attr_reader « Class « Ruby

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Ruby » Class » attr_reader   1.  attr_reader creates one or more instance variables, with corresponding methods that return (get) the values of each method. 2.  Calling the attr_accessor method does the same job as calling both attr_reader and attr_writer together, for one or more instance methods 3.  Use attr_reader to add a new attribute and use initialize method to set it 4.  attr_reader creates these accessor methods for you.

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