Assume that Driver is a predefined class and that the declaration Driver drivers; has already been performed. Then the instruction: drivers= new Driver [5]; reserves memory space for: | 5 reference variables and 5 Driver objects O 5 Driver objects O a single reference variable that points to a single Driver object O a single Driver object O 5 reference variables, each of which can point to a separate Driver object

Assume that Driver is a predefined class and that the declaration Driver drivers; has already been performed. Then the instruction: drivers= new Driver [5]; reserves memory space for: | 5 reference variables and 5 Driver objects O 5 Driver objects O a single reference variable that points to a single Driver object O a single Driver object O 5 reference variables, each of which can point to a separate Driver object

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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Concept explainers

Concept of Pointer Parameter

Pointers are the special variable that stores the variable address, instead of storing the variable value. Pointer is a powerful feature of a programming language. A pointer is mostly used to save memory space and improve execution time.

Question

Assume that Driver is a predefined class and that the declaration Driver drivers; has
already been performed. Then the instruction:
drivers= new Driver [5];
reserves memory space for:
| 5 reference variables and 5 Driver objects
O 5 Driver objects
a single reference variable that points to a single Driver object
a single Driver object
O 5 reference variables, each of which can point to a separate Driver object

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