# Uses of Package
com.fasterxml.jackson.core.json

Packages that use com.fasterxml.jackson.core.json
Package
Description
com.fasterxml.jackson.core
Main public API classes of the core streaming JSON processor: most importantly `JsonFactory` used for constructing JSON parser (`JsonParser`) and generator (`JsonGenerator`) instances.
com.fasterxml.jackson.core.base
Base classes used by concrete Parser and Generator implementations; contain functionality that is not specific to JSON or input abstraction (byte vs char).
com.fasterxml.jackson.core.json
JSON-specific parser and generator implementation classes that Jackson defines and uses.

Classes in com.fasterxml.jackson.core.json used by com.fasterxml.jackson.core
Class
Description
JsonReadFeature
Token reader (parser) features specific to JSON backend.
JsonWriteFeature
Token writer features specific to JSON backend.
Classes in com.fasterxml.jackson.core.json used by com.fasterxml.jackson.core.base
Class
Description
JsonReadContext
Extension of `JsonStreamContext`, which implements core methods needed, and also exposes more complete API to parser implementation classes.
JsonWriteContext
Extension of `JsonStreamContext`, which implements core methods needed, and also exposes more complete API to generator implementation classes.
Classes in com.fasterxml.jackson.core.json used by com.fasterxml.jackson.core.json
Class
Description
DupDetector
Helper class used if `JsonParser.Feature.STRICT_DUPLICATE_DETECTION` is enabled.
JsonGeneratorImpl
Intermediate base class shared by JSON-backed generators like `UTF8JsonGenerator` and `WriterBasedJsonGenerator`.
JsonReadContext
Extension of `JsonStreamContext`, which implements core methods needed, and also exposes more complete API to parser implementation classes.
JsonReadFeature
Token reader (parser) features specific to JSON backend.
JsonWriteContext
Extension of `JsonStreamContext`, which implements core methods needed, and also exposes more complete API to generator implementation classes.
JsonWriteFeature
Token writer features specific to JSON backend.