# Hierarchy For Package java.util.concurrent.locks

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - java.util.concurrent.locks.AbstractOwnableSynchronizer (implements java.io.Serializable)
    - java.util.concurrent.locks.AbstractQueuedLongSynchronizer (implements java.io.Serializable)
    - java.util.concurrent.locks.AbstractQueuedSynchronizer (implements java.io.Serializable)
  - java.util.concurrent.locks.AbstractQueuedLongSynchronizer.ConditionObject (implements java.util.concurrent.locks.Condition, java.io.Serializable)
  - java.util.concurrent.locks.AbstractQueuedSynchronizer.ConditionObject (implements java.util.concurrent.locks.Condition, java.io.Serializable)
  - java.util.concurrent.locks.LockSupport
  - java.util.concurrent.locks.ReentrantLock (implements java.util.concurrent.locks.Lock, java.io.Serializable)
  - java.util.concurrent.locks.ReentrantReadWriteLock (implements java.util.concurrent.locks.ReadWriteLock, java.io.Serializable)
  - java.util.concurrent.locks.ReentrantReadWriteLock.ReadLock (implements java.util.concurrent.locks.Lock, java.io.Serializable)
  - java.util.concurrent.locks.ReentrantReadWriteLock.WriteLock (implements java.util.concurrent.locks.Lock, java.io.Serializable)
  - java.util.concurrent.locks.StampedLock (implements java.io.Serializable)

## Interface Hierarchy

- java.util.concurrent.locks.Condition
- java.util.concurrent.locks.Lock
- java.util.concurrent.locks.ReadWriteLock