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Name reuse makes code more difficult to read and maintain, which can result in security weaknesses. An automated tool can easily detect reuse of identifiers in containing scopes.
Automated Detection
| Tool | Version | Checker | Description | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Parasoft Jtest |
| CERT.DCL51.HMF | Do not give method local variables and parameters the same name as class fields | ||||||
| SonarQube |
| HiddenFieldCheck |
Bibliography
Puzzle 67, "All Strung Out" | |
Item 16, "Prefer Interfaces to Abstract Classes" | |
§6.3, "Placement" | |
[JLS 2013] | §6.4.1, "Shadowing" |
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