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#!/usr/bin/ruby -w
# 定义类
class Box
   # 构造函数
   def initialize(w,h)
      @width, @height = w, h
   end
   # 访问器方法
   def printWidth
      @width
   end
   def printHeight
      @height
   end
end
# 创建对象
box = Box.new(10, 20)
# 使用访问器方法
x = box.printWidth()
y = box.printHeight()
puts "Width of the box is : #{x}"
puts "Height of the box is : #{y}"
 
 
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