#include<iostream>
in main() {
std::cout << "Hello World\n";
}
Copy and paste this and it will say hello world! #include <iostream> int main() { std: :cout < < "Hello, world!\n ";
The plus operator between string constants allows string concatination: string a = "Hello, "; string b = "World!"; string c = a + b; The output of c would be: "Hello, World!".
int main (void) { puts ("Hello, world"); return 0; }
#include<iostream> int main() { std::cout << "Hello world!\n"; }
#include<iostream> int main() { std::cout << "Hello world!" << std::endl; }
#include<iostream> int main() { std::cout << "Hello world!" << std::endl; return(0); }
#include<iostream> int main() { std::cout << "Hello world!" << std::endl; }
C++ Hello World Example:// this is a single line comment /* this is a multi-line comment */ #include // header file needed to print using namespace std; // instead of having to write std::cout // the main function is where the program begins execution int main() { // print Hello world. and a new line cout
#include<iostream> int main() { using namespace std; cout<<"Hello world!"<<endl; return( 0 ); }
Examples: 1, -1, -2.5, 'a', "Hello", NULL
#include<iostream> int main() { using namespace std; cout<<"Hello world!"<<endl; return(0); }
Yes, for example: #include <stdio.h> int main ( int argc, char **argv) {puts ("Hello, world"); return 0; }