然后，提取类你想使用的信息。

Then, extract information about the class you want to use from it.

youdao

新的重构——有一个新的提取类重构功能，它把一组变量提取到一个类中，并且保留了成员访问函数。

New refactorings - There is a new extract class refactoring, which extracts a group of variables into a class and preserves member access.

youdao

这个类用来从HTML文件中提取出文本信息。

This class extracts the text content from the HTML file.

youdao

What is the class of algorithm that's- that probably applies to this, and how do I pull something out of that, if you like, a briefcase of possible algorithms to solve?

以及哪种算法-,可能可以应用到这类问题上,问题本身又能提取出什么东西来，以及可能解决问题的一系列方法的简介？

麻省理工公开课 - 计算机科学及编程导论课程节选