self represents the current class, : self « Class « Ruby

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Ruby » Class » self 
self represents the current class,


# def self.test_method defines the method as being specific to the class
# with no prefix, methods are automatically instance methods.



class Square
  def self.test_method
    puts "Hello from the Square class!"
  end

  def test_method
    puts "Hello from an instance of class Square!"
  end
end

Square.test_method
Square.new.test_method

 
Related examples in the same category
1.The style ClassName.method_name versus self.method_name to define class method
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