Chapter 6, Problem 2AW

Constructor:

• Constructor is a special type of method that initializes the objects that are created in the class.
• A constructor is similar to method and will have same name as the class.
• Constructor does not contain any explicit return type.

Syntax:

The below is the syntax of the constructor

class Name_of_class

{

Name_of_class()

{

}

}

Constructor for the given class:

Accessor:

The accessor method is used for returning the values of the private field that are defined.

The accessor methods are prefixed with the word “get” followed by the name of the method.

Mutator:

The mutator method is used for setting the values of the private field that are defined.

The accessor methods are prefixed with the word “set” followed by the name of the method.

Accessor and mutator methods of the class “Book”:

The below are the accessor and mutator methods:

Mutator of the class “Book”:

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UML diagram of the class:

The below class diagram is type of UML(Unified Modeling Language) represents the static structural diagram which is used in describing the system structure with the name of the class followed by their attributes, methods and the relationship that is laid with the objects of the class that is created:

Book

title:String