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Developing RESTful Web services that seamlessly support exposing your data in avariety of representation media types and abstract away the low-level detailsof the client-server communication is not an easy task without a good toolkit.In order to simplify development of RESTful Web services and their clients in Java,a standard and portableJAX-RS API has been designed.

Jersey RESTful Web Services 2.x framework is open source, production quality,framework for developing RESTful Web Services in Java that provides support forJAX-RS APIs and serves as a JAX-RS (JSR 311 & JSR 339 & JSR 370) Reference Implementation.

Jersey RESTful Web Services 3.x framework is open source, production quality,framework for developing RESTful Web Services in Java that provides support forJakarta RESTful Web Services 3.0.

Jersey framework is more than the JAX-RS Reference Implementation. Jersey providesit’s ownAPI that extend the JAX-RS toolkit with additional featuresand utilities to further simplify RESTful service and client development. Jerseyalso exposes numerous extension SPIs so that developers may extend Jersey to bestsuit their needs.

Goals of Jersey project can be summarized in the following points:

• Track the JAX-RS API and provide regular releases of production qualityReference Implementations that ships with GlassFish;
• Provide APIs to extend Jersey & Build a community of users and developers;and finally
• Make it easy to build RESTful Web services utilising Java and theJava Virtual Machine.

• The latest stable release of Jersey is2.47.
• The latest published release of Jakarta EE 9 Jersey is3.0.18.
• The latest published release of Jakarta EE 10 Jersey is3.1.11.
• The latest published release of Jakarta EE 11 Jersey is4.0.0.

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