In popTop(), if the compareAndSet() in Line 9 succeeds, it returns the element it read right before the successful compareAndSet() operation. Why is it important to read the element from the array before we do the compareAndSet()? Can we use isEmpty() in Line 7 of popTop()?

What are the linearization points of the UnboundedDEQueue methods? Justify your answers.

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Reading the element from the array before performing the compareAndSet operation in popTop is import... View the full answer