pmd/README.md

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# PMD
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[![Build Status](https://travis-ci.org/pmd/pmd.svg?branch=master)](https://travis-ci.org/pmd/pmd)
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[![Coverage Status](https://coveralls.io/repos/github/pmd/pmd/badge.svg)](https://coveralls.io/github/pmd/pmd)
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[![Codacy Badge](https://api.codacy.com/project/badge/Grade/a674ee8642ed44c6ba7633626ee95967)](https://www.codacy.com/app/pmd/pmd?utm_source=github.com&utm_medium=referral&utm_content=pmd/pmd&utm_campaign=Badge_Grade)
## About
**PMD** is a source code analyzer. It finds common programming flaws like unused variables, empty catch blocks,
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unnecessary object creation, and so forth. It supports Java, JavaScript, Salesforce.com Apex and Visualforce, PLSQL, Apache Velocity,
XML, XSL.
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Additionally it includes **CPD**, the copy-paste-detector. CPD finds duplicated code in
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C/C++, C#, Dart, Fortran, Go, Groovy, Java, JavaScript, JSP, Kotlin, Matlab,
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Objective-C, Perl, PHP, PLSQL, Python, Ruby, Salesforce.com Apex, Scala, Swift and Visualforce.
## Source and Documentation
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Our latest source of PMD can be found on [GitHub](https://github.com/pmd/pmd). Fork us!
* [How to build PMD](BUILDING.md)
* [How to contribute to PMD](CONTRIBUTING.md)
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The rule designer is developed over at [pmd/pmd-designer](https://github.com/pmd/pmd-designer).
Please see [its README](https://github.com/pmd/pmd-designer#contributing) for
developer documentation.
## News and Website
More information can be found on our [Website](https://pmd.github.io) and on [SourceForge](https://sourceforge.net/projects/pmd/).