jasmin ☆

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Description:
Assembler for the Java Virtual Machine

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: java jvm assembler bytecode development

Install: brew install jasmin

About:
Jasmin is a Java assembler that creates Java class files from a human-readable assembly-like syntax. It provides a low-level interface to the Java Virtual Machine's capabilities, allowing developers to generate optimized bytecode directly. This tool is essential for creating Java classes programmatically or for learning the internal structure of JVM bytecode.

Key Features:

Generates Java class files from assembly-like syntax
Supports all JVM instructions and class file features
Lightweight and easily integrated into build processes
Useful for bytecode analysis and manipulation

Use Cases:

Creating Java classes programmatically without a Java compiler
Learning and experimenting with JVM bytecode structure
Optimizing performance-critical code at the bytecode level

Alternatives:

Kotlin Compiler – Higher-level language that compiles to bytecode, whereas Jasmin works at the assembly level
ASM – Java library for bytecode manipulation, more programmatic vs Jasmin's declarative syntax

Version History

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