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cjdk

cjdk (for "cached JDK") is a Python package and command-line tool to
download and run JDK (Java Development Kit) or JRE (Java Runtime Environment)
distributions.

Previously used JDKs are kept in the user's cache directory, so that future
invocations do not require a download.

What for

Installing exact JDK versions for reproducible testing
Working with multiple versions of JDKs
Deploying tools that require Java

Using the command-line interface of cjdk, you can run Java programs using a
one-liner, without having to worry about whether the user has installed a new
enough Java runtime and set JAVA_HOME and PATH to appropriate values.

For example, the following command will run
Checkstyle using Temurin JRE 17 (which will be
downloaded if this is the first time it is requested):

cjdk --jdk=temurin-jre:11 exec java -jar checkstyle-10.3-all.jar -c style.xml MyApp.java

See the documentation for detailed
usage.

cjdk was inspired by Coursier's
java command, and uses Coursier's
JDK index). Unlike Coursier, cjdk
does not require a Java runtime to bootstrap.

Installing

cjdk requires Python 3.9.

pip install cjdk

Documentation

Licensing

cjdk is distributed under the MIT license. Please see LICENSE.txt.

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Dependency	Optional
click	false
progressbar2	false
requests	false
flask	true
pytest	true
werkzeug	true

Package profile

cjdk

Releases

Release table

PyPI Downloads

Dependencies

Details

Project URLs

Dependencies

Package description