What is the sum of the contents of queue2?
Given two initially empty queues, queue1 and queue2 and the following commands.
queue1.enqueue(1)
queue1.enqueue(2)
queue2.enqueue(3)
queue1.enqueue(4)
queue1.dequeue()
queueFront = queue1.peekFront()
queue1.enqueue(queueFront)
queue2.enqueue(5)
queue1.dequeue()
queue2.enqueue(7)
a. 4
b. 15
c. 19
d. none of these
b. 15
Computer Science & Information Technology
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