org.apache.tomcat.util.collections (Apache Tomcat 8.5.55 API Documentation)

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 `ConcurrentLinkedQueue` when 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 `ConcurrentLinkedQueue` when the requirement is to create a pool of re-usable objects with no requirement to shrink the pool.

Package org.apache.tomcat.util.collections