diff --git a/src/java.base/share/classes/java/lang/ref/PhantomReference.java b/src/java.base/share/classes/java/lang/ref/PhantomReference.java index ce654161ac0..9aba41feb02 100644 --- a/src/java.base/share/classes/java/lang/ref/PhantomReference.java +++ b/src/java.base/share/classes/java/lang/ref/PhantomReference.java @@ -43,6 +43,8 @@ *

In order to ensure that a reclaimable object remains so, the referent of * a phantom reference may not be retrieved: The {@code get} method of a * phantom reference always returns {@code null}. + * The {@link #refersTo(Object) refersTo} method can be used to test + * whether some object is the referent of a phantom reference. * * @author Mark Reinhold * @since 1.2 @@ -75,9 +77,7 @@ public T get() { * is registered with the given queue. * *

It is possible to create a phantom reference with a {@code null} - * queue, but such a reference is completely useless: Its {@code get} - * method will always return {@code null} and, since it does not have a queue, - * it will never be enqueued. + * queue. Such a reference will never be enqueued. * * @param referent the object the new phantom reference will refer to * @param q the queue with which the reference is to be registered,