The PhantomReference class is useful only to track the impending collection of the referring object.

phantomreference类只能用于跟踪对被引用对象即将进行的收集。

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The PhantomReference class is useful only to track the impending collection of the referring object.

phantomreference类只能用于跟踪对被引用对象即将进行的收集。

youdao