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docs: replace non-existent HelloWorldApp references with java --version (#1043)
* Initial plan * docs: replace HelloWorldApp references with java --version in README and advanced-usage --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
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‎README.md‎

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with:
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distribution: 'temurin' # See 'Supported distributions' for available options
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java-version: '25'
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- run: java HelloWorldApp.java
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- run: java --version
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```
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#### Azul Zulu OpenJDK
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with:
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distribution: 'zulu' # See 'Supported distributions' for available options
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java-version: '25'
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- run: java HelloWorldApp.java
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- run: java --version
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```
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#### Supported version syntax
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distribution: 'temurin'
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java-version: '25'
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check-latest: true
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- run: java HelloWorldApp.java
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- run: java --version
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```
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### Testing against different Java versions
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with:
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distribution: '<distribution>'
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java-version: ${{ matrix.java }}
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- run: java HelloWorldApp.java
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- run: java --version
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```
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### Install multiple JDKs

‎docs/advanced-usage.md‎

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with:
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distribution: 'temurin'
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java-version: '21'
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- run: java -cp java HelloWorldApp
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- run: java --version
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```
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### Adopt
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with:
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distribution: 'adopt-hotspot'
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java-version: '11'
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- run: java -cp java HelloWorldApp
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- run: java --version
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```
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### Zulu
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distribution: 'zulu'
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java-version: '21'
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java-package: jdk # optional (jdk, jre, jdk+fx or jre+fx) - defaults to jdk
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- run: java -cp java HelloWorldApp
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- run: java --version
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```
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### Liberica
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distribution: 'liberica'
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java-version: '21'
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java-package: jdk # optional (jdk, jre, jdk+fx or jre+fx) - defaults to jdk
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- run: java -cp java HelloWorldApp
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- run: java --version
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```
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### Microsoft
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with:
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distribution: 'microsoft'
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java-version: '21'
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- run: java -cp java HelloWorldApp
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- run: java --version
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```
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### Using Microsoft distribution on GHES
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with:
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distribution: 'corretto'
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java-version: '21'
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- run: java -cp java HelloWorldApp
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- run: java --version
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```
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### Oracle
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with:
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distribution: 'oracle'
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java-version: '21'
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- run: java -cp java HelloWorldApp
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- run: java --version
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```
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### Alibaba Dragonwell
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with:
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distribution: 'dragonwell'
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java-version: '8'
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- run: java -cp java HelloWorldApp
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- run: java --version
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```
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### SapMachine
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with:
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distribution: 'sapmachine'
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java-version: '21'
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- run: java -cp java HelloWorldApp
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- run: java --version
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```
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### GraalVM
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distribution: 'graalvm'
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java-version: '21'
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- run: |
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java -cp java HelloWorldApp
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native-image -cp java HelloWorldApp
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java --version
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native-image --version
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```
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### JetBrains
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with:
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distribution: 'jetbrains'
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java-version: '11'
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- run: java -cp java HelloWorldApp
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- run: java --version
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```
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The JetBrains installer uses the GitHub API to fetch the latest version. If you believe your project is going to be running into rate limits, you can provide a
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java-package: 'jdk' # optional (jdk, jre, jdk+jcef, jre+jcef, jdk+ft, or jre+ft) - defaults to jdk
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env:
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GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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- run: java -cp java HelloWorldApp
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- run: java --version
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```
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You can specify your package type (as shown in the [releases page](https://github.com/JetBrains/JetBrainsRuntime/releases/)) in the `java-package` parameter.
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distribution: '<distribution>'
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java-version: '11'
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java-package: jdk # optional (jdk or jre) - defaults to jdk
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- run: java -cp java HelloWorldApp
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- run: java --version
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```
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## Installing custom Java architecture
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distribution: '<distribution>'
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java-version: '11'
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architecture: x86 # optional - default value derived from the runner machine
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- run: java -cp java HelloWorldApp
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- run: java --version
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```
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## Installing Java from local file
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java-version: '11.0.0'
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architecture: x64
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- run: java -cp java HelloWorldApp
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- run: java --version
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```
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If your use-case requires a custom distribution (in the example, alpine-linux is used) or a version that is not provided by setup-java and you want to always install the latest version during runtime, then you can use the following code to auto-download the latest JDK, determine the semver needed for setup-java, and setup-java will take care of the installation and caching on the VM:
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jdkFile: ${{ runner.temp }}/java_package.tar.gz
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java-version: {{ steps.fetch_latest_jdk.outputs.java_version }}
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architecture: x64
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- run: java -cp java HelloWorldApp
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- run: java --version
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```
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## Testing against different Java distributions
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with:
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distribution: ${{ matrix.distribution }}
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java-version: ${{ matrix.java }}
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- run: java -cp java HelloWorldApp
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- run: java --version
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```
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#### Testing against different platforms
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with:
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distribution: 'temurin'
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java-version: ${{ matrix.java }}
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- run: java -cp java HelloWorldApp
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- run: java --version
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```
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## Publishing using Apache Maven
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distribution: 'temurin'
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java-version: '11'
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mvn-toolchain-id: 'some_other_id'
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- run: java -cp java HelloWorldApp
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- run: java --version
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```
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In case you install multiple versions of Java at once you can use the same syntax as used in `java-versions`. Please note that you have to declare an ID for all Java versions that will be installed or the `mvn-toolchain-id` instruction will be skipped wholesale due to mapping ambiguities.

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