"Hello World" Program

C program example:

#include <stdio.h>
int main(){
    printf("Hello World\n");
    return 0;
}

C++ program example:

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

Java program example:

public class Main{
    public static void main(String args[]){
        System.out.println("Hello World");
    }
}

Php program example:

<?php
echo "Hello World\n";
?>

Javascript program example:

console.log("Hello World");

Shell program example:

!/bin/bash
echo "Hello World\n"

Compare six program language.

Thanks!