| Name | Description | Type | Package | Framework |
| AbstractConcurrentDoubleKeyMap | Class | org.codehaus.groovy.util | Groovy | |
| AbstractConcurrentMap | Class | org.codehaus.groovy.util | Groovy | |
| AbstractConcurrentMap .Entry | Interface | org.codehaus.groovy.util.AbstractConcurrentMap | Groovy | |
| AbstractConcurrentMap .Segment | Class | org.codehaus.groovy.util.AbstractConcurrentMap | Groovy | |
| AbstractConcurrentMapBase | Class | org.codehaus.groovy.util | Groovy | |
| AbstractConcurrentMapBase .Entry | Interface | org.codehaus.groovy.util.AbstractConcurrentMapBase | Groovy | |
| AbstractConcurrentMapBase .Segment | Class | org.codehaus.groovy.util.AbstractConcurrentMapBase | Groovy | |
| ArrayIterator | Class | org.codehaus.groovy.util | Groovy | |
| ComplexKeyHashMap | Class | org.codehaus.groovy.util | Groovy | |
| ComplexKeyHashMap .Entry | Class | org.codehaus.groovy.util.ComplexKeyHashMap | Groovy | |
| ComplexKeyHashMap .EntryIterator | Interface | org.codehaus.groovy.util.ComplexKeyHashMap | Groovy | |
| DoubleKeyHashMap | Class | org.codehaus.groovy.util | Groovy | |
| DoubleKeyHashMap .Entry | Class | org.codehaus.groovy.util.DoubleKeyHashMap | Groovy | |
| FastArray | Class | org.codehaus.groovy.util | Groovy | |
| HashCodeHelper | A utility class to help calculate hashcode values using an algorithm similar to that outlined in | Class | org.codehaus.groovy.util | Groovy |
| LazyReference | Soft reference with lazy initialization under lockSee Also:Serialized Form | Class | org.codehaus.groovy.util | Groovy |
| ListHashMap | Class | org.codehaus.groovy.util | Groovy | |
| LockableObject | A bit simplified lock designed to be inherited by. | Class | org.codehaus.groovy.util | Groovy |
| ManagedConcurrentMap | Class | org.codehaus.groovy.util | Groovy | |
| ManagedConcurrentMap .Entry | Class | org.codehaus.groovy.util.ManagedConcurrentMap | Groovy | |
| ManagedConcurrentMap .EntryWithValue | Class | org.codehaus.groovy.util.ManagedConcurrentMap | Groovy | |
| ManagedConcurrentMap .Segment | Class | org.codehaus.groovy.util.ManagedConcurrentMap | Groovy | |
| ManagedConcurrentValueMap | This is a basic implementation of a map able to forget its values. | Class | org.codehaus.groovy.util | Groovy |
| ManagedDoubleKeyMap | Class | org.codehaus.groovy.util | Groovy | |
| ManagedDoubleKeyMap .Entry | Class | org.codehaus.groovy.util.ManagedDoubleKeyMap | Groovy | |
| ManagedLinkedList | This class provides a very simple linked list of memory managed elements. | Class | org.codehaus.groovy.util | Groovy |
| ManagedReference | Class | org.codehaus.groovy.util | Groovy | |
| Reference | Interface | org.codehaus.groovy.util | Groovy | |
| ReferenceBundle | Class | org.codehaus.groovy.util | Groovy | |
| ReferenceManager | Class | org.codehaus.groovy.util | Groovy | |
| ReferenceType | Class | org.codehaus.groovy.util | Groovy | |
| ReleaseInfo | Exposes the Groovy release informationAuthor:Roshan Dawrani | Class | org.codehaus.groovy.util | Groovy |
| SingleKeyHashMap | Class | org.codehaus.groovy.util | Groovy | |
| SingleKeyHashMap .Entry | Class | org.codehaus.groovy.util.SingleKeyHashMap | Groovy | |
| TripleKeyHashMap | Class | org.codehaus.groovy.util | Groovy | |
| TripleKeyHashMap .Entry | Class | org.codehaus.groovy.util.TripleKeyHashMap | Groovy | |