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JMS interview questions

!!! JMS interview questions !!!

What is the different between JMS and RPC?



RPC : Remote procedure Call
In RPC the method invoker waits for the method to finish execution and return the control back to the invoker. Thus it is completely synchronous in nature.

Example : In a website click on any link ( country list link) and then website jsp call to database and get all the country list and shows in the screen.

JMS : Java Messaging System
While in JMS the message sender just sends the message to the destination and continues it's own processing. The sender does not wait for the receiver to respond. This is asynchronous behavior.

Example : Send a postal letter in post office and doing other works. Not waiting for post to receive.

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