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A program performs the following operations on an empty queue Q: Q.enqueue(24) Q.enqueue(74) Q.enqueue(34) Q.first() Q.dequeue() Q.enqueue(12) Q.dequeue() Please show the queue contents at the end of these operations. Clearly show the front of the queu

A program performs the following operations on an empty queue Q: Q.enqueue(24) Q.enqueue(74) Q.enqueue(34) Q.first() Q.dequeue() Q.enqueue(12) Q.dequeue() Please show the queue contents at the end of these operations. Clearly show the front of the queu

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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java data structure

 

Queue:

Q4: A program performs the following operations on an empty queue Q:

  1. Q.enqueue(24)
  2. Q.enqueue(74)
  3. Q.enqueue(34)
  4. Q.first()
  5. Q.dequeue()
  6. Q.enqueue(12)
  7. Q.dequeue()

Please show the queue contents at the end of these operations. Clearly show the front of the queue.

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