pmd/BUILDING.md

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# How to build PMD
PMD uses [Maven](https://maven.apache.org/) and requires at least Java 10 for building.
You can get Java 10 from [Oracle](http://www.oracle.com/technetwork/java/javase/downloads/index.html)
or from the [OpenJDK Project](http://jdk.java.net).
PMD uses the [maven wrapper](https://github.com/takari/maven-wrapper), so you can simply build PMD as following:
* `./mvnw clean verify` (on Unix-like platform such as Linux and Mac OS X)
* `mvnw.cmd clean verify` (on Windows)
This will create the zip files in the directory `pmd-dist/target`:
cd pmd-dist/target
ls *.zip
That's all !
**Note:** While Java 9 is required for building, running PMD only requires Java 7 (or Java 8 for Apex).
## How to build the documentation?
cd docs
bundle install # once
bundle exec jekyll build
You'll find the built site in the directory `_site/`.
For more info, see [README in docs directory](docs/README.md).