fix checkstyle

Author: averikitsch

iot/api-client/end-to-end-example/src/main/java/com/example/cloud/iot/endtoend/CloudiotPubsubExampleMqttDevice.java

@@ -58,11 +58,11 @@
  *
  * $ mvn exec:java \
  *       -Dexec.mainClass="com.example.cloud.iot.endtoend.CloudiotPubsubExampleMqttDevice" \
- *       -Dexec.args="-project_id=<your-iot-project> \
- *                 -registry_id=<your-registry-id> \
- *                 -device_id=<device-id> \
- *                 -private_key_file=<path-to-keyfile> \
- *                 -algorithm=<RS256|ES256>"
+ *       -Dexec.args="-project_id=your-iot-project \
+ *                 -registry_id=your-registry-id \
+ *                 -device_id=device-id \
+ *                 -private_key_file=path-to-keyfile \
+ *                 -algorithm=RS256|ES256"
  * </code> </prev>
  *
  * <p>With a single server, you can run multiple instances of the device with different device ids,

iot/api-client/end-to-end-example/src/main/java/com/example/cloud/iot/endtoend/CloudiotPubsubExampleServer.java

@@ -48,25 +48,22 @@
 /**
  * Sample server that pushes configuration to Google Cloud IoT devices.
  *
- * <p>
- * This example represents a server that consumes telemetry data from multiple Cloud IoT devices.
+ * <p>This example represents a server that consumes telemetry data from multiple Cloud IoT devices.
  * The devices report telemetry data, which the server consumes from a Cloud Pub/Sub topic. The
  * server then decides whether to turn on or off individual devices fans.
- * </p>
- * <p>
- * If you are running this example from a Compute Engine VM, you will have to enable the Cloud
+ *
+ * <p>If you are running this example from a Compute Engine VM, you will have to enable the Cloud
  * Pub/Sub API for your project, which you can do from the Cloud Console. Create a pubsub topic, for
  * example projects/my-project-id/topics/my-topic-name, and a subscription, for example
  * projects/my-project-id/subscriptions/my-topic-subscription.
- * </p>
- * <p>
- * You can then run the example with <prev> <code>
+ *
+ * <p>You can then run the example with <prev> <code>
  * $ mvn clean compile assembly:single
- * </p>
+ *
  * $ mvn exec:java \
  *       -Dexec.mainClass="com.example.cloud.iot.endtoend.CloudiotPubsubExampleServer" \
- *       -Dexec.args="-project_id=<your-iot-project> \
- *       -pubsub_subscription=<your-pubsub-subscription"
+ *       -Dexec.args="-project_id=your-iot-project \
+ *       -pubsub_subscription=your-pubsub-subscription"
  *
  * </code> </prev>
  */