Another unusual feature is there are no class lectures;

VOA: standard.2010.05.12

My lectures are going to presume no special knowledge on your part.

我的课程并不需要你们有什么专业性的知识储备。

耶鲁公开课 - 现代诗歌课程节选

So there's no mention of int, and yet we've been saying for the past couple of lectures, that anytime you declare a variable, you absolutely have to specify its type.

这里没有提及int，我们在前几个演讲中,一直讨论的东西，任何时候你声明一个变量，你必须指定它的类型。

哈佛公开课 - 计算机科学课程节选