It would be better either to return an unmodifiable List or clone the array before returning.

返回一个不可修改的List或者在返回之前克隆该数组可能更好。

youdao

It would be better either to return an unmodifiable List or clone the array before returning.

返回一个不可修改的List或者在返回之前克隆该数组可能更好。

youdao