ruby 在線工具

#!/usr/bin/ruby -w

# 定義類
class Box
   # 構(gòu)造器方法
   def initialize(w,h)
      @width, @height = w, h
   end

   # 訪問(wèn)器方法
   def getWidth
      @width
   end
   def getHeight
      @height
   end

   # 設(shè)置器方法
   def setWidth=(value)
      @width = value
   end
   def setHeight=(value)
      @height = value
   end
end

# 創(chuàng)建對(duì)象
box = Box.new(10, 20)

# 讓我們凍結(jié)該對(duì)象
box.freeze
if( box.frozen? )
   puts "Box object is frozen object"
else
   puts "Box object is normal object"
end

# 現(xiàn)在嘗試使用設(shè)置器方法
box.setWidth = 30
box.setHeight = 50

# 使用訪問(wèn)器方法
x = box.getWidth()
y = box.getHeight()

puts "Width of the box is : #{x}"
puts "Height of the box is : #{y}"