docs: add short mode query sample

README.md

@@ -214,6 +214,7 @@ Samples are in the [`samples/`](https://github.com/googleapis/java-bigquery/tree
 | Query Pagination | [source code](https://github.com/googleapis/java-bigquery/blob/main/samples/snippets/src/main/java/com/example/bigquery/QueryPagination.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-bigquery&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/bigquery/QueryPagination.java) |
 | Query Partitioned Table | [source code](https://github.com/googleapis/java-bigquery/blob/main/samples/snippets/src/main/java/com/example/bigquery/QueryPartitionedTable.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-bigquery&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/bigquery/QueryPartitionedTable.java) |
 | Query Script | [source code](https://github.com/googleapis/java-bigquery/blob/main/samples/snippets/src/main/java/com/example/bigquery/QueryScript.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-bigquery&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/bigquery/QueryScript.java) |
+| Query Short Mode | [source code](https://github.com/googleapis/java-bigquery/blob/main/samples/snippets/src/main/java/com/example/bigquery/QueryShortMode.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-bigquery&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/bigquery/QueryShortMode.java) |
 | Query Total Rows | [source code](https://github.com/googleapis/java-bigquery/blob/main/samples/snippets/src/main/java/com/example/bigquery/QueryTotalRows.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-bigquery&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/bigquery/QueryTotalRows.java) |
 | Query With Array Of Structs Named Parameters | [source code](https://github.com/googleapis/java-bigquery/blob/main/samples/snippets/src/main/java/com/example/bigquery/QueryWithArrayOfStructsNamedParameters.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-bigquery&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/bigquery/QueryWithArrayOfStructsNamedParameters.java) |
 | Query With Array Parameters | [source code](https://github.com/googleapis/java-bigquery/blob/main/samples/snippets/src/main/java/com/example/bigquery/QueryWithArrayParameters.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-bigquery&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/bigquery/QueryWithArrayParameters.java) |

samples/snippets/src/main/java/com/example/bigquery/QueryShortMode.java

@@ -0,0 +1,75 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.bigquery;
+
+// [START bigquery_query_shortquery]
+import com.google.cloud.bigquery.BigQuery;
+import com.google.cloud.bigquery.BigQueryException;
+import com.google.cloud.bigquery.BigQueryOptions;
+import com.google.cloud.bigquery.JobId;
+import com.google.cloud.bigquery.QueryJobConfiguration;
+import com.google.cloud.bigquery.TableResult;
+
+// Sample demonstrating short mode query execution.
+//
+// While this feature is still in preview, it is controlled by
+// setting the environment variable QUERY_PREVIEW_ENABLED=TRUE
+// to request short mode execution.
+public class QueryShortMode {
+
+  public static void main(String[] args) {
+    String query =
+        "SELECT name, gender, SUM(number) AS total FROM "
+            + "bigquery-public-data.usa_names.usa_1910_2013 GROUP BY "
+            + "name, gender ORDER BY total DESC LIMIT 10";
+    queryShortMode(query);
+  }
+
+  public static void queryShortMode(String query) {
+    try {
+      // Initialize client that will be used to send requests. This client only needs
+      // to be created once, and can be reused for multiple requests.
+      BigQuery bigquery = BigQueryOptions.getDefaultInstance().getService();
+
+      // Execute the query. The returned TableResult provides access information
+      // about the query execution as well as query results.
+      TableResult results = bigquery.query(QueryJobConfiguration.of(query));
+
+      JobId jobId = results.getJobId();
+      if (jobId != null) {
+        System.out.println("Query was run with job state.  Job ID: " + jobId.toString());
+      } else {
+        System.out.println("Query was run in short mode.  Query ID: " + results.getQueryId());
+      }
+
+      // Print the results.
+      results
+          .iterateAll()
+          .forEach(
+              row -> {
+                System.out.print("name:" + row.get("name").getStringValue());
+                System.out.print(", gender: " + row.get("gender").getStringValue());
+                System.out.print(", total: " + row.get("total").getLongValue());
+                System.out.println();
+              });
+
+    } catch (BigQueryException | InterruptedException e) {
+      System.out.println("Query not performed \n" + e.toString());
+    }
+  }
+}
+// [END bigquery_query_shortquery]

samples/snippets/src/test/java/com/example/bigquery/QueryShortModeIT.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.bigquery;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+public class QueryShortModeIT {
+
+  private final Logger log = Logger.getLogger(this.getClass().getName());
+  private ByteArrayOutputStream bout;
+  private PrintStream out;
+  private PrintStream originalPrintStream;
+
+  @Before
+  public void setUp() {
+    bout = new ByteArrayOutputStream();
+    out = new PrintStream(bout);
+    originalPrintStream = System.out;
+    System.setOut(out);
+  }
+
+  @After
+  public void tearDown() {
+    // restores print statements in the original method
+    System.out.flush();
+    System.setOut(originalPrintStream);
+    log.log(Level.INFO, "\n" + bout.toString());
+  }
+
+  @Test
+  public void testQueryBatch() {
+    String query =
+        "SELECT name, gender, SUM(number) AS total FROM "
+            + "bigquery-public-data.usa_names.usa_1910_2013 GROUP BY "
+            + "name, gender ORDER BY total DESC LIMIT 10";
+
+    QueryShortMode.queryShortMode(query);
+    assertThat(bout.toString()).contains("Query was run");
+  }
+}