ Program
#include <iostream> using namespace std; void swap() { cout<<"this is my swap"; } int main() { int firstNum , secondNum; cout<<"Enter value for First Number: "; cin>>firstNum; cout<<"Enter value for Second Number: "; cin>>secondNum; cout<<"\n\n"; cout<<"Values BEFORE Calling Built in Swap Function"<<endl<<endl; cout<<"\tFirst Number = "<<firstNum<<endl; cout<<"\tSecond Number = "<<secondNum<<endl; cout<<"\n\n"; std::swap( firstNum , secondNum ); cout<<"Values AFTER Calling Bulit in Swap Function"<<endl<<endl; cout<<"\tFirst Number = "<<firstNum<<endl; cout<<"\tSecond Number = "<<secondNum<<endl; return 0; }