# Package org.codehaus.groovy.util

- Interface Summary
  Interface | Description
  --- | ---
  AbstractConcurrentMap.Entry |
  AbstractConcurrentMapBase.Entry |
  ComplexKeyHashMap.EntryIterator |
  Finalizable |
  Reference |
  SingleKeyHashMap.Copier |

- Class Summary
  Class | Description
  --- | ---
  AbstractConcurrentMap |
  AbstractConcurrentMap.Segment |
  AbstractConcurrentMapBase |
  AbstractConcurrentMapBase.Segment |
  ArrayIterator |
  CharSequenceReader | Reader implementation that can read from String, StringBuffer, StringBuilder, CharBuffer or GString.
  ComplexKeyHashMap |
  ComplexKeyHashMap.Entry |
  FastArray |
  HashCodeHelper | A utility class to help calculate hashcode values using an algorithm similar to that outlined in "Effective Java, Joshua Bloch, 2nd Edition".
  LazyReference | Soft reference with lazy initialization under lock
  ListHashMap | This class represents a Map that is optimized for a small number of entries.
  LockableObject | A bit simplified lock designed to be inherited by.
  ManagedConcurrentLinkedQueue | A queue that stores values wrapped in a Reference, the type of which is determined by the provided ReferenceBundle.
  ManagedConcurrentMap |
  ManagedConcurrentMap.Entry |
  ManagedConcurrentMap.EntryWithValue |
  ManagedConcurrentMap.Segment |
  ManagedConcurrentValueMap | This is a basic implementation of a map able to forget its values.
  ManagedLinkedList | This class provides a very simple linked list of memory managed elements.
  ManagedReference | @author Alex Tkachman
  ReferenceBundle |
  ReferenceManager |
  ReleaseInfo | Exposes the Groovy release information
  SingleKeyHashMap |
  SingleKeyHashMap.Entry |
  StringUtil | Provides Groovy with functionality similar to the unix tr command which translates a string replacing characters from a source set with characters from a replacement set.
  TripleKeyHashMap |
  TripleKeyHashMap.Entry |

- Enum Summary
  Enum | Description
  --- | ---
  ReferenceType |