Programming Languages

This book attempts to present and explain computer programming fundamental concepts and paradigms. A number of popular, widespread computer programming languages exemplifies these concepts. Obviously, there are many computer programming languages and a more exhaustive list can be found here.

This section intends to present the classic "Hello World!" program in some of the most popular, widespread languages as a quick reference to see how they differ syntactically.

C++

#include <iostream>
 
int main()
{
    std::cout << "Hello, world!\n";
}

C#

using System;

class Program
{
    public static void Main(string[] args)
    {
        Console.WriteLine("Hello, world!");
    }
}

JavaScript

alert(“Hello World!”);

Python

print('Hello, World!')