I have done it multiple times for different versions of Java with nominal effort. Of course, difficulty may vary depending on a project. With projects like Ope

I have done it multiple times for different versions of Java with nominal effort. Of course, difficulty may vary depending on a project. With projects like OpenRewrite [1] and good LLMs, things are a lot easier these days. [1]: https://docs.openrewrite.org https://docs.openrewrite.org