# 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 |
  ArrayIterable | Allow an array to be used where an Iterable is expected.
  ArrayIterator | Allow an array to be used where an Iterator is expected.
  BooleanArrayIterator | Allow a boolean array to be used where an Iterator is expected.
  ByteArrayIterator | Allow a byte array to be used where an Iterator is expected.
  CharArrayIterator | Allow a char array to be used where an Iterator is expected.
  CharSequenceReader | Reader implementation that can read from String, StringBuffer, StringBuilder, CharBuffer or GString.
  ComplexKeyHashMap |
  ComplexKeyHashMap.Entry |
  DoubleArrayIterable | Allow a double array to be used where an Iterable is expected.
  DoubleArrayIterator | Allow a double array to be used where an Iterator is expected.
  FastArray |
  FloatArrayIterator | Allow a float array to be used where an Iterator is expected.
  HashCodeHelper | A utility class to help calculate hashcode values using an algorithm similar to that outlined in "Effective Java, Joshua Bloch, 2nd Edition".
  IntArrayIterable | Allow an int array to be used where an Iterable is expected.
  IntArrayIterator | Allow an int array to be used where an Iterator is expected.
  IteratorBufferedIterator | An implementation for BufferedIterator wraps Iterator.
  LazyReference | Soft reference with lazy initialization under lock
  ListBufferedIterator | An implementation for BufferedIterator wraps ListIterator.
  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.
  LongArrayIterable | Allow a long array to be used where an Iterable is expected.
  LongArrayIterator | Allow a long array to be used where an Iterator is expected.
  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 |
  ReferenceBundle |
  ReferenceManager |
  ReleaseInfo | Exposes the Groovy release information
  ShortArrayIterator | Allow a short array to be used where an Iterator is expected.
  SingleKeyHashMap |
  SingleKeyHashMap.Entry |
  StringUtil | String utility functions.
  TripleKeyHashMap |
  TripleKeyHashMap.Entry |
  URLStreams |

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