# Extending Checkstyle

- About
- Checkstyle
- Documentation
- Release Notes
- Configuration
- Property Types
- Running
- Ant Task
- Command Line
- Available Checks
- Standard Checks
- Javadoc Comments
- Naming Conventions
- Headers
- Imports
- Size Violations
- Whitespace
- Modifiers
- Block Checks
- Coding
- Class Design
- Duplicate Code
- Metrics
- Miscellaneous
- Optional Checks
- J2EE Checks
- Extending Checkstyle
- Writing checks
- Writing filters
- Writing listeners
- Javadoc
- SourceForge
- Mailing Lists
- Bug Database
- Feature Requests
- Developers
- Project Page
- CVS Repository
- Contributing

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This section covers the ways that Checkstyle's behaviour can be extended, including writing your own checks.

Copyright © 2001-2005, Oliver Burn