Answered: 8. What is the difference between an…

8. What is the difference between an accessor and a mutator? What naming conventions are used with accessors and mutators?

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

Class

Object Oriented Programming System (OOPs) is a programming model built on the perception of “objects” that contains data and methods. The major purpose of Object Oriented Programming is to increase the maintainability and flexibility of programs. Object Oriented Programming gets together data and its behavior (methods) in a single location (object) which makes it easier to understand.

Question

Number 8

and Behavior
6. Explain the differences between a field and a parameter. What is the difference in their syntax? What is the difference
in their scope and the ways in which they may be used?
7. Create a class called Name that represents a person's name. The class should have fields representing the person's
first name, last name, and middle initial. (Your class should contain only fields for now.)
8. What is the difference between an accessor and a mutator? What naming conventions are used with accessors and
mutators?
9. Suppose we have written a class called BankAccount with a method inside it, defined as:
public double compute Interest (int rate)
If the client code has declared a BankAccount variable named acct, which of the following would be a valid call to
the above method?
a. double result = compute Interest (acct, 42);
b. acct.compute Interest (42.0, 15);
c. int result = BankAccount.compute Interest (42);

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