Returns the thread last set by {@code setExclusiveOwnerThread}, or {@code null} if never set. This method does not otherwise impose any synchronization or {@code volatile} field accesses. @return the owner thread
See Implementation
Returns the thread last set by {@code setExclusiveOwnerThread}, or {@code null} if never set. This method does not otherwise impose any synchronization or {@code volatile} field accesses. @return the owner thread