Quality:

Article "NullPointerException" in Japanese Wikipedia has 11.1 points for quality (as of July 1, 2025).
The article contains 2 references and 7 sections.
In June 2025 the article "NullPointerException" was edited by 1 authors in Japanese Wikipedia and written by 1 authors in all languages.
Since the creation of article "NullPointerException", its content was written by 30 registered users of Japanese Wikipedia and edited by 30 registered Wikipedia users in all languages.
The article is cited 11 times in Japanese Wikipedia and cited 11 times in all languages.
The highest Authors Interest rank from 2001:
- Local (Japanese): #1544 in March 2004
- Global: #36096 in March 2004
The highest popularity rank from 2008:
- Local (Japanese): #50620 in October 2012
- Global: #332470 in January 2008
There is 1 language version for this article in the WikiRank database (of the considered 55 Wikipedia language editions).
The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).