[Java] Format ray java code (#13056)

java/test.sh

@@ -8,6 +8,14 @@ set -x
 ROOT_DIR=$(cd "$(dirname "${BASH_SOURCE:-$0}")"; pwd)
 java -version
 
+pushd "$ROOT_DIR"
+  echo "Check java code format."
+  # check google java style
+  mvn -T16 spotless:check
+  # check naming and others
+  mvn -T16 checkstyle:check
+popd
+
 run_testng() {
     local exit_code
     if "$@"; then
@@ -27,11 +35,6 @@ run_testng() {
 }
 
 pushd "$ROOT_DIR"/..
-echo "Linting Java code with checkstyle."
-# NOTE(hchen): The `test_tag_filters` option causes bazel to ignore caches.
-# Thus, we add the `build_tests_only` option to avoid re-building everything.
-bazel test //java:all --test_tag_filters="checkstyle" --build_tests_only
-
 echo "Build java maven deps."
 bazel build //java:gen_maven_deps
 
@@ -70,13 +73,11 @@ for file in "$docdemo_path"*.java; do
   echo "Running $class"
   java -cp bazel-bin/java/all_tests_deploy.jar "io.ray.docdemo.$class"
 done
-
 popd
 
-
 pushd "$ROOT_DIR"
 echo "Testing maven install."
-mvn -Dorg.slf4j.simpleLogger.defaultLogLevel=WARN clean install -DskipTests
+mvn -Dorg.slf4j.simpleLogger.defaultLogLevel=WARN clean install -DskipTests -Dcheckstyle.skip
 # Ensure mvn test works
 mvn test -pl test -Dtest="io.ray.test.HelloWorldTest"
 popd