At the end of the day, you can implement the exact same program using a while loop that you can using a for loop, it's just your code is going to look slightly different.

最终，你可以执行这个程序,再使用for循环的地方使用while循环，这只是使你的代码看起来稍微有点不同。

哈佛公开课 - 计算机科学课程节选

Odds are statistically most of you will tackle something web based although you'll be able to tackle something android based, iPhone based, C based, PHP, really the choice will ultimately be yours, but to think about exactly how to design good software is something you, is certainly a lesson that we want to promote.

你们中很多人,会使用基于网络的方案,虽然你有能力使用基于android，iPhone，C，PHP的方案，的确，最终是你们自己的选择，但是确切地想一想,怎样设计一个好的软件，是我们提倡的经验。

哈佛公开课 - 计算机科学课程节选