docs(samples): fix checkstyle errors

samples/snippets/src/main/java/com/example/bigquerydatatransfer/CreateScheduledQuery.java

@@ -24,7 +24,6 @@
 import com.google.cloud.bigquery.datatransfer.v1.TransferConfig;
 import com.google.protobuf.Struct;
 import com.google.protobuf.Value;
-
 import java.io.IOException;
 import java.util.HashMap;
 import java.util.Map;
@@ -34,10 +33,11 @@ public class CreateScheduledQuery {
 
   public static void runCreateScheduledQuery() {
     // TODO(developer): Replace these variables before running the sample.
-    String projectId = "MY_PROJECT_ID";
-    String datasetId = "MY_DATASET_ID";
-    String query =
-        "SELECT CURRENT_TIMESTAMP() as current_time, @run_time as intended_run_time, @run_date as intended_run_date, 17 as some_integer";
+    final String projectId = "MY_PROJECT_ID";
+    final String datasetId = "MY_DATASET_ID";
+    final String query =
+        "SELECT CURRENT_TIMESTAMP() as current_time, @run_time as intended_run_time, "
+            + "@run_date as intended_run_date, 17 as some_integer";
     Map<String, Value> params = new HashMap<>();
     params.put("query", Value.newBuilder().setStringValue(query).build());
     params.put(

samples/snippets/src/main/java/com/example/bigquerydatatransfer/DeleteScheduledQuery.java

@@ -20,7 +20,6 @@
 import com.google.api.gax.rpc.ApiException;
 import com.google.cloud.bigquery.datatransfer.v1.DataTransferServiceClient;
 import com.google.cloud.bigquery.datatransfer.v1.DeleteTransferConfigRequest;
-
 import java.io.IOException;
 
 // Sample to delete a scheduled query

samples/snippets/src/main/java/com/example/bigquerydatatransfer/QuickstartSample.java

@@ -25,9 +25,7 @@
 import com.google.cloud.bigquery.datatransfer.v1.ListDataSourcesRequest;
 
 public class QuickstartSample {
-  /**
-   * List available data sources for the BigQuery Data Transfer service.
-   */
+  /** List available data sources for the BigQuery Data Transfer service. */
   public static void main(String... args) throws Exception {
     // Sets your Google Cloud Platform project ID.
     // String projectId = "YOUR_PROJECT_ID";
@@ -40,9 +38,7 @@ public static void main(String... args) throws Exception {
       // Request the list of available data sources.
       String parent = String.format("projects/%s", projectId);
       ListDataSourcesRequest request =
-          ListDataSourcesRequest.newBuilder()
-              .setParent(parent)
-              .build();
+          ListDataSourcesRequest.newBuilder().setParent(parent).build();
       ListDataSourcesPagedResponse response = client.listDataSources(request);
 
       // Print the results.

samples/snippets/src/test/java/com/example/bigquerydatatransfer/CreateScheduledQueryIT.java

@@ -16,26 +16,25 @@
 
 package com.example.bigquerydatatransfer;
 
+import static com.google.common.truth.Truth.assertThat;
+import static junit.framework.TestCase.assertNotNull;
+
 import com.google.cloud.bigquery.BigQuery;
 import com.google.cloud.bigquery.BigQueryOptions;
 import com.google.cloud.bigquery.DatasetInfo;
 import com.google.cloud.bigquery.datatransfer.v1.TransferConfig;
 import com.google.cloud.bigquery.datatransfer.v1.TransferState;
 import com.google.protobuf.Struct;
 import com.google.protobuf.Value;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.BeforeClass;
-import org.junit.Test;
-
 import java.io.ByteArrayOutputStream;
 import java.io.PrintStream;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.UUID;
-
-import static com.google.common.truth.Truth.assertThat;
-import static junit.framework.TestCase.assertNotNull;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
 
 public class CreateScheduledQueryIT {
 
@@ -85,7 +84,8 @@ public void tearDown() {
   @Test
   public void testCreateScheduledQuery() {
     String query =
-        "SELECT CURRENT_TIMESTAMP() as current_time, @run_time as intended_run_time, @run_date as intended_run_date, 17 as some_integer";
+        "SELECT CURRENT_TIMESTAMP() as current_time, @run_time as intended_run_time, "
+            + "@run_date as intended_run_date, 17 as some_integer";
     String destinationTableName =
         "MY_DESTINATION_TABLE_" + UUID.randomUUID().toString().substring(0, 8) + "_{run_date}";
     Map<String, Value> params = new HashMap<>();

samples/snippets/src/test/java/com/example/bigquerydatatransfer/DeleteScheduledQueryIT.java

@@ -16,25 +16,24 @@
 
 package com.example.bigquerydatatransfer;
 
+import static com.google.common.truth.Truth.assertThat;
+import static junit.framework.TestCase.assertNotNull;
+
 import com.google.cloud.bigquery.BigQuery;
 import com.google.cloud.bigquery.BigQueryOptions;
 import com.google.cloud.bigquery.DatasetInfo;
 import com.google.cloud.bigquery.datatransfer.v1.TransferConfig;
 import com.google.protobuf.Struct;
 import com.google.protobuf.Value;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.BeforeClass;
-import org.junit.Test;
-
 import java.io.ByteArrayOutputStream;
 import java.io.PrintStream;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.UUID;
-
-import static com.google.common.truth.Truth.assertThat;
-import static junit.framework.TestCase.assertNotNull;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
 
 public class DeleteScheduledQueryIT {
 
@@ -74,7 +73,8 @@ public void setUp() {
 
     // create a scheduled query
     String query =
-        "SELECT CURRENT_TIMESTAMP() as current_time, @run_time as intended_run_time, @run_date as intended_run_date, 17 as some_integer";
+        "SELECT CURRENT_TIMESTAMP() as current_time, @run_time as intended_run_time, "
+            + "@run_date as intended_run_date, 17 as some_integer";
     String destinationTableName =
         "MY_DESTINATION_TABLE_" + UUID.randomUUID().toString().substring(0, 8) + "_{run_date}";
     Map<String, Value> params = new HashMap<>();