Before you use code in the Java language to send and receive messages, perform the steps that are described in this topic to prepare the environment.
Procedure
- Use one of the following methods to add the dependency:
- Introduce the dependency by using Maven:
<dependency> <groupId>com.aliyun.openservices</groupId> <artifactId>ons-client</artifactId> <!--Replace the following version number with the latest version number of ApsaraMQ for RocketMQ SDK for Java--> <version>1.8.8.1.Final</version> </dependency>
Note For information about the versions of ApsaraMQ for RocketMQ SDK for Java, see Release notes. - Download the dependency JAR package. For information about how to download the lastest version of ApsaraMQ for RocketMQ SDK for Java, see Release notes.
- Introduce the dependency by using Maven:
Create resources that are referred to in the code of the TCP client SDK for Java in the ApsaraMQ for RocketMQ console. The resources include topics and group IDs.
You can create resources based on the following two protocols:
HTTP: For more information, see Create resources.
TCP: For more information, see Create resources.