This post is part of the Writing a JVM in Rust series. I have written a JVM in Rust ⬅️ this post A JVM in Rust part 2 - The class files format Lately I’ve been spending quite a bit of time learning Rust, and as any sane person would do, after writing a few 100 lines programs I’ve decided to take on something a little bit more ambitious: I have written a Java Virtual Machine in Rust.