There are multiple answers on chegg for this question but they all fal short - either missing sentinel, or calculate discount but do not calculate actual total or apply discount...

A pet shop wants to give a discount to its clients if they buy one or more pets and at least five other items. The discount is equal to 20 percent of the cost of the other items, but not the pets.

To solve the problem, implement a method:

public static void discount(double[] prices, boolean[] isPet, int nItems)

The method receives information about a particular sale. For the ith item, prices[i] is the price before any discount, and isPet[i] is true if the item is a pet.

Write a program that prompts a cashier via a method to enter each price and then a Y for a pet or N for another item. Use a price of -1 as a sentinel. Save the inputs in an array. Call the discount()method, and display the discount.

Must have: Good java style; JavaDoc comments and comments in the code.