rjvm is a performant Java Virtual Machine implementation in Rust.

Features:

• bytecode verifier
• support for most common operations
• support for many classes in the java.io, java.lang, java.nio, and java.util packages

Missing features:

• multithreading/synchronized support
• support for several operations, especially around doubles and floats
• lots of API
• proper garbage collection

Upcoming features:

• Array type verification in verifier
• Object class verification in verifier
• Storage specialization for primitive-type arrays