MINOR: [Java][CI][Docs] Add Java crossbow task group (apache#38834)

### Rationale for this change Add a crossbow task group for java, since it is not intuitive to newcomers that "crossbow submit *java*" should be `crossbow submit *java*`. Also, clarify what is supported/tested in CI under Java build documentation. ### What changes are included in this PR? * Java crossbow task group added * Java docs updated to clarify supported JDK versions ### Are these changes tested? Yes, the crossbow task will be verified in this PR via a github actions request comment. ### Are there any user-facing changes? No. Authored-by: Dane Pitkin <dane@voltrondata.com> Signed-off-by: Sutou Kouhei <kou@clear-code.com>
pitrou · Nov 21, 2023 · 43f4c28 · 43f4c28
1 parent 490cd83
commit 43f4c28
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diff --git a/dev/tasks/tasks.yml b/dev/tasks/tasks.yml
@@ -77,6 +77,9 @@ groups:
   c-glib:
     - test-*c-glib*
 
+  java:
+    - "*java*"
+
   python:
     - test-*python*
 

diff --git a/docs/source/developers/java/building.rst b/docs/source/developers/java/building.rst
@@ -32,9 +32,12 @@ Arrow Java uses the `Maven <https://maven.apache.org/>`_ build system.
 
 Building requires:
 
-* JDK 8, 9, 10, 11, 17, or 18, but only JDK 8, 11 and 17 are tested in CI.
+* JDK 8+
 * Maven 3+
 
+.. note::
+    CI will test all supported JDK LTS versions, plus the latest non-LTS version.
+
 Building
 ========