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Java

How json2vars-setter handles Java, and how the example workflow provisions it.

json2vars-setter integration

Item Value
Matrix JSON key versions.java
Action output versions_java
Dynamic-update strategy input java-strategy (stable / latest / both)
Version source see Version Sources

Supported runners

The example matrix runs on Ubuntu / Windows / macOS:

ubuntu-latest, windows-latest, macos-latest

Any GitHub-hosted runner the setup action supports also works - the OS list is just the os array in your matrix JSON.

Supported versions

Example matrix (what the example workflow runs):

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{
  "versions": {
    "java": [
      "11",
      "17",
      "21"
    ]
  }
}

Latest values tracked by the dynamic-update tooling (auto-refreshed from the release APIs into the version cache):

Field Version
stable 25
latest 26

Cache last updated: 2026-06-24T12:28:41.325097.

Setup action (example workflow)

java_test.yml provisions Java with the matrix value json2vars-setter produced:

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- name: Set up Java
  uses: actions/setup-java@v6.0.1
  with:
    distribution: 'temurin'
    java-version: ${{ matrix.java-version }}
    cache: 'maven'

References