Advanced
Java
Q79 / 100
What is a phantom reference in Java?
Correct! Well done.
Incorrect.
The correct answer is B) The weakest reference type; the referent has been finalized and enqueued in a ReferenceQueue but not yet reclaimed
B
Correct Answer
The weakest reference type; the referent has been finalized and enqueued in a ReferenceQueue but not yet reclaimed
Explanation
Phantom references are used for pre-mortem cleanup. PhantomReference.get() always returns null; you detect collection via the ReferenceQueue.
Progress
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