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Jul 29th, 2015
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  1. class Table
  2. attr_reader :num_legs
  3.  
  4. def initialize(num_legs)
  5. if num_legs > 0
  6. @num_legs = num_legs
  7. elsif num_legs == 0
  8. raise "Tables have one or more legs."
  9. else
  10. raise ArgumentError, "The number of legs has to be greater than zero."
  11. end
  12. end
  13. end
  14.  
  15. def create_table(legs)
  16. begin
  17. t = Table.new legs
  18. p t
  19. rescue ArgumentError
  20. puts "So sorry!"
  21. rescue
  22. puts "Say what?"
  23. end
  24. puts "All done!"
  25. end
  26.  
  27. create_table(-1)
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