Procedure
Install Eclipse Temurin JDK
Install Eclipse Temurin (OpenJDK) via package manager or installer for your OS, then verify with java -version.
Install Temurin per https://adoptium.net/installation/ . Windows: winget
Install Temurin per https://adoptium.net/installation/ . Windows: winget install EclipseAdoptium.Temurin.25.JDK (or another Temurin.*.JDK id). macOS: brew install --cask temurin (or download the PKG). Linux: follow Adoptium Linux package instructions to add the repo, then install temurin-25-jdk (or your chosen major) with apt/dnf.
Open a new terminal if PATH/JAVA_HOME was updated. Optionally set JAVA_H
Open a new terminal if PATH/JAVA_HOME was updated. Optionally set JAVA_HOME to the Temurin install directory if your tools require it.
java -version
java -version
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