Choosing the Best Document Class for MongoDB in Java
mongodb•Jan 10, 2026

Choosing the Best Document Class for MongoDB in Java

When working with MongoDB in Java, choosing the right document class can impact how you construct, manipulate, and access document data in your application code. This article provides a detailed description of the available document classes and their use cases.

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Key summary

This article explores the different document classes available in the MongoDB Java driver, including Document, BsonDocument, RawBsonDocument, JsonObject, and BasicDBObject, and provides guidance on when to use each.

TL;DR

  • Document is the default and most flexible class for working with MongoDB documents in Java.
  • BsonDocument provides strict BSON type safety.
  • RawBsonDocument is used for internal operations and lazy accessors.
  • JsonObject is used for working with JSON strings as plain text.
  • BasicDBObject is for legacy code migration only.
  • Choose the right document class based on your specific requirements and use cases.

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