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Automatic detection is straightforward; fixing the problem typically requires programmer intervention.
Automated Detection
| Tool | Version | Checker | Description | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Parasoft Jtest |
| CERT.MET55.COLNULL | Return empty arrays and collections instead of null | ||||||
| SonarQube |
| S1168 |
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Bibliography
| [Bloch 2008] | Item 43, "Return Empty Arrays or Collections, Not Nulls" |
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