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Use reference equality to determine whether two references point to the same object.
Automated Detection
| Tool | Version | Checker | Description | ||||||
|---|---|---|---|---|---|---|---|---|---|
| The Checker Framework |
| Interning Checker | Check for errors in equality testing and interning (see Chapter 5) | ||||||
| Parasoft Jtest |
| CERT.EXP50.UEIC | Do not use '==' or '!=' to compare objects | ||||||
| SonarQube |
| S1698 |
Bibliography
| [Bloch 2008] | Item 69, "Prefer Concurrency Utilities to wait and notify" |
ES, "Comparison of String Objects Using | |
[JLS 2013] | §3.10.5, "String Literals" |
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