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ruby 在线工具

#!/usr/bin/ruby -w
#
class Box
BOX_COMPANY = "TATA Inc"
BOXWEIGHT = 10
#
def initialize(w,h)
@width, @height = w, h
end
#
def getArea
@width * @height
end
end
#
box = Box.new(10, 20)
#
a = box.getArea()
puts "Area of the box is : #{a}"
puts Box::BOX_COMPANY
puts "Box weight is: #{Box::BOXWEIGHT}"
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运行结果