Accessor method:

The object’s data is encapsulated which protects the object from corruption by other objects and conceals an object’s implementation details from outsiders.

Methods used to obtain the information about an object are known as accessor methods. It is also known as getter methods.

Mutator method:

It is the method used to control the changes to a variable...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Chapter 9.7, Problem 9.7.3CP

Chapter 9.9, Problem 9.9.2CP

Students have asked these similar questions

What access specifier is used by constructors, destructors, and member functions? And why is this so?

Describe a signature of a constructor or method, and explain what overloading means

Discuss the role of access modifiers (e.g., public, private, protected) in method overriding and their impact on the visibility and accessibility of overridden methods.

Chapter 9 Solutions

Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)

Ch. 9.3 - Prob. 9.3.1CP Ch. 9.3 - How do you define a class?Ch. 9.3 - How do you declare an objects reference variable?Ch. 9.3 - How do you create an object?Ch. 9.4 - Prob. 9.4.5CP Ch. 9.4 - When will a class have a default constructor?Ch. 9.5 - Which operator is used to access a data field or...Ch. 9.5 - What is an anonymous object?Ch. 9.5 - Prob. 9.5.3CP Ch. 9.5 - Is an array an object or a primitive-type value?...

Ch. 9.5 - Prob. 9.5.5CP Ch. 9.5 - What is wrong in the following code? 1. class Test...Ch. 9.5 - Prob. 9.5.7CP Ch. 9.6 - Prob. 9.6.1CP Ch. 9.6 - Prob. 9.6.2CP Ch. 9.6 - Which packages contain the classes Date, Random,...Ch. 9.7 - Suppose the class F is defined in (a). Let f be an...Ch. 9.7 - Prob. 9.7.2CP Ch. 9.7 - Can you invoke an instance method or reference an...Ch. 9.9 - Prob. 9.9.1CP Ch. 9.9 - Prob. 9.9.2CP Ch. 9.9 - In the following code, radius is private in the...Ch. 9.10 - Prob. 9.10.1CP Ch. 9.10 - Show the output of the following program: public...Ch. 9.10 - Show the output of the following code:Ch. 9.10 - Prob. 9.10.4CP Ch. 9.11 - What is wrong in the following code? 1public class...Ch. 9.12 - If a class contains only private data fields and...Ch. 9.12 - If all the data fields in a class are private and...Ch. 9.12 - Is the following class immutable? public class A {...Ch. 9.13 - What is the output of the following program?...Ch. 9.14 - Prob. 9.14.2CP Ch. 9.14 - Prob. 9.14.3CP Ch. 9 - (The Rectangle class) Following the example of the...Ch. 9 - (The Stock class) Following the example of the...Ch. 9 - (Use the Date class) Write a program that creates...Ch. 9 - Prob. 9.4PE Ch. 9 - (Use the GregorianCa1endar class) Java API has the...Ch. 9 - (Stopwatch) Design a class named StopWatch. The...Ch. 9 - (The Account class) Design a class named Account...Ch. 9 - (The Fan class) Design a class named Fan to...Ch. 9 - (Geometry: n-sided regular polygon) In an n-sided...Ch. 9 - Prob. 9.10PE Ch. 9 - (Algebra: 2 2linear equations) Design a class...Ch. 9 - (Geometry: intersecting point) Suppose two line...Ch. 9 - (The Location class) Design a class named Location...

Knowledge Booster

Solution Summary: The author explains how accessor methods, getter methods and mutator methods are used to obtain information about an object.

Explanation of Solution

Want to see the full answer?

Chapter 9 Solutions