class variable vs object variable : instance variables « Class « Ruby

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Ruby » Class » instance variables 
class variable vs object variable


#!/usr/bin/env ruby

class Repeat
  @@total = 0
  def initializestring, times )
    @string = string
    @times = times
  end
  def repeat
    @@total += @times
    return @string * @times
  end
  def total
    "Total times, so far: " + @@total.to_s
  end
end

data = Repeat.new"a ")
ditto = Repeat.new"A! ")
ditty = Repeat.new"R. ")

puts data.repeat
puts data.total 

puts ditto.repeat
puts ditto.total 

puts ditty.repeat
puts ditty.total

 
Related examples in the same category
1. In Ruby, you prefix instance variables with an at sign @
2. Using a Constructor to Configure Objects
3. Print out the instance variable
4. Adding more accessors
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