What are the core JMS-related objects required for each JMS-enabled application (JMS)

Question :What are the core JMS-related objects required for each JMS-enabled
application? (JMS)
Answer :Each JMS-enabled client must establish the following:
· A connection object provided by the JMS server (the message broker)
· Within a connection, one or more sessions, which provide a context for
message sending and receiving
· Within a session, either a queue or topic object representing the
destination (the message staging area) within the message broker
· Within a session, the appropriate sender or publisher or receiver or
subscriber object (depending on whether the client is a message producer
or consumer and uses a point-to-point or publish/subscribe strategy,
respectively)
Within a session, a message object (to send or to receive)