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7166055: Javadoc for WeakHashMap contains misleading advice

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Reviewed-by: dholmes, mduigou
This commit is contained in:
Charles Lee 2012-06-04 16:30:35 +08:00
parent 59ccdc0fbc
commit ad2bdf4faa
1 changed files with 2 additions and 1 deletions
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jdk/src/share/classes/java/util/WeakHashMap.java
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@ -90,7 +90,8 @@ import java.lang.ref.ReferenceQueue;
* from being discarded. Note that a value object may refer indirectly to its
* key via the <tt>WeakHashMap</tt> itself; that is, a value object may
* strongly refer to some other key object whose associated value object, in
* turn, strongly refers to the key of the first value object. One way
* turn, strongly refers to the key of the first value object. If the values
* in the map do not rely on the map holding strong references to them, one way
* to deal with this is to wrap values themselves within
* <tt>WeakReferences</tt> before
* inserting, as in: <tt>m.put(key, new WeakReference(value))</tt>,