As you can see, though, it takes a lot more to implement the Iterable interface manually than simply extending a class that does this work for you.

但是，您可以看到，与扩展一个现成的类来完成同样的工作相比，手动实现Iterable接口需要做的工作多得多。

youdao

As you can see, though, it takes a lot more to implement the Iterable interface manually than simply extending a class that does this work for you.

但是，您可以看到，与扩展一个现成的类来完成同样的工作相比，手动实现Iterable接口需要做的工作多得多。

youdao