Implement all the classes using Java programming language from the given UML Class diagram.Note: This problem requires you to submit just two classes: Customer.java, Invoice.java.Do NOT include "public static void main()" method inside all of these classes. Graders will be testing your classes, using the unit-testing framework JUnit 4.Customer- ID:int-name:String-discount:intDiscount rate in percent+Customer(ID:int,name:String,discount:int)+getID():int+getName ():String+getDiscount():int+setDiscount(discount:int):void+toString():String"name (ID)"The Customer class models, a customer design as shown in the class diagram. Write the codes for the Customer class and a test driver to test all the publicmethods.Invoice- ID:int Invoice-ID:int1- customer:Customer- amount:doubleCustomer+Invoice(ID:int,customer:Customer,amount:double)+getID():int+getCustomer():Customer+setCustomer(customer:Customer):void+getAmount ():String+setAmount (amount:double):void+getCustomerName ():String+getAmountAfterDiscount():doubleThe Invoice class, design as shown in the class diagram, compose a customer instance (written earlier) as its member. Write the codes for the Invoice class anda test driver to test all the public methods.

//Customer.java public class Customer { private int ID; private String name; private int…

Answered: Implement all the classes using Java…

Implement all the classes using Java programming language from the given UML Class diagram. Note: This problem requires you to submit just two classes: Customer.java, Invoice.java.

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

OOPs

In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.

Constructor

The easiest way to think of a constructor in object-oriented programming (OOP) languages is:

Question

Implement all the classes using Java programming language from the given UML Class diagram.
Note: This problem requires you to submit just two classes: Customer.java, Invoice.java.
Do NOT include "public static void main()" method inside all of these classes. Graders will be testing your classes, using the unit-testing framework JUnit 4.
Customer
- ID:int
-name:String
-discount:int
Discount rate in percent
+Customer(ID:int,name:String,
discount:int)
+getID():int
+getName ():String
+getDiscount():int
+setDiscount(discount:int):void
+toString():String
"name (ID)"
The Customer class models, a customer design as shown in the class diagram. Write the codes for the Customer class and a test driver to test all the public
methods.
Invoice
- ID:int

Invoice
-ID:int
1
- customer:Customer
- amount:double
Customer
+Invoice(ID:int,customer:Customer,
amount:double)
+getID():int
+getCustomer():Customer
+setCustomer(customer:Customer):void
+getAmount ():String
+setAmount (amount:double):void
+getCustomerName ():String
+getAmountAfterDiscount():double
The Invoice class, design as shown in the class diagram, compose a customer instance (written earlier) as its member. Write the codes for the Invoice class and
a test driver to test all the public methods.

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