Answered: a. Sammy's Seashore Supplies rents…

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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a. Sammy's Seashore Supplies rents beach equipment such as kayaks, canoes, beach chairs, and umbrellas to tourists. In Chapters 3 and 4, you created a Rental class for the company.

Now, make the following change to the class:

Currently, a rental price is calculated as $40 per hour plus $1 for each minute over a full hour. This means that a customer who rents equipment for 41 or more minutes past an hour pays more than a customer who waits until the next hour to return the equipment. Change the price calculation so that a customer pays $40 for each full hour and $1 for each extra minute up to and including 40 minutes.

Save the file as Rental.java.

b. In Chapter 4, you modified the RentalDemo class to demonstrate a Rental object. Now, modify that class again as follows:

Instantiate three Rental objects, and prompt the user for values for each object. Display the details for each object to verify that the new price calculation works correctly.
Create a method that accepts two Rental objects and returns the one with the longer rental time. (If the Rentals have the same time, you can return either object.) Call this method three times—once with each pair of instantiated Rentals—and display the contract number and time in hours and minutes for each argument as well as the contract number of the longer Rental.

Save the file as RentalDemo.java.

Create a zip file of the .java file(s) and submit the assignment.

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