Concurrent « Collections Data Structure « Java

1.A version of Hashtable supporting concurrency for both retrievals and updates
2.A version of Hashtable that supports mostly-concurrent reading, but exclusive writing
3.Synchronized Queue
4.Concurrent Doubly LinkedList
5.Returns the parent of the specified URI.
6.A daemon thread that continuously dequeues Runnable instances from a queue and executes them.
7.Lazy Loading Reference
8.Utility class that provides a lazy initialization object wrapper.