The code runs as expected, no compiler errors or issues and - most usefully - the code is self-documenting: the intention is clear.

代码的运行结果与预期一致，没有编译错误，最重要的是这段代码的可读性非常好：其意图是非常清晰的。

youdao

Essentially, the compiler replaces the self keyword with the enclosing class's name. It is almost like the following line.

基本上，编译器会用所包含类的名称替换self关键字。

youdao

Essentially, the compiler replaces the self keyword with the enclosing class's name. It is almost like the following line.

基本上，编译器会用所包含类的名称替换self关键字。

youdao