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<a class="navbar-brand fas fa-home fa-lg" href="index.html">&nbsp;<span class="projectTitle"> PMD Source Code Analyzer Project</span></a>
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<li class="sidebarTitle">PMD 7.8.0-SNAPSHOT</li>
<div class="sidebarTitleDate">Release date: 29-November-2024</div>
<li>
<a href="#">About</a>
<ul>
<li><a href="index.html">Home</a></li>
<li><a href="pmd_release_notes.html">Release notes</a></li>
<li><a href="pmd_release_notes_pmd7.html">Release notes (PMD 7)</a></li>
<li><a href="pmd_about_help.html">Getting help</a></li>
<li><a href="pmd_about_release_policies.html">Release policies</a></li>
<li><a href="pmd_about_support_lifecycle.html">Support lifecycle</a></li>
</ul>
</li>
<li>
<a href="#">User Documentation</a>
<ul>
<li><a href="pmd_userdocs_migrating_to_pmd7.html">Migration Guide for PMD 7</a></li>
<li><a href="pmd_userdocs_installation.html">Installation and basic CLI usage</a></li>
<li><a href="pmd_userdocs_making_rulesets.html">Making rulesets</a></li>
<li><a href="pmd_userdocs_configuring_rules.html">Configuring rules</a></li>
<li><a href="pmd_userdocs_best_practices.html">Best practices</a></li>
<li><a href="pmd_userdocs_suppressing_warnings.html">Suppressing warnings</a></li>
<li><a href="pmd_userdocs_incremental_analysis.html">Incremental analysis</a></li>
<li><a href="pmd_userdocs_cli_reference.html">PMD CLI reference</a></li>
<li><a href="pmd_userdocs_report_formats.html">PMD Report formats</a></li>
<li><a href="pmd_userdocs_3rdpartyrulesets.html">3rd party rulesets</a></li>
<li class="subfolders">
<a href="#">CPD reference</a>
<ul>
<li><a href="pmd_userdocs_cpd.html">Copy-paste detection</a></li>
<li><a href="pmd_userdocs_cpd_report_formats.html">CPD Report formats</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Extending PMD</a>
<ul>
<li><a href="pmd_userdocs_extending_writing_rules_intro.html">Introduction to writing rules</a></li>
<li><a href="pmd_userdocs_extending_your_first_rule.html">Your first rule</a></li>
<li><a href="pmd_userdocs_extending_writing_xpath_rules.html">XPath rules</a></li>
<li><a href="pmd_userdocs_extending_writing_java_rules.html">Java rules</a></li>
<li><a href="pmd_userdocs_extending_designer_reference.html">Rule designer reference</a></li>
<li><a href="pmd_userdocs_extending_defining_properties.html">Defining rule properties</a></li>
<li><a href="pmd_userdocs_extending_rule_guidelines.html">Rule guidelines</a></li>
<li><a href="pmd_userdocs_extending_testing.html">Testing your rules</a></li>
<li><a href="pmd_userdocs_extending_ast_dump.html">Creating (XML) dump of the AST</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Tools / Integrations</a>
<ul>
<li><a href="pmd_userdocs_tools_maven.html">Maven PMD Plugin</a></li>
<li><a href="pmd_userdocs_tools_gradle.html">Gradle</a></li>
<li><a href="pmd_userdocs_tools_ant.html">Ant</a></li>
<li><a href="pmd_userdocs_tools_java_api.html">PMD Java API</a></li>
<li><a href="pmd_userdocs_tools_bld.html">bld PMD Extension</a></li>
<li><a href="pmd_userdocs_tools_ci.html">CI integrations</a></li>
<li><a href="pmd_userdocs_tools.html">Other Tools / Integrations</a></li>
</ul>
</li>
</ul>
</li>
<li>
<a href="#">Rule Reference</a>
<ul>
<li class="subfolders">
<a href="#">Apex Rules</a>
<ul>
<li><a href="pmd_rules_apex.html">Index</a></li>
<li><a href="pmd_rules_apex_bestpractices.html">Best Practices</a></li>
<li><a href="pmd_rules_apex_codestyle.html">Code Style</a></li>
<li><a href="pmd_rules_apex_design.html">Design</a></li>
<li><a href="pmd_rules_apex_documentation.html">Documentation</a></li>
<li><a href="pmd_rules_apex_errorprone.html">Error Prone</a></li>
<li><a href="pmd_rules_apex_performance.html">Performance</a></li>
<li><a href="pmd_rules_apex_security.html">Security</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">HTML Rules</a>
<ul>
<li><a href="pmd_rules_html.html">Index</a></li>
<li><a href="pmd_rules_html_bestpractices.html">Best Practices</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Java Rules</a>
<ul>
<li><a href="pmd_rules_java.html">Index</a></li>
<li><a href="pmd_rules_java_bestpractices.html">Best Practices</a></li>
<li><a href="pmd_rules_java_codestyle.html">Code Style</a></li>
<li><a href="pmd_rules_java_design.html">Design</a></li>
<li><a href="pmd_rules_java_documentation.html">Documentation</a></li>
<li><a href="pmd_rules_java_errorprone.html">Error Prone</a></li>
<li><a href="pmd_rules_java_multithreading.html">Multithreading</a></li>
<li><a href="pmd_rules_java_performance.html">Performance</a></li>
<li><a href="pmd_rules_java_security.html">Security</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Java Server Pages Rules</a>
<ul>
<li><a href="pmd_rules_jsp.html">Index</a></li>
<li><a href="pmd_rules_jsp_bestpractices.html">Best Practices</a></li>
<li><a href="pmd_rules_jsp_codestyle.html">Code Style</a></li>
<li><a href="pmd_rules_jsp_design.html">Design</a></li>
<li><a href="pmd_rules_jsp_errorprone.html">Error Prone</a></li>
<li><a href="pmd_rules_jsp_security.html">Security</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">JavaScript Rules</a>
<ul>
<li><a href="pmd_rules_ecmascript.html">Index</a></li>
<li><a href="pmd_rules_ecmascript_bestpractices.html">Best Practices</a></li>
<li><a href="pmd_rules_ecmascript_codestyle.html">Code Style</a></li>
<li><a href="pmd_rules_ecmascript_errorprone.html">Error Prone</a></li>
<li><a href="pmd_rules_ecmascript_performance.html">Performance</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Kotlin Rules</a>
<ul>
<li><a href="pmd_rules_kotlin.html">Index</a></li>
<li><a href="pmd_rules_kotlin_bestpractices.html">Best Practices</a></li>
<li><a href="pmd_rules_kotlin_errorprone.html">Error Prone</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Maven POM Rules</a>
<ul>
<li><a href="pmd_rules_pom.html">Index</a></li>
<li><a href="pmd_rules_pom_errorprone.html">Error Prone</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Modelica Rules</a>
<ul>
<li><a href="pmd_rules_modelica.html">Index</a></li>
<li><a href="pmd_rules_modelica_bestpractices.html">Best Practices</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">PLSQL Rules</a>
<ul>
<li><a href="pmd_rules_plsql.html">Index</a></li>
<li><a href="pmd_rules_plsql_bestpractices.html">Best Practices</a></li>
<li><a href="pmd_rules_plsql_codestyle.html">Code Style</a></li>
<li><a href="pmd_rules_plsql_design.html">Design</a></li>
<li><a href="pmd_rules_plsql_errorprone.html">Error Prone</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Salesforce Visualforce Rules</a>
<ul>
<li><a href="pmd_rules_visualforce.html">Index</a></li>
<li><a href="pmd_rules_visualforce_security.html">Security</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Scala Rules</a>
<ul>
<li><a href="pmd_rules_scala.html">Index</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Swift Rules</a>
<ul>
<li><a href="pmd_rules_swift.html">Index</a></li>
<li><a href="pmd_rules_swift_bestpractices.html">Best Practices</a></li>
<li><a href="pmd_rules_swift_errorprone.html">Error Prone</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Velocity Template Language (VTL) Rules</a>
<ul>
<li><a href="pmd_rules_velocity.html">Index</a></li>
<li><a href="pmd_rules_velocity_bestpractices.html">Best Practices</a></li>
<li><a href="pmd_rules_velocity_design.html">Design</a></li>
<li><a href="pmd_rules_velocity_errorprone.html">Error Prone</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">WSDL Rules</a>
<ul>
<li><a href="pmd_rules_wsdl.html">Index</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">XML Rules</a>
<ul>
<li><a href="pmd_rules_xml.html">Index</a></li>
<li><a href="pmd_rules_xml_bestpractices.html">Best Practices</a></li>
<li><a href="pmd_rules_xml_errorprone.html">Error Prone</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">XSL Rules</a>
<ul>
<li><a href="pmd_rules_xsl.html">Index</a></li>
<li><a href="pmd_rules_xsl_codestyle.html">Code Style</a></li>
<li><a href="pmd_rules_xsl_performance.html">Performance</a></li>
</ul>
</li>
</ul>
</li>
<li>
<a href="#">Language-Specific Documentation</a>
<ul>
<li><a href="pmd_languages_index.html">Overview</a></li>
<li><a href="pmd_languages_configuration.html">Language configuration</a></li>
<li><a href="pmd_languages_apex.html">Apex</a></li>
<li><a href="pmd_languages_cpp.html">C/C++</a></li>
<li><a href="pmd_languages_cs.html">C#</a></li>
<li><a href="pmd_languages_coco.html">Coco</a></li>
<li><a href="pmd_languages_dart.html">Dart</a></li>
<li><a href="pmd_languages_fortran.html">Fortran</a></li>
<li><a href="pmd_languages_gherkin.html">Gherkin</a></li>
<li><a href="pmd_languages_go.html">Go</a></li>
<li><a href="pmd_languages_html.html">HTML</a></li>
<li><a href="pmd_languages_java.html">Java</a></li>
<li><a href="pmd_languages_js_ts.html">JavaScript / TypeScript</a></li>
<li><a href="pmd_languages_jsp.html">JSP</a></li>
<li><a href="pmd_languages_julia.html">Julia</a></li>
<li><a href="pmd_languages_kotlin.html">Kotlin</a></li>
<li><a href="pmd_languages_lua.html">Lua</a></li>
<li><a href="pmd_languages_matlab.html">Matlab</a></li>
<li><a href="pmd_languages_modelica.html">Modelica</a></li>
<li><a href="pmd_languages_objectivec.html">Objective-C</a></li>
<li><a href="pmd_languages_perl.html">Perl</a></li>
<li><a href="pmd_languages_php.html">PHP</a></li>
<li><a href="pmd_languages_plsql.html">PLSQL</a></li>
<li><a href="pmd_languages_python.html">Python</a></li>
<li><a href="pmd_languages_ruby.html">Ruby</a></li>
<li><a href="pmd_languages_scala.html">Scala</a></li>
<li><a href="pmd_languages_swift.html">Swift</a></li>
<li><a href="pmd_languages_tsql.html">T-SQL</a></li>
<li><a href="pmd_languages_visualforce.html">Visualforce</a></li>
<li><a href="pmd_languages_velocity.html">Velocity Template Language (VTL)</a></li>
<li><a href="pmd_languages_xml.html">XML and XML dialects</a></li>
</ul>
</li>
<li>
<a href="#">Developer Documentation</a>
<ul>
<li><a href="pmd_devdocs_development.html">Developer resources</a></li>
<li><a href="pmd_devdocs_building.html">Building PMD from source</a></li>
<li><a href="https://github.com/pmd/pmd/blob/main/CONTRIBUTING.md" target="_blank">Contributing</a></li>
<li><a href="pmd_devdocs_writing_documentation.html">Writing documentation</a></li>
<li><a href="pmd_devdocs_roadmap.html">Roadmap</a></li>
<li><a href="pmd_devdocs_how_pmd_works.html">How PMD works</a></li>
<li><a href="pmd_devdocs_pmdtester.html">Pmdtester</a></li>
<li><a href="pmd_devdocs_rule_deprecation_policy.html">Rule Deprecation Policy</a></li>
<li class="subfolders">
<a href="#">Major contributions</a>
<ul>
<li><a href="pmd_devdocs_major_rule_guidelines.html">Rule Guidelines</a></li>
<li><a href="pmd_devdocs_major_adding_new_language_javacc.html">Adding a new language (JavaCC)</a></li>
<li><a href="pmd_devdocs_major_adding_new_language_antlr.html">Adding a new language (ANTLR)</a></li>
<li><a href="pmd_devdocs_major_adding_new_cpd_language.html">Adding a new CPD language</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Experimental features</a>
<ul>
<li><a href="tag_experimental.html">List of experimental Features</a></li>
</ul>
</li>
</ul>
</li>
<li>
<a href="#">Project documentation</a>
<ul>
<li class="subfolders">
<a href="#">Trivia about PMD</a>
<ul>
<li><a href="pmd_projectdocs_trivia_news.html">PMD in the press</a></li>
<li><a href="pmd_projectdocs_trivia_products.html">Products & books related to PMD</a></li>
<li><a href="pmd_projectdocs_trivia_similarprojects.html">Similar projects</a></li>
<li><a href="pmd_projectdocs_trivia_meaning.html">What does 'PMD' mean?</a></li>
</ul>
</li>
<li><a href="pmd_projectdocs_logo.html">Logo</a></li>
<li><a href="pmd_projectdocs_faq.html">FAQ</a></li>
<li><a href="license.html">License</a></li>
<li><a href="pmd_projectdocs_credits.html">Credits</a></li>
<li><a href="pmd_release_notes_old.html">Old release notes</a></li>
<li><a href="pmd_projectdocs_decisions.html">Decisions</a></li>
<li class="subfolders">
<a href="#">Project management</a>
<ul>
<li><a href="pmd_projectdocs_committers_infrastructure.html">Infrastructure</a></li>
<li><a href="pmd_projectdocs_committers_releasing.html">Release process</a></li>
<li><a href="pmd_projectdocs_committers_merging_pull_requests.html">Merging pull requests</a></li>
<li><a href="pmd_projectdocs_committers_main_landing_page.html">Main Landing page</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
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» User documentation
<a
target="_blank"
href="https://github.com/pmd/pmd/blob/main/docs/pages/tags/tag_userdocs.md"
class="float-right"
role="button"
><i class="fab fa-github fa-lg"></i> Edit on GitHub</a
>
</div>
</div>
<hr />
</header>
<div class="post-header">
<h1 class="post-title-main">User documentation</h1>
</div>
<div class="post-content" data-github-edit-url="https://github.com/pmd/pmd/blob/main/docs/pages/tags/tag_userdocs.md">
<details id="inline-toc-details">
<summary>Table of Contents</summary>
<div id="inline-toc"><!-- empty, move TOC here when screen size too small --></div>
</details>
<p>The following pages and posts are tagged with <button type="button" style="cursor: default" class="btn btn-outline-secondary navbar-btn">userdocs</button></p>
<table><thead><tr><th>Title</th><th>Type</th><th>Excerpt</th></tr></thead>
<tbody>
<tr><td><a href="pmd_userdocs_3rdpartyrulesets.html">3rd party rulesets</a></td>
<td><span class="label label-default">Page</span></td>
<td> Lists rulesets and rules from the community </td>
</tr>
<tr><td><a href="pmd_userdocs_tools_ant.html">Ant Task Usage</a></td>
<td><span class="label label-default">Page</span></td>
<td> PMD Description Runs a set of static code analysis rules on some source code files and generates a list of problems found. Installation Before you can use the pmd task in your ant build.xml file, you need to install PMD and its libraries... </td>
</tr>
<tr><td><a href="pmd_userdocs_extending_ast_dump.html">Creating XML dump of the AST</a></td>
<td><span class="label label-default">Page</span></td>
<td> Creating a XML representation of the AST allows to analyze the AST with other tools. </td>
</tr>
<tr><td><a href="pmd_userdocs_best_practices.html">Best Practices</a></td>
<td><span class="label label-default">Page</span></td>
<td> Choose the rules that are right for you Running every existing rule will result in a huge number of rule violations, most of which will be unimportant. Having to sort through a thousand line report to find the few youre really interested in takes all the fun out of... </td>
</tr>
<tr><td><a href="pmd_userdocs_tools_bld.html">bld PMD Extension</a></td>
<td><span class="label label-default">Page</span></td>
<td> bld is a new build system that allows you to write your build logic in pure Java. It has a PMD Extension for it. To install, please refer to the extensions documentation. To check all source code using the java quickstart rule, add the... </td>
</tr>
<tr><td><a href="pmd_userdocs_tools_ci.html">Continuous Integrations plugins</a></td>
<td><span class="label label-default">Page</span></td>
<td> Introduction PMD can be integrated through some of the Continuous Integration tools that exist now. Here is a list of known (to us) plugin to do so. Jenkins Plugin Ullrich Hafner developed the Warnings Next Generation plugin for Jenkins. It supports PMD among many other linting... </td>
</tr>
<tr><td><a href="pmd_userdocs_cli_reference.html">PMD CLI reference</a></td>
<td><span class="label label-default">Page</span></td>
<td> Full reference for PMD's command-line interface, including options, output formats and supported languages </td>
</tr>
<tr><td><a href="pmd_userdocs_configuring_rules.html">Configuring rules</a></td>
<td><span class="label label-default">Page</span></td>
<td> Learn how to configure your rules directly from the ruleset XML. </td>
</tr>
<tr><td><a href="pmd_userdocs_cpd.html">Finding duplicated code with CPD</a></td>
<td><span class="label label-default">Page</span></td>
<td> Learn how to use CPD, the copy-paste detector shipped with PMD. </td>
</tr>
<tr><td><a href="pmd_userdocs_cpd_report_formats.html">Report formats for CPD</a></td>
<td><span class="label label-default">Page</span></td>
<td> Overview of the built-in report formats for CPD </td>
</tr>
<tr><td><a href="pmd_userdocs_extending_defining_properties.html">Defining rule properties</a></td>
<td><span class="label label-default">Page</span></td>
<td> Learn how to define your own properties both for Java and XPath rules. </td>
</tr>
<tr><td><a href="pmd_userdocs_extending_designer_reference.html">The rule designer</a></td>
<td><span class="label label-default">Page</span></td>
<td> Learn about the usage and features of the rule designer. </td>
</tr>
<tr><td><a href="pmd_userdocs_tools_gradle.html">Gradle</a></td>
<td><span class="label label-default">Page</span></td>
<td> The Gradle Build Tool provides a PMD Plugin that can be added to your build configuration. Technically it is based on the Ant Task. Example In your build.gradle add the following: plugins { id 'pmd' } Custom ruleset... </td>
</tr>
<tr><td><a href="pmd_userdocs_incremental_analysis.html">Incremental Analysis</a></td>
<td><span class="label label-default">Page</span></td>
<td> Explains how to use incremental analysis to speed up analysis </td>
</tr>
<tr><td><a href="pmd_userdocs_installation.html">Installation and basic CLI usage</a></td>
<td><span class="label label-default">Page</span></td>
<td> Sums up the first steps to set up a CLI installation and get started using PMD </td>
</tr>
<tr><td><a href="pmd_userdocs_tools_java_api.html">PMD Java API</a></td>
<td><span class="label label-default">Page</span></td>
<td> The easiest way to run PMD is to just use a build plugin in your favorite build tool like Apache Ant, Apache Maven or Gradle. There are also many integrations for IDEs available, see Tools. If you have your own build tool or want to integrate... </td>
</tr>
<tr><td><a href="pmd_userdocs_making_rulesets.html">Making rulesets</a></td>
<td><span class="label label-default">Page</span></td>
<td> A ruleset is an XML configuration file, which describes a collection of rules to be executed in a PMD run. PMD includes built-in rulesets to run quick analys... </td>
</tr>
<tr><td><a href="pmd_userdocs_tools_maven.html">Maven PMD Plugin</a></td>
<td><span class="label label-default">Page</span></td>
<td> Maven 2 and 3 Running the pmd plugin Choosing the plugin version When adding the maven-pmd-plugin to your pom.xml, you need to select a version. To figure out the latest available version, have a look at the official maven-pmd-plugin documentation. As of June 2024 (7.3.0), the... </td>
</tr>
<tr><td><a href="pmd_userdocs_migrating_to_pmd7.html">Migration Guide for PMD 7</a></td>
<td><span class="label label-default">Page</span></td>
<td> Migrating to PMD 7 from PMD 6.x </td>
</tr>
<tr><td><a href="pmd_userdocs_report_formats.html">Report formats for PMD</a></td>
<td><span class="label label-default">Page</span></td>
<td> Overview of the built-in report formats for PMD </td>
</tr>
<tr><td><a href="pmd_userdocs_extending_rule_guidelines.html">Rule guidelines</a></td>
<td><span class="label label-default">Page</span></td>
<td> Rule Guidelines, or the last touches to a rule </td>
</tr>
<tr><td><a href="pmd_userdocs_suppressing_warnings.html">Suppressing warnings</a></td>
<td><span class="label label-default">Page</span></td>
<td> Learn how to suppress some rule violations, from the source code using annotations or comments, or globally from the ruleset </td>
</tr>
<tr><td><a href="pmd_userdocs_extending_testing.html">Testing your rules</a></td>
<td><span class="label label-default">Page</span></td>
<td> Learn how to use PMD's simple test framework for unit testing rules. </td>
</tr>
<tr><td><a href="pmd_userdocs_tools.html">Tools / Integrations</a></td>
<td><span class="label label-default">Page</span></td>
<td> ## Automated Code Review {% include note.html content="The tools are listed in alphabetical order without rating." %} ### Codacy [Codacy](https://www.codacy.com/) automates code reviews and monitors code quality on every commit and pull request. It gives visibility into the technical debt and can track code style and security issues, code coverage,... </td>
</tr>
<tr><td><a href="pmd_userdocs_extending_writing_java_rules.html">Writing a custom rule</a></td>
<td><span class="label label-default">Page</span></td>
<td> Learn how to write a custom rule for PMD </td>
</tr>
<tr><td><a href="pmd_userdocs_extending_writing_pmd_rules.html">Writing a custom rule</a></td>
<td><span class="label label-default">Page</span></td>
<td> The information on this page has been split into several separate pages. Please update your bookmarks: * [Introduction to writing rules](pmd_userdocs_extending_writing_rules_intro.html) * [Your First Rule](pmd_userdocs_extending_your_first_rule.html) introduces the basic development process of a rule with a running example * [Writing XPath Rules](pmd_userdocs_extending_writing_xpath_rules.html) explains a bit more about XPath rules and our... </td>
</tr>
<tr><td><a href="pmd_userdocs_extending_writing_rules_intro.html">Introduction to writing PMD rules</a></td>
<td><span class="label label-default">Page</span></td>
<td> Writing your own PMD rules </td>
</tr>
<tr><td><a href="pmd_userdocs_extending_writing_xpath_rules.html">Writing XPath rules</a></td>
<td><span class="label label-default">Page</span></td>
<td> This page describes XPath rule support in more details </td>
</tr>
<tr><td><a href="pmd_userdocs_extending_your_first_rule.html">Your first rule</a></td>
<td><span class="label label-default">Page</span></td>
<td> Introduction to rule writing through an example for a XPath rule. </td>
</tr>
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