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 or at Maven repo.

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

Continuous integration and Quality reports

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

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.