| Package | Description | 
|---|---|
| com.fasterxml.jackson.core | Main public API classes of the core streaming JSON
 processor: most importantly  JsonFactoryused 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. | 
| com.fasterxml.jackson.core.util | Utility classes used by Jackson Core functionality. | 
| Modifier and Type | Method and Description | 
|---|---|
| static Version | Version. unknownVersion()Method returns canonical "not known" version, which is used as version
 in cases where actual version information is not known (instead of null). | 
| Version | Versioned. version()Method called to detect version of the component that implements this interface;
 returned version should never be null, but may return specific "not available"
 instance (see  Versionfor details). | 
| Version | ObjectCodec. version() | 
| abstract Version | JsonParser. version()Accessor for getting version of the core package, given a parser instance. | 
| abstract Version | JsonGenerator. version()Accessor for finding out version of the bundle that provided this generator instance. | 
| Version | JsonFactory. version() | 
| Modifier and Type | Method and Description | 
|---|---|
| int | Version. compareTo(Version other) | 
| Modifier and Type | Method and Description | 
|---|---|
| Version | ParserBase. version() | 
| Version | GeneratorBase. version()Implemented with standard version number detection algorithm, typically using
 a simple generated class, with information extracted from Maven project file
 during build. | 
| Modifier and Type | Field and Description | 
|---|---|
| static Version | PackageVersion. VERSION | 
| Modifier and Type | Method and Description | 
|---|---|
| Version | PackageVersion. version() | 
| Version | JsonGeneratorImpl. version() | 
| Modifier and Type | Method and Description | 
|---|---|
| static Version | VersionUtil. mavenVersionFor(ClassLoader cl,
               String groupId,
               String artifactId)Deprecated. 
 Since 2.6: functionality not used by any official Jackson component, should be
   moved out if anyone needs it | 
| static Version | VersionUtil. packageVersionFor(Class<?> cls)Loads version information by introspecting a class named
 "PackageVersion" in the same package as the given class. | 
| static Version | VersionUtil. parseVersion(String s,
            String groupId,
            String artifactId)Method used by  PackageVersionclasses to decode version injected by Maven build. | 
| Version | VersionUtil. version() | 
| Version | JsonParserDelegate. version() | 
| Version | JsonGeneratorDelegate. version() | 
| static Version | VersionUtil. versionFor(Class<?> cls)Helper method that will try to load version information for specified
 class. | 
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