I got string and it went along but what does that actually mean?

我有一个字符串……,但是这意味着什么？

哈佛公开课 - 计算机科学课程节选

NULL If a get string returns null, that pretty much means something went wrong and there are a few things that could go wrong.

如果GetSting返回，大致上表示的是出错了,这里有几种出错的地方。

哈佛公开课 - 计算机科学课程节选