fix javadoc in Cache.PUT_IF_ABSENT
@@ -451,7 +451,7 @@ public interface Cache<K, V> extends Closeable {
* @param expireAfterWrite the TTL(time to live) of the KV association
* @param timeUnit the time unit of expireAfterWrite
* @return SUCCESS if the specified key is not already associated with a value,
- * or EXISTS if the specified key is not already associated with a value,
+ * or EXISTS if the specified key is already associated with a value,
* or FAIL if error occurs.
*/
CacheResult PUT_IF_ABSENT(K key, V value, long expireAfterWrite, TimeUnit timeUnit);
