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

Packages that use com.fasterxml.jackson.core.json
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 and 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 and 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 and 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.