From 18e2a26b99bf45da61e68b9eb1ac1ea8a5eb48e6 Mon Sep 17 00:00:00 2001
From: zhangjidi2016 <zhangjidi@cmss.chinamobile.com>
Date: Mon, 19 Jul 2021 09:21:48 +0800
Subject: [PATCH] [ISSUE #3164]Fix the checkstyle error

---
 .../java/org/apache/rocketmq/example/quickstart/Producer.java  | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/example/src/main/java/org/apache/rocketmq/example/quickstart/Producer.java b/example/src/main/java/org/apache/rocketmq/example/quickstart/Producer.java
index 0da61779..771eea15 100644
--- a/example/src/main/java/org/apache/rocketmq/example/quickstart/Producer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/quickstart/Producer.java
@@ -18,7 +18,6 @@ package org.apache.rocketmq.example.quickstart;
 
 import org.apache.rocketmq.client.exception.MQClientException;
 import org.apache.rocketmq.client.producer.DefaultMQProducer;
-import org.apache.rocketmq.client.producer.SendCallback;
 import org.apache.rocketmq.client.producer.SendResult;
 import org.apache.rocketmq.common.message.Message;
 import org.apache.rocketmq.remoting.common.RemotingHelper;
@@ -77,7 +76,7 @@ public class Producer {
                  * if you want to get the send result in a synchronize way, you can use this send method
                  * {@code
                  * SendResult sendResult = producer.send(msg);
-                 * System.out.println(sendResult.toString());
+                 * System.out.printf("%s%n", sendResult);
                  * }
                  */
 
-- 
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