Consider the version of the FireAlarm program written in JMS. How would you extend the consumer to receive alarms only from a given location?
What will be an ideal response?
This particular example is implemented using a TopicConnection in JMS, that is using the publish-subscribe style of connection. The desired effect can be achieved by associating a user-defined property with each message, capturing the originating location of this message with the consumer specifying a message selector based on topic and this property.
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a. O(1) b. O(0) c. O(n) d. O(n^2)
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a. positive b. symmetrical c. indexed d. negative
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Fill in the blank(s) with the appropriate word(s).
After the completion processing of the program to update a sequential file,
a. The old master file is the same as the new master file. b. The backup file is the same as the new master file. c. The old master file is the same as the backup file. d. None of the above.