Class Summary Class Description CaseInsensitiveKeyMap<V>A Map implementation that uses case-insensitive (using
Locale.ENGLISH) strings as keys.
ConcurrentCache<K,V> ManagedConcurrentWeakHashMap<K,V>Concurrent hash map that holds its keys via weak references. SynchronizedQueue<T>This is intended as a (mostly) GC-free alternative to
ConcurrentLinkedQueuewhen the requirement is to create an unbounded queue with no requirement to shrink the queue.
SynchronizedStack<T>This is intended as a (mostly) GC-free alternative to
Stackwhen the requirement is to create a pool of re-usable objects with no requirement to shrink the pool.