So at top left we have a slash and a star - and that says everything that follows that — those symbols is just a comment.

在左上角，大家可以看到，这是用来告诉大家，所有跟在它后面的-，标记都只是注释而已。

youdao

Enter a comment to negate the if (largestCityPopulationSB == null) statement by adding two forward-slash marks: //.

通过添加两个斜杠标记，输入注释取消 (largestCityPopulationSB == null) 判断语句： //.

youdao

So let me challenge you with this: inside of these curly braces where I have put a comment with slash slash -- a "comment" means nothing here gets compiled, it's just for the human to read.

让我用这个来挑战你们：,在这些花括号里面，我通过双斜杠写入了一个注释,-一条“注释“在这里不会被编译,它只是用来我们阅读的。

哈佛公开课 - 计算机科学课程节选

* So at top left we have a slash and a star - and that says everything that follows that-- those symbols is just a comment.

在左上角，大家可以看到,这是用来告诉大家，所有跟在它后面的-,标记都只是注释而已。

哈佛公开课 - 计算机科学课程节选