即使不知道任何Ruby或任何物件导向语言，我打赌你也可以对下列的程序码范例有感觉，以下是实际的Ruby on Rails程序码。

Even without knowing any Ruby — or anything about object-oriented programming — I bet you can make sense out of the following code examples, which are pieces of actual Ruby on Rails code.

youdao

有利于物件导向程序设计的语言功能，例如介面、继承和多载。

Language features such as inheritance, interfaces, and overloading for object-oriented programming.

youdao

有利于物件导向程序设计的语言功能，例如介面、继承和多载。

Language features such as inheritance, interfaces, and overloading for object-oriented programming.

youdao