import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;

import javax.jms.*;

public class JMSProducer {
    //默認連接用戶名
    private static final String USERNAME = ActiveMQConnection.DEFAULT_USER;
    //默認連接密碼
    private static final String PASSWORD = ActiveMQConnection.DEFAULT_PASSWORD;
    
 
//默認連接地址
    private static final String BROKEURL = ActiveMQConnection.DEFAULT_BROKER_URL;
    //發送的消息數量
    private static final int SENDNUM = 10;

    public static void main(String[] args) {
        //連接工廠
        ConnectionFactory connectionFactory;
        //連接
        Connection connection = null;
        
 
//會話 接受或者發送消息的線程
        Session session;
        //消息的目的地
        Destination destination;
        //消息生產者
        MessageProducer messageProducer;
        //實例化連接工廠
        connectionFactory = new ActiveMQConnectionFactory(JMSProducer.USERNAME, JMSProducer.PASSWORD, JMSProducer.BROKEURL);

        try {
            
 
//通過連接工廠獲取連接
            connection = connectionFactory.createConnection();
            //啟動連接
            connection.start();
            //創建session
            session = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);
            //創建一個名稱為HelloWorld的消息隊列
            destination = session.createQueue("HelloWorld");
            //創建消息生產者
            messageProducer = session.createProducer(destination);
            //發送消息
            sendMessage(session, messageProducer);

            session.commit();

        } catch (Exception e) {
            e.printStackTrace();
        }finally{
            if(connection != null){
                try {
                    connection.close();
                } catch (JMSException e) {
                    e.printStackTrace();
                }
            }
        }

    }
    /**
     * 發送消息
     * @param session
     * @param messageProducer  消息生產者
     * @throws Exception
     */
    public static void sendMessage(Session session,MessageProducer messageProducer) throws Exception{
        for (int i = 0; i < JMSProducer.SENDNUM; i++) {
            //創建一條文本消息
            TextMessage message = session.createTextMessage("消息提供者發送到MQ的第" + i + "個報文！");
            System.out.println("消息提供者發送到MQ的第" + i + "個報文！");
            //通過消息生產者發出消息
            messageProducer.send(message);
        }

    }
}

import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;

import javax.jms.*;

public class JMSConsumer {
    private static final String USERNAME = ActiveMQConnection.DEFAULT_USER;//默認連接用戶名
    private static final String PASSWORD = ActiveMQConnection.DEFAULT_PASSWORD;//默認連接密碼
    private static final String BROKEURL = ActiveMQConnection.DEFAULT_BROKER_URL;//默認連接地址

    public static void main(String[] args) {
        ConnectionFactory connectionFactory;//連接工廠
        Connection connection = null;//連接

        Session session;//會話 接受或者發送消息的線程
        Destination destination;//消息的目的地

        MessageConsumer messageConsumer;//消息的消費者

        //實例化連接工廠
        connectionFactory = new ActiveMQConnectionFactory(JMSConsumer.USERNAME, JMSConsumer.PASSWORD, JMSConsumer.BROKEURL);

        try {
            //通過連接工廠獲取連接
            connection = connectionFactory.createConnection();
            //啟動連接
            connection.start();
            //創建session
            session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
            //創建一個連接HelloWorld的消息隊列
            destination = session.createQueue("HelloWorld");
            //創建消息消費者
            messageConsumer = session.createConsumer(destination);

            while (true) {
                TextMessage textMessage = (TextMessage) messageConsumer.receive(100000);
                if(textMessage != null){
                    System.out.println("收到的消息:" + textMessage.getText());
                }else {
                    break;
                }
            }

        } catch (JMSException e) {
            e.printStackTrace();
        }

    }
}

Java連接ActiveMQ代碼示例(Producer和Consumer)