i need help this java clas

learned concepts: Java arrays and modules, Core concept of Object

$-$

Oriented Programming

$($

OOP

$)$

$$

Class and Object

Relationship Between Class and Object

Benefits of OOP over procedural programming

Components of a class

Fields

$/$

Attributes

$/$

Instance Variables

$$Behaviors

$/$

Methods

Access Specifier

Outline of the OOP Workflow

Communication Between Data Definition Class and Implementation Class

UML Diagram

Class Diagram

$,$

$$ and Constructors in OOP

$$Default Constructor

Specific

$/$

$$Parameterized Constructor

Overloading Constructors

Uses of

$$

this

$$

$$keyword

Chain of Constructor

Calling a Constructor Within another Constructor