ACtiveMQ middleware - message receiving and sending

1. Basic steps for sending a message
(1) Start ActiveMQ's activemq.bat batch file or BrokerService node
(2) Create the factory class ActiveMQConnectionFactory used for connection creation and start the connection through the factory class
(3) Create a session ActiveMQSession through ActiveMQConnection
        (4) Create a queue through ActiveMQSession and return an ActiveMQDestination address
        (5) Create ActiveMQMessageProducer through ActiveMQSession and ActiveMQDestination address
        (6) Send messages through ActiveMQMessageProducer's send() message method
2. Basic steps for receiving messages
(1) Start the BrokerService node of ActiveMQ
(2) Create a connection The factory class used ActiveMQConnectionFactory creates a connection and starts it through the factory class
(3) creates a session ActiveMQSession through ActiveMQConnection
        (4) creates a queue through ActiveMQSession and returns an ActiveMQDestination address
        (5) Creates ActiveMQMessageConsumer through ActiveMQSession and ActiveMQDestination address
        (6) Receive messages or register message listeners through the receive() receiving method of ActiveMQMessageConsumer, and use the onMessage method to receive messages