Jolta automates per-project JDK switching without manual JAVA_HOME resets

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Developers juggling multiple Java projects often struggle with manually switching JDK versions between codebases targeting different releases such as JDK 11, 17, or 21. A developer has released Jolta, an open-source MIT-licensed tool on GitHub, designed to automate per-project JDK switching with minimal setup. Inspired by the Node.js tool Volta, Jolta uses lightweight shims that walk up the directory tree to find a pinned .java-version file and dispatch the correct JDK automatically. Unlike existing tools such as SDKMAN!, jenv, and asdf, Jolta is built to treat Windows as a first-class target alongside macOS and Linux. The tool is in early stages, and the developer is actively seeking feedback from users with real multi-JDK environments.

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