The Neo4j Java Reference v2025.06

The Java Reference contains information on advanced Java-centric usage of Neo4j.

It covers the following topics:

Extending Neo4j — How to build unmanaged extensions and procedures.
Using Neo4j embedded in Java applications — Instructions on embedding Neo4j in .
Traversal Framework — A walkthrough of the traversal framework.
Transaction management — Examples on transaction management in Neo4j.
JMX metrics — How to monitor Neo4j with JMX and a reference of available metrics.

You might want to keep the Neo4j Javadocs (Neo4j Java API Documentation) handy while reading.

Who should read this?

The Java Reference is written for advanced Java developers who want to extend Neo4j’s functionality or embed Neo4j in their software.

Disclaimer

This guide describes how to make changes to server-sided and deployment functionalities and has no connection with the Neo4j Java Driver.