Let's see an example of where some private variables will be useful. Consider this subroutine.

如下示例展示私有变量在哪里会很有用。

youdao

Instead, I create the class and quickly type the private variables I'll be using in the class, like those in Listing 1.

相反，我创建类并快速在类中输入私有变量，如清单1所示。

youdao

Instead, I create the class and quickly type the private variables I'll be using in the class, like those in Listing 1.

相反，我创建类并快速在类中输入私有变量，如清单1所示。

youdao