xgboost Agent Skills & AI Rules

# XGBoost4J: Distributed XGBoost for Scala/Java
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[Documentation](https://xgboost.readthedocs.org/en/stable/jvm/index.html) |
[Resources](../demo/README.md) |
[Release Notes](../NEWS.md)

XGBoost4J is the JVM package of xgboost. It brings all the optimizations and power xgboost
into JVM ecosystem.

- Train XGBoost models in scala and java with easy customization.
- Run distributed xgboost natively on jvm frameworks such as Apache Flink and Apache
Spark.

You can find more about XGBoost on [Documentation](https://xgboost.readthedocs.org/en/stable/jvm/index.html) and [Resource Page](../demo/README.md).