# Jasmin

> Assembler for the Java Virtual Machine that generates Java bytecode from assembly language-like instructions

**Wikidata**: [Q740158](https://www.wikidata.org/wiki/Q740158)  
**Source**: https://4ort.xyz/entity/jasmin-q740158

## Summary
Jasmin is an assembler for the Java Virtual Machine (JVM) that generates Java bytecode from assembly language-like instructions. It functions as a cross-platform programming language and object-based language, allowing developers to write low-level code for the JVM. It is released under BSD licenses and utilizes the Jasmin file format.

## Key Facts
- **Classification:** Jasmin is an instance of a programming language and an object-based language.
- **Function:** It serves as an assembler for the Java Virtual Machine (JVM), converting assembly language-like instructions into Java bytecode.
- **License:** The software is distributed under BSD licenses.
- **Platform:** It operates on a cross-platform basis.
- **Paradigm:** The language supports the object-oriented programming paradigm.
- **File Format:** It reads and writes using the Jasmin file format.
- **Project Host:** The project is hosted on SourceForge at `jasmin.sourceforge.net`.
- **Documentation:** A user manual is available at `https://jasmin.sourceforge.net/guide.html`.

## FAQs
### Q: What is Jasmin used for?
A: Jasmin is used as an assembler for the Java Virtual Machine. It allows programmers to write code using assembly language-like syntax which is then converted into Java bytecode.

### Q: Is Jasmin free to use?
A: Yes, Jasmin is available under BSD licenses, which are permissive free software licenses.

### Q: On what operating systems does Jasmin run?
A: Jasmin is a cross-platform tool, meaning it is designed to work on various operating systems that support the Java environment.

## Why It Matters
Jasmin occupies a unique niche in the Java ecosystem by bridging the gap between high-level Java source code and raw machine bytecode. While standard Java development relies on compilers that abstract away the underlying instructions, Jasmin provides developers with granular control over the Java Virtual Machine (JVM) through an assembly-like syntax. This capability is critical for systems programmers, compiler writers, and security researchers who need to inspect or manipulate bytecode at a low level without writing raw binary.

By enabling the generation of Java bytecode directly from human-readable assembly instructions, Jasmin serves as an essential tool for understanding the internal mechanics of the JVM. It supports object-oriented programming paradigms while maintaining the low-level access typically associated with assembly languages. Its status as a cross-platform, BSD-licensed tool ensures that it remains accessible for integration into various academic and professional workflows.

## Notable For
- **Unique Role:** Acting as an assembler specifically designed for the Java Virtual Machine environment.
- **Low-Level Control:** Enabling the generation of Java bytecode via assembly language-like instructions rather than standard high-level Java syntax.
- **Hybrid Nature:** Combining the characteristics of an assembler with an object-based programming language.
- **Accessibility:** Being available as open-source software under BSD licenses.

## Body
### Technical Overview
Jasmin is defined as an assembler for the Java Virtual Machine (JVM). Its primary function is to take assembly language-like instructions provided by the user and compile them into executable Java bytecode. Unlike traditional assemblers that target physical hardware architectures (like x86 or ARM), Jasmin targets the virtual architecture of the JVM.

### Programming Paradigms and Classification
While functioning as an assembler, Jasmin is classified as an **object-based language** and a **programming language**. It incorporates the **object-oriented programming** paradigm, allowing for the definition and manipulation of classes and objects within its assembly syntax. This distinguishes it from strictly procedural assembly languages.

### File Formats and Operation
The tool utilizes a specific container known as the **Jasmin file format**. This format serves as both the readable input (source) and writable output format. Jasmin is designed to be **cross-platform**, ensuring it can operate on any system capable of running the Java environment.

### Availability and Resources
Jasmin is distributed under **BSD licenses**, granting users broad freedoms to use and modify the software. The project and its source code are hosted on SourceForge as the project `jasmin`. Comprehensive documentation is provided to users via a dedicated user manual hosted on the official website.

## References

1. Freebase Data Dumps. 2013