Which Of The Following Represents A Dequeue Operation Count Is #129
Which of the following represents a dequeue operation? (count is the number of elements in the queue)
This multiple choice question (MCQ) is related to the book/course
gs gs121 Data Structures and Algorithms.
It can also be found in
gs gs121 Abstract Data Types - Queue using Array - Quiz No.1.
Which of the following represents a dequeue operation? (count is the number of elements in the queue)
public Object dequeue() { if(count == 0) { System.out.println("Queue underflow"); return 0; } else { Object ele = q[front]; q[front] = null; front = (front+1)%CAPACITY; count--; return ele; } } public Object dequeue() { if(count == 0) { System.out.println("Queue underflow"); return 0; } else { Object ele = q[front]; front = (front+1)%CAPACITY; q[front] = null; count--; return ele; } } public Object dequeue() { if(count == 0) { System.out.println("Queue underflow"); return 0; } else { front = (front+1)%CAPACITY; Object ele = q[front]; q[front] = null; count--; return ele; } } public Object dequeue() { if(count == 0) { System.out.println("Queue underflow"); return 0; } else { Object ele = q[front]; q[front] = null; front = (front+1)%CAPACITY; return ele; count--; } }Similar question(s) are as followings:
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