QUESTION 18 Given empty Queue customerNums, what are the queue's elements after the following code block is executed? customerNums.add(5); customerNums.add(2); customerNums.add(6): customerNums.remove(): customerNums.remove(): O a. [5] O b. [6] OC [2.6] Od. [5, 2]

QUESTION 18 Given empty Queue customerNums, what are the queue's elements after the following code block is executed? customerNums.add(5); customerNums.add(2); customerNums.add(6): customerNums.remove(): customerNums.remove(): O a. [5] O b. [6] OC [2.6] Od. [5, 2]

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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