Answered: I CANT GET IT RIGHT Create a class…

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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Question

I CANT GET IT RIGHT

Create a class named Purchase. Each Purchase contains an invoice number, amount of sale, and amount of sales tax. Include set methods for the invoice number and sale amount. Within the set() method for the sale amount, calculate the sales tax as 5% of the sale amount. Also include a display method that displays a purchase’s details.

CODE

import java.util.Scanner;

class CreatePurchase

{

publicstaticvoidmain(Stringargs[])

{

Purchase purchase=newPurchase();

Scanner s=newScanner(System.in);

System.out.println("Enter the details: ");

while(true)

{

System.out.print("Enter invoice number[between 1000 and 8000]: ");

int i=s.nextInt();

if(i>=1000&& i<=8000){purchase.setInvoiceNumber(i);break;}

else System.out.println("Wrong entry,enter again");

}

while(true)

{

System.out.print("Enter amount of purchase[should be non-negative]: ");

int i=s.nextInt();

if(i>=0){purchase.setAmountOfSales(i);break;}

else System.out.println("Wrong entry,enter again");

}

purchase.display();

}

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