The area method is made available in all objects of class Square, : Class Methods « Class « Ruby

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Ruby » Class » Class Methods   The area method is made available in all objects of class Square, # so it's considered to be an object method. class Square   def initialize(side_length)     @side_length = side_length   end   def area     @side_length * @side_length   end end   Related examples in the same category 1.  Creating Class Methods 2.  Class methods give you the mechanism to properly implement the object counter 3.  Static class method

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