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GitHub - alibaba/fastjson2: 🚄 FASTJSON2 is a Java JSON library with excellent performance.

github.comSaved February 21, 20265 min

Java JSON Library

Summary

fastjson2 is Alibaba's high‑performance Java JSON library that supports both JSON and the newer JSONB binary format. It offers full and partial parsing, Kotlin integration, Android 8+ compatibility, and schema validation, while providing Maven/Gradle artifacts for easy inclusion.

Highlights

Supports JSON & JSONB protocols with significant performance gains over its predecessor.
Provides both full‑parsing and partial‑parsing APIs for flexible data handling.
Includes official Kotlin, Android, and JSON Schema integration modules.
Distributed via Maven Central with separate artifacts for core, compatibility, and language extensions.

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Preview of GitHub - alibaba/fastjson2: 🚄 FASTJSON2 is a Java JSON library with excellent performance.

alibaba · via GitHub

Context

Audience

Java developers needing a high‑speed JSON processing library, especially those working with Kotlin, Android, or requiring JSON Schema validation

DomainJava Development / Data Serialization

Formatopen‑source repository (GitHub) with documentation and benchmarks

Accessfree open source on GitHub; available through Maven Central

Topics

Java JSON Library Performance Optimization JSON Parsing Fastjson2 Kotlin Integration

View on GitHub All Bookmarks

fastjson1 compatibility packageJSONB format specificationKotlin fastjson2 moduleSpring Boot starter for fastjson2

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GitHub - alibaba/fastjson2: 🚄 FASTJSON2 is a Java JSON library with excellent performance.

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GitHub - alibaba/fastjson2: 🚄 FASTJSON2 is a Java JSON library with excellent performance.

Summary

Highlights

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GitHub - alibaba/fastjson2: 🚄 FASTJSON2 is a Java JSON library with excellent performance.

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GitHub - alibaba/fastjson2: 🚄 FASTJSON2 is a Java JSON library with excellent performance.

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