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null pointer

a value indicating that a pointer does not refer to a valid object
Thing pointer Q19848926
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null pointer

Summary

null pointer is a pointer[1]. It draws 184 Wikipedia views per month (pointer category, ranking #1 of 1).[2]

Key Facts

  • null pointer's instance of is recorded as pointer[3].
  • null pointer's subclass of is recorded as null[4].
  • null pointer's Freebase ID is recorded as /m/012wkzmt[5].
  • null pointer's numeric value is recorded as {'amount': '+0'}[6].
  • null pointer's Stack Exchange tag is recorded as https://stackoverflow.com/tags/null-pointer[7].
  • null pointer's ScienceDirect topic ID is recorded as computer-science/null-pointer[8].

Why It Matters

null pointer draws 184 Wikipedia views per month (pointer category, ranking #1 of 1).[2] It has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[9]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [9] ↑ . Wikidata sitelinks. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). null pointer. Retrieved May 3, 2026, from https://4ort.xyz/entity/null-pointer
MLA “null pointer.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/null-pointer.
BibTeX @misc{4ortxyz_null-pointer_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{null pointer}}, year = {2026}, url = {https://4ort.xyz/entity/null-pointer}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): null pointer — https://4ort.xyz/entity/null-pointer (retrieved 2026-05-03)

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