hello world c++ code example

Example 1: hello world c++

#include <iostream>


int main(){
 std::cout <<"Hello World" << std::endl;
 return 0;
}

Example 2: hello world c++

#include <iostream>

using namespace std;

int main() {
 cout << "Hello World" << endl;		// endl = '\n'
 return 0;
}

Example 3: hello world c++

#include <iostream> // Include standard library and namespace
using namespace std; // for c++

int main () // where program starts
{
	cout << "Hello World!\n"; // cout (part of std) prints message
  	return 0; // return int because main is of type int
}

Example 4: hello world c++

#include <iostream>
std::cout << "Hello, World!";

Example 5: hello world c++

#include <iostream>
using namespace std;
int main()
{
 cout<<"Hello World!";
  return 0;
}

Example 6: hello world c++

// Your First C++ Program

#include <iostream>

int main() {
    std::cout << "Hello World!";
    return 0;
}

Example 7: hello world c++

#include <iostream>

int main() {
    std::cout << "Hello World!";
    return 0;
}

Example 8: hello world c++

#include <iostream>
using std::cout;
int main()
{ 
    cout<<"Hello world";
    return 0;
}

Example 9: hello world c++

#include <iostream>

using namespace std;

int main() {
    cout << "Hello World!";
    return 0;
}

Example 10: Hello world c++

#include<iostream.h>

using namespace std;
int main()
{
    cout<<"Hello world!";
    return 0;
}