Details
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Bug
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Status: Closed
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Major
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Resolution: Duplicate
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1.9
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None
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None
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None
Description
From the Collections#synchronizedCollection method:
* It is imperative that the user manually synchronize on the returned
* collection when traversing it via {@link Iterator}, {@link Spliterator}
* or {@link Stream}:
* <pre>
* Collection c = Collections.synchronizedCollection(myCollection);
* ...
* synchronized (c) {
* Iterator i = c.iterator(); // Must be in the synchronized block
* while (i.hasNext())
* foo(i.next());
* }
* </pre>
* Failure to follow this advice may result in non-deterministic behavior.