optionally downloading and caching a version of java by version and adding to PATH. Downloads from Azul's Zulu distribution.
registering problem matchers for error output

Usage

See action.yml

Basic:

steps:
- uses: actions/checkout@latest
- uses: actions/setup-java@v1
  with:
    java-version: '9.0.4' // The JDK version to make available on the path. Takes a whole or semver Jdk version, or 1.x syntax (e.g. 1.8 => Jdk 8.x). To specify a specific version for JDK 8 or older use the following pattern (8.0.x)
    architecture: x64 // (x64 or x86) - defaults to x64
- run: java -cp java HelloWorldApp

From local file:

steps:
- uses: actions/checkout@master
- uses: actions/setup-java@v1
  with:
    java-version: '4.0.0'
    architecture: x64
    jdkFile: <path to jdkFile> # Optional - jdkFile to install java from. Useful for versions not supported by Azul
- run: java -cp java HelloWorldApp

Matrix Testing:

jobs:
  build:
    runs-on: ubuntu-16.04
    strategy:
      matrix:
        java: [ '1.6', '9.0.x', '12.0.2' ]
    name: Java ${{ matrix.java }} sample
    steps:
      - uses: actions/checkout@master
      - name: Setup java
        uses: actions/setup-java@v1
        with:
          java-version: ${{ matrix.java }}
          architecture: x64
      - run: java -cp java HelloWorldApp

License

The scripts and documentation in this project are released under the MIT License

Contributions

Contributions are welcome! See Contributor's Guide