JSON is a light-weight, language independent, data interchange format. See http://www.JSON.org/ The files in this package implement JSON encoders/decoders in Java. It also includes the capability to convert between JSON and XML, HTTP headers, Cookies, and CDL. This is a reference implementation. There are a large number of JSON packages in Java. Perhaps someday the Java community will standardize on one. Until then, choose carefully.

Artifacts using JSON In Java (6,955)
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Spring Boot Configuration Annotation Processor
Last Release on Apr 23, 2026
Fastjson is a JSON processor (JSON parser + JSON generator) written in Java
Last Release on May 5, 2026

Spring Boot makes it easy to create stand-alone, production-grade Spring based Applications that you can 'just run'. It takes an opinionated view of the Spring platform and third-party libraries so you can get started with minimum configuration.
Last Release on Apr 23, 2026
XStream is a simple and fast library to serialize objects to XML and back again with a low memory footprint.
Last Release on Nov 7, 2024
Jedis is a blazingly small and sane Redis java client.
Last Release on Apr 27, 2026
User-side library for Google Web Toolkit (GWT) that enables Java developers to write client-side applications which are compiled into optimized JavaScript.
Last Release on Jun 23, 2022

Relocated → org.gwtproject » gwt-user
A library to query and verify JSON
Last Release on Feb 22, 2026
Library for writing tests that checks JSON documents (useful for testing responses from REST services).
Last Release on Jun 28, 2024
A library jar that provides APIs for Applications written for the Google Android Platform.
Last Release on Dec 28, 2015
Elasticsearch subproject :server
Last Release on May 6, 2026