What strategy results in the phenomenon of “rightward drift”?
What will be an ideal response?
implementing a queue in an array and incrementing the tail and head after a sequence of additions and removals, items in the queue will drift toward the end of the array, eventually making the array seem full, even if the queue has only a few items
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When creating and controlling backups for a sequential batch system,
A. the number of backup versions retained depends on the amount of data in the file B. off-site backups are not required C. backup files can never be used for scratch files D. the more significant the data, the greater the number of backup versions
Open a new folder. Copy all the source files of the Hello example to the folder. Add code in the sayHello method of HelloImpl.java so that there is a 5 second delay before the method returns. This has the effect of artificially lengthening the latency for each remote method call. Compile and start the server. In separate screens, start two or more clients. Object the sequence of events displayed on the screens. Can you tell if the method calls are executed by the object server concurrently or iteratively? Explain.
What will be an ideal response?
In a table, if you need to store the extended price (number of units sold times the price per unit) of an order, you would store the data in a ________ field
A) text B) calculated C) media D) hyperlink
____ is a GUI design tool that allows the developer to create a user interface visually without having to spend a lot of time trying to position all the controls within the interface.
A. Scene Builder B. JavaFX C. CSS D. Swing