Ruby is a dynamic, object-oriented, programming language. With an expressive syntax it enables simplicity and productivity. Ruby appeared as an open-source project in 1995, initiated by Yukihiro Matsumoto.

class Person
  def initialize(name)
    @name = name
  end

  def introduce
    "Hello, I'm #{@name}!"
  end
end

Person.new('Matz').introduce
# => "Hello, I'm Matz!"