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root/jsr166/jsr166/src/main/java/util/concurrent/ConcurrentMap.java

Comparing jsr166/src/main/java/util/concurrent/ConcurrentMap.java (file contents):
Revision 1.62 by jsr166, Thu Apr 30 18:53:51 2015 UTC vs.
Revision 1.63 by jsr166, Thu Apr 30 22:13:12 2015 UTC

#	Line 195 | Line 195 | public interface ConcurrentMap<K,V> exte
195		* Replaces the entry for a key only if currently mapped to some value.
196		* This is equivalent to, for this {@code map}:
197		* <pre> {@code
198	<	* if (map.containsKey(key)) {
198	>	* if (map.containsKey(key))
199		*   return map.put(key, value);
200	<	* } else {
201	<	*   return null;
202	<	* }}</pre>
200	>	* else
201	>	*   return null;}</pre>
202		*
203		* except that the action is performed atomically.
204		*

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