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October 14, 2015 22:13
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,65 @@ class Table # attr_reader :num_legs # attr_writer :num_legs attr_accessor :num_legs def initialize(legs) @tabletop = [] @num_legs = legs end def self.has_legs? true end # replaced by attr_reader and attr_accessor # def num_legs # @num_legs # end # replaced by attr_writer and attr_accessor # def num_legs=(value) # @num_legs = value # end def put_on(something) @tabletop << something end def inventory @tabletop end def look_at if @tabletop.size > 0 puts "This table has the following items:" @tabletop.each do |item| puts "- #{item}" end else puts "This table has no items." end end end p Table.has_legs? __END__ t = Table.new 4 t.look_at t.put_on "plate" t.put_on "book" t.look_at puts t.num_legs t.num_legs = 2 puts t.num_legs p t.inventory # t2 = Table.new # p t2.put_on 2 # p t2.look_at # # p t.look_at