Pmd.github.io
PMD
PMD is a free, extensible tool that checks source code for bugs and code quality issues in Java, Apex, and other languages with 400+ built-in rules.
Catch code issues across multiple languages
PMD is a handy tool for developers looking to keep their code clean and error-free. It scans your source code for common issues such as unused variables, empty catch blocks, and unnecessary object creation. While it primarily focuses on Java and Apex, PMD supports over a dozen programming languages, making it versatile for different projects.
With more than 400 built-in rules, you can spot a wide range of coding problems right away. If you need something more specific, PMD lets you add custom rules in Java or via XPath queries. Whether you're working solo or as part of a team, PMD helps you maintain high code quality and avoid bugs before they become bigger problems.
The site makes it easy to get started with downloads for all major operating systems and thorough documentation. It's a great resource for anyone serious about improving their code quality and reducing technical debt.
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