PROFESSOR: Last time, Professor Guttag introduced the idea of objects and classes and this wonderful phrase called object-oriented programming.

教授：上节课，Guttag教授,介绍了对象和类的概念以及,面向对象编程这个美妙的短语,这是我今天想继续讲的一个话题。

麻省理工公开课 - 计算机科学及编程导论课程节选

You'll see both terms used on the web, and the literature etc., and think of them as synonyms.

然后把它们当做同义词，现在类的概念。

麻省理工公开课 - 计算机科学及编程导论课程节选

Having created this thing called Cartesian point, I'm going to create two instances of it.

这里面是控的,好，我们一会就会来完善它，但是类的概念就是。

麻省理工公开课 - 计算机科学及编程导论课程节选

Right there, and I'd like you to ook at that in your handout.

着手做这个理想的类了,我想要讲讲概念。

麻省理工公开课 - 计算机科学及编程导论课程节选

So when I type, I'm sorry, I shouldn't say type, c point although I would have typed it, p dot x, here's what basically happens.

处于特定点的实例的这个概念，我知道它来自于这个类，这个类，when，I，write，因此当我输入，抱歉，我不该说输入的，当我写，虽然我需要输入它，p，x的时候。

麻省理工公开课 - 计算机科学及编程导论课程节选