Given the following code, assume the myQueue object is a queue that can hold integers and that value is an int variable. 1 myQueue.enqueue(0);
2 myQueue.enqueue(1);
3 myQueue.enqueue(2);
4 myQueue.dequeue(value);
5 myQueue.enqueue(3);
6 myQueue.dequeue(value);
7 cout

Question

Given the following code, assume the myQueue object is a queue that can hold integers and that value is an int variable. 1 myQueue.enqueue(0);
2 myQueue.enqueue(1);
3 myQueue.enqueue(2);
4 myQueue.dequeue(value);
5 myQueue.enqueue(3);
6 myQueue.dequeue(value);
7 cout << value << endl;
Assume that the dequeue function, called on lines 4 and 6, stores the number removed from the queue in the value variable. What will the statement on line 7 display?
A) 0
B) 1
C) 2
D) 3
E) None of these

Quizplus · Accepted Answer

The queue follows the FIFO (First In, First Out) principle. The first dequeue removes 0, and the second dequeue removes 1, so the value printed is 1.

Given the Following Code, Assume the MyQueue Object Is a Queue