An up class的意思|示意

In Listing 6, I take the duplicated code in Listing 4 and reduce the duplication by using the Pull up method refactoring - extracting behavior from a larger method into an abstract class method.

在清单6中，我用了清单4中的重复代码，使用了Pull Up Method重构来降低重复度—将行为从较大方法提取到一个抽象类方法中。

If you don't know how to do yoga, you don't need to sign up for an expensive class. Your local library should have books on yoga, or even DVDs to get you started.

如果你不知道如何练瑜伽，你不用去报名费昂贵的学习班报名，你当地的图书馆应该有关于瑜伽的书籍，甚至是光碟，可让你轻松学会。

This use case is an extension of the bottom-up scenario with the added complexity of synchronizing existing class models in RSA with the new or modified information.

这个用例非常类似于自下而上场景，只是另外还需在RS a中用新的或被修改的信息同步已有的类模型。

Those repetitions make the application prone to minor errors (e.g., a mis-spelled class name would show up as an hard-to-debug error at runtime).

这些重复使应用易于出错(例如，一个拼写错误的类名可能在运行时显示为一个难于调试错误)。

Take up cognitive leisure activities. Learn a language, take up an instrument, take a class or work crosswords or puzzles.

进行一些认知的休闲活动。学习一门语言，练习一种乐器，上一门课程或者做字谜或难题。

An application class loader leak occurs when applications are restarted but their class loaders are not cleaned up.

当应用程序重启但它们的类加载器没有清理时，将发生应用程序类加载器泄露。