Atoms of Confusion in Java

Chris Langhout, Maurício Aniche

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

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Abstract

Although writing code seems trivial at times, problems arise when humans misinterpret what the code actually does. One of the potential causes are "atoms of confusion", the smallest possible patterns of misinterpretable source code. Previous research has investigated the impact of atoms of confusion in C code. Results show that developers make significantly more mistakes in code where atoms are present.

In this paper, we replicate the work of Gopstein et al. to the Java language. After deriving a set of atoms of confusion for Java, we perform a two-phase experiment with 132 computer science students (i.e., novice developers).

Our results show that (i) participants are 2.7 up to 56 times more likely to make mistakes in code snippets affected by 7 out of the 14 studied atoms of confusion, and (2) when faced with both versions of the code snippets, participants perceived the version affected by the atom of confusion to be more confusing and/or less readable in 10 out of the 14 studied atoms of confusion.
Original languageEnglish
Title of host publication29th IEEE/ACM International Conference on Program Comprehension (ICPC 2021)
EditorsL. O'Conner
Place of PublicationPiscataway
PublisherIEEE
Pages25-35
Number of pages11
ISBN (Electronic)978-1-6654-1403-6
ISBN (Print)978-1-6654-1404-3
DOIs
Publication statusPublished - 2021
Event2021 IEEE/ACM 29th International Conference on Program Comprehension (ICPC) - Virtual at Madrid, Spain
Duration: 20 May 202121 May 2021
Conference number: 29th

Publication series

NameIEEE International Conference on Program Comprehension
Volume2021-May

Conference

Conference2021 IEEE/ACM 29th International Conference on Program Comprehension (ICPC)
Country/TerritorySpain
CityVirtual at Madrid
Period20/05/2121/05/21

Bibliographical note

Accepted author manuscript

Keywords

  • atoms of confusion
  • empirical software engineering
  • program comprehension
  • software engineering

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