<dependencies>
        <dependency>
            <groupId>org.apache.rocketmq</groupId>
            <artifactId>rocketmq-client-java</artifactId>
            <version>5.0.6</version>
        </dependency>
</dependencies>

<dependencies>
        <dependency>
            <groupId>org.apache.rocketmq</groupId>
            <artifactId>rocketmq-client-java</artifactId>
            <version>5.0.6</version>
            <exclusions>
                <exclusion>
                    <groupId>org.apache.tomcat</groupId>
                    <artifactId>annotations-api</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
</dependencies>

public class NormalMessageSyncProducer {
    private static final Logger log = LoggerFactory.getLogger(NormalMessageSyncProducer.class);

    private NormalMessageSyncProducer() {
    }

    public static void main(String[] args) throws ClientException, IOException {
        final ClientServiceProvider provider = ClientServiceProvider.loadService();

        // Add the configured AccessKey and SecretKey.
        String accessKey = "yourAccessKey"; // AccessKey, which can be obtained from the Permission Management page in the console.
        String secretKey = "yourSecretKey"; // SecretKey, which can be obtained from the Permission Management page in the console.
        SessionCredentialsProvider sessionCredentialsProvider =
            new StaticSessionCredentialsProvider(accessKey, secretKey);

        // Enter the access address provided by Tencent Cloud.
        String endpoints = "rmq-xxx.rocketmq.xxxtencenttdmq.com:8080";
        ClientConfiguration clientConfiguration = ClientConfiguration.newBuilder()
            .setEndpoints(endpoints)
            .enableSsl(false)
            .setCredentialProvider(sessionCredentialsProvider)
            .build();
        String topic = "yourNormalTopic";
        // In most case, you don't need to create too many producers, singleton pattern is recommended.
        final Producer producer = provider.newProducerBuilder()
            .setClientConfiguration(clientConfiguration)
            // Set the topic name(s), which is optional but recommended. It makes producer could prefetch the topic
            // route before message publishing.
            .setTopics(topic)
            // May throw {@link ClientException} if the producer is not initialized.
            .build();
        // Define your message body.
        byte[] body = "This is a normal message for Apache RocketMQ".getBytes(StandardCharsets.UTF_8);
        String tag = "yourMessageTagA";
        final Message message = provider.newMessageBuilder()
            // Set topic for the current message.
            .setTopic(topic)
            // Message secondary classifier of message besides topic.
            .setTag(tag)
            // Key(s) of the message, another way to mark message besides message id.
            .setKeys("yourMessageKey-1c151062f96e")
            .setBody(body)
            .build();
        try {
            final SendReceipt sendReceipt = producer.send(message);
            log.info("Send message successfully, messageId={}", sendReceipt.getMessageId());
        } catch (Throwable t) {
            log.error("Failed to send message", t);
        }
        // Close the producer when you don't need it anymore.
        producer.close();
    }
}

public class NormalPushConsumer {
    private static final Logger log = LoggerFactory.getLogger(NormalPushConsumer.class);

    private NormalPushConsumer() {
    }

    public static void main(String[] args) throws ClientException, IOException, InterruptedException {
        final ClientServiceProvider provider = ClientServiceProvider.loadService();

        // Add the configured AccessKey and SecretKey.
        String accessKey = "yourAccessKey"; // AccessKey, which can be obtained from the Permission Management page in the console.
        String secretKey = "yourSecretKey"; // SecretKey, which can be obtained from the Permission Management page in the console.
        SessionCredentialsProvider sessionCredentialsProvider =
            new StaticSessionCredentialsProvider(accessKey, secretKey);

        // Enter the access address provided by Tencent Cloud.
        String endpoints = "rmq-xxx.rocketmq.xxxtencenttdmq.com:8080";
        ClientConfiguration clientConfiguration = ClientConfiguration.newBuilder()
            .setEndpoints(endpoints)
            .enableSsl(false)
            .setCredentialProvider(sessionCredentialsProvider)
            .build();
        String tag = "*";
        FilterExpression filterExpression = new FilterExpression(tag, FilterExpressionType.TAG);
        String consumerGroup = "yourConsumerGroup";
        String topic = "yourTopic";
        // In most case, you don't need to create too many consumers, singleton pattern is recommended.
        PushConsumer pushConsumer = provider.newPushConsumerBuilder()
            .setClientConfiguration(clientConfiguration)
            // Set the consumer group name.
            .setConsumerGroup(consumerGroup)
            // Set the subscription for the consumer.
            .setSubscriptionExpressions(Collections.singletonMap(topic, filterExpression))
            .setMessageListener(messageView -> {
                // Handle the received message and return consume result.
                log.info("Consume message={}", messageView);
                return ConsumeResult.SUCCESS;
            })
            .build();
        // Block the main thread, no need for production environment.
        Thread.sleep(Long.MAX_VALUE);
        // Close the push consumer when you don't need it anymore.
        pushConsumer.close();
    }
}