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Java tooling already provided that and it’s trivial to install multiple JDK versions on a system. I probably have 4. Most IDEs have a dropdown to pick the one y

Java tooling already provided that and it’s trivial to install multiple JDK versions on a system. I probably have 4. Most IDEs have a dropdown to pick the one you want, there are CLI tools for it too, and overall it’s about as complex as a $PATH variable. It’s also possible to install multiple versions of Python on a system. The dependency management is the real problem — having more than one version of a runtime is not the hard part.

nicoburns 5y ago
If Java provides good first-party support for this then it may not make sense to use asdf for Java. Rust is similar in that rustup is first-party the recommended tool to install Rust with. I don't bother with asdf for Rust. Other ecosystems like python/ruby/javascript don't provide this as a first party tool meaning there are lot's of 3rd party alternatives. For these ecosystems asdf is nice in that it allows you to use one tool across all the ecosystems. > The dependency management is the real problem I'm not sure how this works in Java, but in many ecosystems like JavaScript and Rust dependency management isn't an issue at all. Installing a package defaults to a local install and even things like dependencies transitively depending on different versions of the same package are supported out the box and just work.