Answered: Use your previous working Java program…

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

Use your previous working Java program as a starting point (Project 3). Create another function that determines whether the customer should receive a discount. Assume your food truck gives a 10% discount on orders over $50 (the total BEFORE tax). If the order is eligible for a discount, then calculate and display the discount. If the order does not get a discount, then still display the discount, but it should be 0. Include a line before this that tells every customer that your business gives a 10% discount on all orders over $50 so they understand this part of their receipt.

You will also create two classes, one for existing project two called foodTrack and another class called foodDiscount that extends foodTrack.

This is project 3:

//initialize program

import java.util.Scanner;

public class Main

{

finalstatic String items[]=new String[]{"FRIES","CHEESESTEAK","BISCUIT","SALADBOWL","DONUTBOX","SALESTAX"};

finalstaticfloat price[]=newfloat[]{2.99F,5.99F,.99F,5.99F,10.99F,.06F};//declare array functions and variables

staticfloat subTotal=0, TAX=0, total=0, tender=0,change=0;

publicstaticvoid getInput(int[] ordered_items)

{

Scanner sc= new Scanner(System.in);

for(int i=0;i<5;i++)

{//get input from the userand showcase price and per item as well as quantity

//ask the user questions

System.out.println("How many "+ items[i] +" would you like to order? (each at: " + price[i] + ")");

ordered_items[i] = sc.nextInt();

}

publicstaticvoid billCalculator(int[] ordered_items,float[] item_bill)

{

for(int i=0;i<5;i++)//calculate for the itemsor dered

{

item_bill[i] = ordered_items[i]*price[i];

}

for(int i=0;i<5;i++)//calculate the price for the items ordered

{

subTotal+=item_bill[i];

}//calculate subtotal and total

TAX = subTotal * price[5];

total = subTotal + TAX;

}

publicstaticvoid printBill(int[] ordered_items,float[] item_bill)

//Receipt displayal starts here

{

System.out.println("\t\t\t\t\t\tTop Cuisine");

System.out.println("\t\t\t\t\t\t1267 Loongton st.");

System.out.println("\t\t\t\t\thyattsville, Maryland 28746");

System.out.println("\t\t\t\t\t\t301-273-378");

for(int i=0;i<5;i++)

{

System.out.println(ordered_items[i] + " " + items[i] + " each at: $" + price[i] + "\t\t\t\t\t\t\t\t $" + item_bill[i]);

}

//Display items quantity ordered, and cost per individual item

//start displaying the total , taxes, subtotal and change.

System.out.println(" Subtotal :\t\t\t\t\t\t\t\t\t\t\t\t$"+subTotal );

System.out.println(" Taxes : \t\t\t\t\t\t\t\t\t\t\t\t$" +TAX);

System.out.println(" Total :\t\t\t\t\t\t\t\t\t\t\t\t$"+total);

System.out.println(" Tender :\t\t\t\t\t\t\t\t\t\t\t\t$" +tender);

System.out.println(" Change :\t\t\t\t\t\t\t\t\t\t\t\t$" +change);

System.out.println("\t\t\t\t Thank You For Visiting ! Come Again!");

}

//displya total amount due to user if not met, loop back until price is correctly payed.

publicstaticvoid main(String[] args)

{

int ordered_items[]=newint[5];

float item_bill[]=newfloat[5];

getInput(ordered_items);

billCalculator(ordered_items, item_bill);

System.out.println("How much will you be paying ? (Total is " + total + ")");

Scanner sc= new Scanner(System.in);

while(true)

{

tender = sc.nextFloat();

if(tender<total)

{

System.out.println("You are paying "+(total-tender)+" less than the total bill");

System.out.println("Please re-enter the amount");

}

else

{

break;

}

change = tender - total;

printBill(ordered_items, item_bill);

}

//program finished.

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