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Test Temurin 25 on hosted runners (#1172)

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* Test Temurin 25 on hosted runners

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: 9def8ac6-e148-4a8e-bb50-a3ee1948fc52

* Recommend Temurin for hosted runners

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: 9def8ac6-e148-4a8e-bb50-a3ee1948fc52

* Clarify hosted Temurin guidance

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: 9def8ac6-e148-4a8e-bb50-a3ee1948fc52

* Test downloaded Microsoft JDKs

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: 9def8ac6-e148-4a8e-bb50-a3ee1948fc52

---------

Copilot-Session: 9def8ac6-e148-4a8e-bb50-a3ee1948fc52
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Bruno Borges
2026-07-29 10:41:44 -04:00
committed by GitHub
parent 62f345fa33
commit ec4dbbe20d
3 changed files with 28 additions and 2 deletions
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@@ -325,6 +325,8 @@ In the basic examples above, the `check-latest` flag defaults to `false`. When s
If `check-latest` is set to `true`, the action first checks if the cached version is the latest one. If the locally cached version is not the most up-to-date, the latest version of Java will be downloaded. Set `check-latest` to `true` if you want the most up-to-date version of Java to always be used. Setting `check-latest` to `true` has performance implications as downloading versions of Java is slower than using cached versions.
[GitHub-hosted runners](https://github.com/actions/runner-images) include Eclipse Temurin JDKs in their tool cache. Selecting Eclipse Temurin (`distribution: 'temurin'`) can save setup time by using a pre-installed JDK instead of downloading one. See the installed Java versions for [Ubuntu](https://github.com/actions/runner-images/blob/main/images/ubuntu/Ubuntu2404-Readme.md#java), [Windows](https://github.com/actions/runner-images/blob/main/images/windows/Windows2025-Readme.md#java), and [macOS](https://github.com/actions/runner-images/blob/main/images/macos/macos-15-Readme.md#java).
For Java distributions that are not cached on Hosted images, `check-latest` always behaves as `true` and downloads Java on the fly. Check out [Hosted Tool Cache](docs/advanced-usage.md#Hosted-Tool-Cache) for more details about pre-cached Java versions.