Listing 7 shows an example of code that does not change as new ways of loading users become available and are implemented.

清单7显示了一个代码示例，在实现了加载用户的新方法后并没有进行更改。

youdao

Listing 7 shows an example of code that does not change as new ways of loading users become available and are implemented.

清单7显示了一个代码示例，在实现了加载用户的新方法后并没有进行更改。

youdao