Introduction Code Examples
How do I write Hello, World! program?
Let me introduce you to Ruby. Ruby is an object-oriented programming language that support dynamic programming styles. To start learning Ruby you'll need a Ruby interpreter installed in your computer. The small program below is the classic introductory program into programming language called Hello World.
Open your favorite text editor, type-in the following code and save it in a file called
.rb is the extension name use for a file to store Ruby source code.
# Print Hello, World! puts 'Hello, World!'
To run this program, execute the following command on the path where you store your
$ ruby hello.rb
And the result will print the following text on the terminal.