[Minor]Fix some code style based on check-sytle plugin

hudi-client/hudi-client-common/src/main/java/org/apache/hudi/table/storage/HoodieBucketLayout.java

@@ -40,7 +40,8 @@ public class HoodieBucketLayout extends HoodieStorageLayout {
       add(WriteOperationType.DELETE);
       add(WriteOperationType.COMPACT);
       add(WriteOperationType.DELETE_PARTITION);
-    }};
+    }
+  };
 
   public HoodieBucketLayout(HoodieWriteConfig config) {
     super(config);

hudi-client/hudi-spark-client/src/main/java/org/apache/hudi/table/action/bootstrap/MetadataBootstrapHandlerFactory.java

@@ -25,6 +25,7 @@
 import org.apache.hudi.exception.HoodieIOException;
 import org.apache.hudi.table.HoodieTable;
 import org.apache.hudi.avro.model.HoodieFileStatus;
+
 import static org.apache.hudi.common.model.HoodieFileFormat.ORC;
 import static org.apache.hudi.common.model.HoodieFileFormat.PARQUET;
 

hudi-client/hudi-spark-client/src/main/java/org/apache/hudi/util/DataTypeUtils.java

@@ -63,7 +63,8 @@ public class DataTypeUtils {
         // String types
         put(StringType$.class,
             newHashSet(VarcharType$.class, StringType$.class));
-      }};
+      }
+  };
 
   /**
    * Validates whether one {@link StructType} is compatible w/ the other one.

hudi-common/src/main/java/org/apache/hudi/common/util/AvroOrcUtils.java

@@ -52,6 +52,7 @@
 import org.apache.orc.storage.serde2.io.DateWritable;
 import org.apache.hudi.exception.HoodieIOException;
 import org.apache.orc.TypeDescription;
+
 import static org.apache.avro.JsonProperties.NULL_VALUE;
 
 /**

hudi-common/src/test/java/org/apache/hudi/common/util/TestRatelimiter.java

@@ -20,6 +20,7 @@
 
 import java.util.concurrent.TimeUnit;
 import org.junit.jupiter.api.Test;
+
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 

hudi-examples/src/main/java/org/apache/hudi/examples/spark/HoodieSparkBootstrapExample.java

@@ -31,13 +31,10 @@
 import org.apache.spark.sql.SparkSession;
 import org.apache.spark.sql.Dataset;
 
-
-
 public class HoodieSparkBootstrapExample {
 
   private static String tableType = HoodieTableType.MERGE_ON_READ.name();
 
-
   public static void main(String[] args) throws Exception {
     if (args.length < 5) {
       System.err.println("Usage: HoodieSparkBootstrapExample <recordKey> <tableName> <partitionPath> <preCombineField> <basePath>");
@@ -68,7 +65,7 @@ public static void main(String[] args) throws Exception {
             .option(HoodieTableConfig.BASE_FILE_FORMAT.key(), HoodieFileFormat.ORC.name())
             .option(HoodieBootstrapConfig.BASE_PATH.key(), basePath)
             .option(HoodieBootstrapConfig.KEYGEN_CLASS_NAME.key(), NonpartitionedKeyGenerator.class.getCanonicalName())
-            .mode(SaveMode.Overwrite).save("/hudi/"+tableName);
+            .mode(SaveMode.Overwrite).save("/hudi/" + tableName);
 
     df.count();
   }

hudi-integ-test/src/main/java/org/apache/hudi/integ/testsuite/dag/DagUtils.java

@@ -106,6 +106,7 @@ public static WorkflowDag convertYamlToDag(String yaml) throws IOException {
             Entry<String, JsonNode> dagContentNode = contentItr.next();
             allNodes.put(dagContentNode.getKey(), convertJsonToDagNode(allNodes, dagContentNode.getKey(), dagContentNode.getValue()));
           }
+          break;
         default:
           break;
       }

hudi-integ-test/src/main/java/org/apache/hudi/integ/testsuite/dag/nodes/BaseValidateDatasetNode.java

@@ -161,7 +161,6 @@ private Dataset<Row> getInputDf(ExecutionContext context, SparkSession session,
         .filter("_hoodie_is_deleted != true");
   }
 
-
   private ExpressionEncoder getEncoder(StructType schema) {
     List<Attribute> attributes = JavaConversions.asJavaCollection(schema.toAttributes()).stream()
         .map(Attribute::toAttribute).collect(Collectors.toList());

hudi-integ-test/src/main/java/org/apache/hudi/integ/testsuite/helpers/DFSTestSuitePathSelector.java

@@ -38,7 +38,6 @@
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
-import java.util.Optional;
 import java.util.stream.Collectors;
 
 /**
@@ -74,10 +73,10 @@ public Pair<Option<String>, String> getNextFilePathsAndMaxModificationTime(
       // Say input data is as follow input/1, input/2, input/5 since 3,4 was rolled back and 5 is new generated data
       // checkpoint from the latest commit metadata will be 2 since 3,4 has been rolled back. We need to set the
       // next batch id correctly as 5 instead of 3
-      Optional<String> correctBatchIdDueToRollback = Arrays.stream(fileStatuses)
+      Option<String> correctBatchIdDueToRollback = Option.fromJavaOptional(Arrays.stream(fileStatuses)
           .map(f -> f.getPath().toString().split("/")[f.getPath().toString().split("/").length - 1])
           .filter(bid1 -> Integer.parseInt(bid1) > lastBatchId)
-          .min((bid1, bid2) -> Integer.min(Integer.parseInt(bid1), Integer.parseInt(bid2)));
+          .min((bid1, bid2) -> Integer.min(Integer.parseInt(bid1), Integer.parseInt(bid2))));
       if (correctBatchIdDueToRollback.isPresent() && Integer.parseInt(correctBatchIdDueToRollback.get()) > nextBatchId) {
         nextBatchId = Integer.parseInt(correctBatchIdDueToRollback.get());
       }

hudi-integ-test/src/test/java/org/apache/hudi/integ/testsuite/job/TestHoodieTestSuiteJob.java

@@ -35,7 +35,6 @@
 import org.apache.hudi.integ.testsuite.schema.TestSuiteFileBasedSchemaProvider;
 import org.apache.hudi.integ.testsuite.writer.DeltaOutputMode;
 import org.apache.hudi.keygen.TimestampBasedKeyGenerator;
-import org.apache.hudi.utilities.schema.FilebasedSchemaProvider;
 import org.apache.hudi.utilities.sources.AvroDFSSource;
 import org.apache.hudi.utilities.testutils.UtilitiesTestBase;
 

hudi-sync/hudi-hive-sync/src/test/java/org/apache/hudi/hive/TestMultiPartKeysValueExtractor.java

@@ -21,6 +21,7 @@
 import java.util.ArrayList;
 import java.util.List;
 import org.junit.jupiter.api.Test;
+
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 public class TestMultiPartKeysValueExtractor {