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Reproducible builds
Projects define their own JDK version, ensuring consistency across development, testing, and production environments
Zero JDK
Reproducible builds by default
Paste and run the following in your terminal:
curl -sS https://raw.githubusercontent.com/zero-jdk/zero-jdk-cli/HEAD/install.sh | sh# Initialize your project with a specific JDK version
$ zjdk init --version temurin-17.0.8
# Create the zjdk wrapper script - think of gradlew, mvnw
$ zjdk wrapper
# Commit both configuration and wrapper to version control
$ git add .zjdk/ zjdkw
$ git commit -m "Add Zero JDK configuration and wrapper"
# Clone project and use the wrapper
$ git clone https://github.com/example/java-project.git
$ cd java-project
$ ./zjdkw sync # Downloads and sets up the project's required JDK
# Check what's configured using the wrapper
$ ./zjdkw info
Version: 21.0.7 (21 - 21.0.7+6)
Identifier(s): temurin-21.0.7
Support: LTS
Link: https://adoptium.net/temurin/releases
# Perfect for CI/CD - no global zjdk installation needed
$ ./zjdkw env # Prints shell commands to set up environment variables# Inside your CI/CD script:
$ ./zjdkw sync
$ eval "$(./zjdkw env)"
# Now build with your preferred build tool, e.g. maven
$ ./mvnw clean verify