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JuLC

JuLC Documentation

Welcome to the JuLC documentation. JuLC compiles a safe subset of Java to Plutus V3 UPLC for Cardano smart contracts.

New to JuLC?

Section titled “New to JuLC?”
Write Your First Contract Scaffold a project with the julc CLI, write a validator, compile, and test — in under 10 minutes
Getting Started Comprehensive guide: all language features, data modeling, collections, deployment

Guides

Section titled “Guides”
Advanced Guide Low-level patterns, raw Data access, PlutusData manipulation
For-Loop Patterns For-each, while loops, accumulators, nested loops
Testing Guide Unit tests, property-based fuzzing, budget analysis, integration tests
Source Maps Runtime error location, trace diagnostics

Standard Library

Section titled “Standard Library”
Library Reference All 13 stdlib libraries: Lists, Maps, Values, Math, Crypto, Bitwise, and more

Reference

Section titled “Reference”
API Reference All supported types, operators, methods, and ledger access
Library Developer Guide Write and publish @OnchainLibrary modules
Examples 12 example validators with source code
Troubleshooting Every compiler error mapped with causes and solutions

Internals

Section titled “Internals”

For compiler contributors:

Compiler Design Architecture, compilation pipeline, PIR generation
Compiler Developer Guide Development setup, debugging, extending the compiler

Example Repositories

Section titled “Example Repositories”