diff --git a/bigquery/cloud-client/pom.xml b/bigquery/cloud-client/pom.xml
index a8854a9429c..091d06a1375 100644
--- a/bigquery/cloud-client/pom.xml
+++ b/bigquery/cloud-client/pom.xml
@@ -37,7 +37,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-bigquery</artifactId>
-      <version>0.12.0-beta</version>
+      <version>0.13.0-beta</version>
     </dependency>
     <dependency>
       <groupId>commons-cli</groupId>
diff --git a/bigquery/cloud-client/src/main/java/com/example/bigquery/QueryParametersSample.java b/bigquery/cloud-client/src/main/java/com/example/bigquery/QueryParametersSample.java
index 2213657cc39..ba908fb2cde 100644
--- a/bigquery/cloud-client/src/main/java/com/example/bigquery/QueryParametersSample.java
+++ b/bigquery/cloud-client/src/main/java/com/example/bigquery/QueryParametersSample.java
@@ -30,7 +30,6 @@
 
 import java.io.IOException;
 import java.util.Arrays;
-import java.util.Iterator;
 import java.util.List;
 
 /** A sample that demonstrates use of query parameters. */
@@ -141,6 +140,7 @@ private static void runNamed(final String corpus, final long minWordCount)
       response = bigquery.getQueryResults(response.getJobId());
     }
 
+    // Check for errors.
     if (response.hasErrors()) {
       String firstError = "";
       if (response.getExecutionErrors().size() != 0) {
@@ -149,12 +149,14 @@ private static void runNamed(final String corpus, final long minWordCount)
       throw new RuntimeException(firstError);
     }
 
+    // Print all pages of the results.
     QueryResult result = response.getResult();
-    Iterator<List<FieldValue>> iter = result.iterateAll();
+    while (result != null) {
+      for (List<FieldValue> row : result.iterateAll()) {
+        System.out.printf("%s: %d\n", row.get(0).getStringValue(), row.get(1).getLongValue());
+      }
 
-    while (iter.hasNext()) {
-      List<FieldValue> row = iter.next();
-      System.out.printf("%s: %d\n", row.get(0).getStringValue(), row.get(1).getLongValue());
+      result = result.getNextPage();
     }
   }
   // [END bigquery_query_params]
@@ -193,6 +195,7 @@ private static void runArray(String gender, String[] states) throws InterruptedE
       response = bigquery.getQueryResults(response.getJobId());
     }
 
+    // Check for errors.
     if (response.hasErrors()) {
       String firstError = "";
       if (response.getExecutionErrors().size() != 0) {
@@ -201,12 +204,14 @@ private static void runArray(String gender, String[] states) throws InterruptedE
       throw new RuntimeException(firstError);
     }
 
+    // Print all pages of the results.
     QueryResult result = response.getResult();
-    Iterator<List<FieldValue>> iter = result.iterateAll();
+    while (result != null) {
+      for (List<FieldValue> row : result.iterateAll()) {
+        System.out.printf("%s: %d\n", row.get(0).getStringValue(), row.get(1).getLongValue());
+      }
 
-    while (iter.hasNext()) {
-      List<FieldValue> row = iter.next();
-      System.out.printf("%s: %d\n", row.get(0).getStringValue(), row.get(1).getLongValue());
+      result = result.getNextPage();
     }
   }
   // [END bigquery_query_params_arrays]
@@ -240,6 +245,7 @@ private static void runTimestamp() throws InterruptedException {
       response = bigquery.getQueryResults(response.getJobId());
     }
 
+    // Check for errors.
     if (response.hasErrors()) {
       String firstError = "";
       if (response.getExecutionErrors().size() != 0) {
@@ -248,19 +254,21 @@ private static void runTimestamp() throws InterruptedException {
       throw new RuntimeException(firstError);
     }
 
+    // Print all pages of the results.
     QueryResult result = response.getResult();
-    Iterator<List<FieldValue>> iter = result.iterateAll();
-
     DateTimeFormatter formatter = ISODateTimeFormat.dateTimeNoMillis().withZoneUTC();
-    while (iter.hasNext()) {
-      List<FieldValue> row = iter.next();
-      System.out.printf(
-          "%s\n",
-          formatter.print(
-              new DateTime(
-                  // Timestamp values are returned in microseconds since 1970-01-01T00:00:00 UTC,
-                  // but org.joda.time.DateTime constructor accepts times in milliseconds.
-                  row.get(0).getTimestampValue() / 1000, DateTimeZone.UTC)));
+    while (result != null) {
+      for (List<FieldValue> row : result.iterateAll()) {
+        System.out.printf(
+            "%s\n",
+            formatter.print(
+                new DateTime(
+                    // Timestamp values are returned in microseconds since 1970-01-01T00:00:00 UTC,
+                    // but org.joda.time.DateTime constructor accepts times in milliseconds.
+                    row.get(0).getTimestampValue() / 1000, DateTimeZone.UTC)));
+      }
+
+      result = result.getNextPage();
     }
   }
   // [END bigquery_query_params_timestamps]
diff --git a/bigquery/cloud-client/src/main/java/com/example/bigquery/QuerySample.java b/bigquery/cloud-client/src/main/java/com/example/bigquery/QuerySample.java
index 44d7b27e01b..c9e9438eb73 100644
--- a/bigquery/cloud-client/src/main/java/com/example/bigquery/QuerySample.java
+++ b/bigquery/cloud-client/src/main/java/com/example/bigquery/QuerySample.java
@@ -35,7 +35,6 @@
 import org.apache.commons.cli.ParseException;
 
 import java.io.IOException;
-import java.util.Iterator;
 import java.util.List;
 import java.util.UUID;
 import java.util.concurrent.TimeoutException;
@@ -144,17 +143,7 @@ public static void runQuery(QueryJobConfiguration queryConfig)
 
     // Print all pages of the results.
     while (result != null) {
-      if (response.hasErrors()) {
-        String firstError = "";
-        if (response.getExecutionErrors().size() != 0) {
-          firstError = response.getExecutionErrors().get(0).getMessage();
-        }
-        throw new RuntimeException(firstError);
-      }
-
-      Iterator<List<FieldValue>> iter = result.iterateAll();
-      while (iter.hasNext()) {
-        List<FieldValue> row = iter.next();
+      for (List<FieldValue> row : result.iterateAll()) {
         for (FieldValue val : row) {
           System.out.printf("%s,", val.toString());
         }
diff --git a/bigquery/cloud-client/src/main/java/com/example/bigquery/SimpleApp.java b/bigquery/cloud-client/src/main/java/com/example/bigquery/SimpleApp.java
index 5984a3957d1..fb02f5ffd24 100644
--- a/bigquery/cloud-client/src/main/java/com/example/bigquery/SimpleApp.java
+++ b/bigquery/cloud-client/src/main/java/com/example/bigquery/SimpleApp.java
@@ -28,7 +28,6 @@
 import com.google.cloud.bigquery.QueryResponse;
 import com.google.cloud.bigquery.QueryResult;
 
-import java.util.Iterator;
 import java.util.List;
 import java.util.UUID;
 // [END create_client]
@@ -73,11 +72,9 @@ public static void main(String... args) throws Exception {
     // [START print_results]
     QueryResult result = response.getResult();
 
+    // Print all pages of the results.
     while (result != null) {
-      Iterator<List<FieldValue>> iter = result.iterateAll();
-
-      while (iter.hasNext()) {
-        List<FieldValue> row = iter.next();
+      for (List<FieldValue> row : result.iterateAll()) {
         List<FieldValue> titles = row.get(0).getRepeatedValue();
         System.out.println("titles:");