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class Language 
    def initialize(name, creator)
        @name = name
        @creator = creator
    end
	
    def description
        puts "I‘m #{@name} and I was created by #{@creator}!"
    end
end
ruby = Language.new("Ruby", "Yukihiro Matsumoto")
python = Language.new("Python", "Guido van Rossum")
javascript = Language.new("JavaScript", "Brendan Eich")
ruby.description
python.description
javascript.description
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原文地址:http://www.cnblogs.com/patientAndPersist/p/4378321.html