MongoDB Java Driver Documentation

Welcome to the MongoDB Java driver documentation hub for the 3.4 driver release.

What’s New in 3.4

For key new features of 3.4, see What’s New.

Upgrade

To upgrade, refer to the Upgrade Considerations documentation.

MongoDB Driver

For the synchronous MongoDB Driver, see MongoDB Driver section.

MongoDB Async Driver

For the new asynchronous MongoDB Async Driver, the MongoDB Async Driver section.

BSON Library

The BSON library comprehensively supports the BSON spec, the data storage and network transfer format that MongoDB uses for ‚Äúdocuments”. The reference guide provides information about working with Documents, how to use Codecs and Extended JSON support.