[![][travis img]][travis]
[![][coverage img]][coverage]
[![][mavenbadge img]][mavenbadge]
[![][versioneye img]][versioneye]
[![][sonar img]][sonar]

![](https://raw.githubusercontent.com/checkstyle/checkstyle/master/src/site/resources/images/logo.png)

Checkstyle is a tool for
checking Java source code for adherence to a Code Standard or set of validation rules (best practices).

The latest version can be found at [SourceForge downloads](https://sourceforge.net/projects/checkstyle/files/checkstyle/) or at [Maven repo](http://repo1.maven.org/maven2/com/puppycrawl/tools/checkstyle/).

Documentation is available in HTML format, see http://checkstyle.sourceforge.net/checks.html.

Continuous integration and Quality reports
======================
Travis: [![][travis img]][travis]

Quality reports: http://checkstyle.sourceforge.net/project-reports.html

Feedback/Support
========

Please send any feedback to https://groups.google.com/forum/?hl=en#!forum/checkstyle

Questions and Answers from community: http://stackoverflow.com/questions/tagged/checkstyle

Bugs and Feature requests: https://github.com/checkstyle/checkstyle/issues

Licensing
=========

[![][license img]][license]

This software is licensed under the terms in the file named "LICENSE" in this
directory.

The software uses the ANTLR package (http://www.antlr.org). Its license terms
are in the file named "RIGHTS.antlr" in this directory.

This product includes software developed by
The Apache Software Foundation (http://www.apache.org/).

The software uses the Cli, Logging and Beanutils packages from the
Apache Commons project (http://commons.apache.org/). The license terms
of these packages are in the file named "LICENSE.apache20" in this
directory.

The software uses the Google Guava Libraries
(https://code.google.com/p/guava-libraries/). The license terms of
these packages are in the file named "LICENSE.apache20" in this
directory.


[travis]:http://travis-ci.org/checkstyle/checkstyle
[travis img]:https://secure.travis-ci.org/checkstyle/checkstyle.png

[sonar]:http://nemo.sonarqube.org/dashboard/index/com.puppycrawl.tools:checkstyle
[sonar img]:https://dev.eclipse.org/sonar/images/sonarqube-24x100.png

[coverage]:https://coveralls.io/r/checkstyle/checkstyle
[coverage img]:https://coveralls.io/repos/checkstyle/checkstyle/badge.png

[license]:LICENSE
[license img]:https://img.shields.io/badge/license-GNU%20LGPL%20v2.1-blue.svg

[mavenbadge]:http://search.maven.org/#search|gav|1|g%3A%22com.puppycrawl.tools%22%20AND%20a%3A%22checkstyle%22
[mavenbadge img]:https://maven-badges.herokuapp.com/maven-central/com.puppycrawl.tools/checkstyle/badge.svg

[versioneye]:https://www.versioneye.com/user/projects/5504ca834a1064774400049a
[versioneye img]:https://www.versioneye.com/user/projects/5504ca834a1064774400049a/badge.svg