Java源码阅读（七）—— ReentrantReadWriteLock

ReentrantReadWriteLock

    /** Inner class providing readlock */
    private final ReentrantReadWriteLock.ReadLock readerLock;

    /** Inner class providing writelock */
    private final ReentrantReadWriteLock.WriteLock writerLock;

    /** Performs all synchronization mechanics */
    final Sync sync;