Source code Hello World

Language C (helloworld.c)
int main(int argn, char *argv) {
    print(“Hello world”);
}

Language C++ (helloworld.cpp) p stands for plus
#include <iostream>
using namespace std;
int main(int argn, char * argv) {
    cout << “Hello world”;
}

Language PHP (helloworld.php)
<?php
    echo “Hello world”;
?>

Language Java (HelloWorld.java)
public class HelloWorld {
    public static void main(String[] args) {
        System.out.print(“Hello world”);
    }
}