PMD 6.39.0
About
User Documentation
Rule Reference
- Apex Rules
  - Index
  - Best Practices
  - Code Style
  - Design
  - Documentation
  - Error Prone
  - Performance
  - Security
- Ecmascript Rules
- Java Rules
- Java Server Pages Rules
  - Index
  - Best Practices
  - Code Style
  - Design
  - Error Prone
  - Security
- Maven POM Rules
  - Index
  - Error Prone
- Modelica Rules
  - Index
  - Best Practices
- PLSQL Rules
- Salesforce VisualForce Rules
  - Index
  - Security
- VM Rules
- XML Rules
  - Index
  - Error Prone
- XSL Rules
Language Specific Documentation
Developer Documentation
Project documentation

Getting Help

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There are numerous ways of getting help:

Search for already existing questions on StackOverflow.
If you can’t find your problem, post a new question. Don’t forget to tag the question with pmd.
If you found a bug, please create a new github issue.
You can also ask questions on github discussions.
Or you can join the Mailing List or browse through the archives (archive1, archive2).
Of course, you can also directly jump to our source code on github.