There are 2 arrays, the first contains item numbers in inventory and the second parallel array contains the price of the items. The user will enter the item number they want to purchase, the program checks to see if it is a valid entry. If it is valid, it will tell the user the price of the item. If it is an invalid item, a message will display telling the user they entered an invalid item. Type up the code below, execute the program a few times. Import javax.swing.*:public class ParallelArrays {public static void main(String[] args) {II Variables neededInt item;double price = 0.0;String itemEntered =boolean valid = false;// Set up arraysInt[] items Arr = {101, 102, 103, 452, 524, 601, 775);double priceArr(7.52, 18.36, 1.25, 450.99, 19.99, 24.97, 101.33);// Use a loop to allow the user to order itemsdo {II Ask the user to enter an item to purchaseitemEntered = JOptionPane.show/nputDialog(null, "Enter the item number toorder, enter '9999' to quit");item= Integer.parse/nfitemEntered); item + " is $" + price);}}// If the item number entered is validif(!itemEntered.equals("9999"))}{+ item + " is invalid, please try again.");// Loop through the items array to see if it therefor (int x = 0; x< itemsArr.length; x++){}else// If the item number is foundif (item == itemsArr[x]){}if (valid == true)}valid = true;price = priceArr[x];JOptionPane.showMessageDialog(null, "The price of item " +JOptionPane.showMessageDialog(null, "The item you chose: "// Reset the valuesprice = 0.0;itemEntered = "";valid = false;while (!itemEntered.equals("9999"));JOptionPane.showMessageDialog(null, "Program complete");

The JAVA code is given below along with multiple output screenshots

Answered: There are 2 arrays, the first contains…

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

There are 2 arrays, the first contains
item numbers in inventory and the second parallel array contains the price of the items. The
user will enter the item number they want to purchase, the program checks to see if it is a valid
entry. If it is valid, it will tell the user the price of the item. If it is an invalid item, a message will
display telling the user they entered an invalid item. Type up the code below, execute the
program a few times.

Import javax.swing.*:
public class ParallelArrays {
public static void main(String[] args) {
II Variables needed
Int item;
double price = 0.0;
String itemEntered =
boolean valid = false;
// Set up arrays
Int[] items Arr = {101, 102, 103, 452, 524, 601, 775);
double priceArr(7.52, 18.36, 1.25, 450.99, 19.99, 24.97, 101.33);
// Use a loop to allow the user to order items
do {
II Ask the user to enter an item to purchase
itemEntered = JOptionPane.show/nputDialog(null, "Enter the item number to
order, enter '9999' to quit");
item= Integer.parse/nfitemEntered);

item + " is $" + price);
}
}
// If the item number entered is valid
if
(!itemEntered.equals("9999"))
}
{
+ item + " is invalid, please try again.");
// Loop through the items array to see if it there
for (int x = 0; x< itemsArr.length; x++)
{
}
else
// If the item number is found
if (item == itemsArr[x])
{
}
if (valid == true)
}
valid = true;
price = priceArr[x];
JOptionPane.showMessageDialog(null, "The price of item " +
JOptionPane.showMessageDialog(null, "The item you chose: "
// Reset the values
price = 0.0;
itemEntered = "";
valid = false;
while (!itemEntered.equals("9999"));
JOptionPane.showMessageDialog(null, "Program complete");

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