Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Weak reference

In computer programming, a weak reference is a reference that does not protect the referenced object from collection by a garbage collector, unlike a strong reference. An object referenced only by weak references – meaning "every chain of references that reaches the object includes at least one weak reference as a link" – is considered weakly reachable…

Applications, Examples & Uses

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around Weak reference. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

Uses

Garbage collection

Variations

Examples

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Weak reference

Nodes52
Edges51
Triples74
Avg. degree1.96
Density0.038462
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

Weak reference

Top relations

related to Java · 18
Weak reference → Android, Archived, August, CS1, Ethan, Garbage Collection'Nicholas, GC-managed, If, It, Java, Java Library, May, Plugging, RCache, Reference Objects, Retrieved October, Understanding Weak References, URL
related to Variations · 15
Weak reference → By, Each, For, GC, In, It, Java, JVM, On, ReferenceQueues, Some, The, The GC, This, Unlike
related to Garbage collection · 14
Weak reference → Apple's Cocoa, Boost, Document Object Model, DOM, For, Garbage, Groups, Indeed, Reference, Reference-counting, Since, There, This, Weak
related to Objective-C 2.0 · 11
Weak reference → All, ARC, GNUstep, In Objective-C, Lion, Mac OS, Objective-C, Older, The, Theweakreferences, Xcode
related to Python · 7
Weak reference → Drake Jr, January, PEP, Python, Python Enhancement Proposal, Weak, Weak References
related to Uses · 4
Weak reference → In, This, Weak, When
related to Examples · 3
Weak reference → Otherwise, This, Weak
is a · 1
Weak reference → reference that does not protect the referenced object from collection by a garbage collector
related to PHP · 1
Weak reference → Weak References

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

weak references reference object garbage objects strong java collection using memory one referenced cache python may phantom example used soft

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Weak referenceis areference that does not protect the referenced object from collection by a garbage collector0.90text
Weak referencerelated to ExamplesWeak0.60section
Weak referencerelated to ExamplesThis0.60section
Weak referencerelated to ExamplesOtherwise0.60section
Weak referencerelated to Garbage collectionGarbage0.60section
Weak referencerelated to Garbage collectionThere0.60section
Weak referencerelated to Garbage collectionReference0.60section
Weak referencerelated to Garbage collectionReference-counting0.60section
Weak referencerelated to Garbage collectionGroups0.60section
Weak referencerelated to Garbage collectionWeak0.60section
Weak referencerelated to Garbage collectionDocument Object Model0.60section
Weak referencerelated to Garbage collectionDOM0.60section

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.