No Collection class within java.util fulfills these requirements, but it's trivial to write one.

ut il中没有collection类能满足这些需求，但是编写一个这样的类很简单。

youdao

No Collection class within java.util fulfills these requirements, but it's trivial to write one.

ut il中没有collection类能满足这些需求，但是编写一个这样的类很简单。

youdao