Stay organized with collections Save and categorize content based on your preferences.
java.lang.ref
Interfaces
| Cleanable | Cleanable represents an object and a cleaning action registered in a Cleaner.
|
Classes
| Cleaner | Cleaner manages a set of object references and corresponding cleaning actions.
|
| PhantomReference | Phantom reference objects, which are enqueued after the collector determines that their referents may otherwise be reclaimed. |
| Reference | Abstract base class for reference objects. |
| ReferenceQueue | Reference queues, to which registered reference objects are appended by the garbage collector after the appropriate reachability changes are detected. |
| SoftReference | Soft reference objects, which are cleared at the discretion of the garbage collector in response to memory demand. |
| WeakReference | Weak reference objects, which do not prevent their referents from being made finalizable, finalized, and then reclaimed. |
Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
Last updated 2025-02-10 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-10 UTC."],[],[]]
