Ruby 類的建立

來源:互聯網
上載者:User

標籤:

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

 

  1. 類名首字母大寫,NewClass (方法名首字母小寫,多個單詞用底線串連)
  2. 初始化函數 initialize, 參數為name, creator
  3. 執行個體變數賦值@name = name (python self.name = name)
  4. 建立執行個體 ruby = Language.new("Ruby", "Yukihiro Matsumoto")
  5. 調用類函數 ruby.description
  6. @關鍵字 + 變數名 表示該變數為執行個體變數

Ruby 類的建立

相關文章

聯繫我們

該頁面正文內容均來源於網絡整理,並不代表阿里雲官方的觀點,該頁面所提到的產品和服務也與阿里云無關,如果該頁面內容對您造成了困擾,歡迎寫郵件給我們,收到郵件我們將在5個工作日內處理。

如果您發現本社區中有涉嫌抄襲的內容,歡迎發送郵件至: info-contact@alibabacloud.com 進行舉報並提供相關證據,工作人員會在 5 個工作天內聯絡您,一經查實,本站將立刻刪除涉嫌侵權內容。

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.