jruby ☆

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Description:
Ruby implementation in pure Java

Type: Formula | Latest Version: 10.0.2.0@0 | Tracked Since: Dec 24, 2025

Links: Homepage | @jruby | formulae.brew.sh

Category: Developer tools

Tags: ruby jvm java programming-language interpreter

Install: brew install jruby

About:
JRuby is a high-performance, JVM-based implementation of the Ruby programming language. It enables developers to run Ruby applications on the Java Virtual Machine, providing seamless interoperability with Java libraries and leveraging the JVM's robust performance and scalability features.

Key Features:

Full compatibility with Ruby language standards (MRI)
Seamless integration with Java classes and libraries
Leverages JVM performance optimizations and garbage collection
Supports Ruby on Rails and popular gems
Built-in support for concurrent programming via Java threads

Use Cases:

Integrating Ruby applications with existing Java enterprise systems
Building high-performance web applications using Rails on the JVM
Accessing Java libraries and frameworks from Ruby code
Deploying Ruby applications in JVM-centric infrastructure

Alternatives:

Ruby (MRI) – Reference implementation in C; no Java integration
TruffleRuby – High-performance alternative on GraalVM; different performance characteristics

Version History

Detected	Version	Rev	Change	Commit
Dec 24, 2025 9:55pm	10.0.2.0	0	VERSION_BUMP	1c59d04f
Sep 14, 2024 10:24am		0	VERSION_BUMP	a5f07f5c