Package inheritance hierarchy program, JAVA Programming

(Package Inheritance Hierarchy) Package-delivery services, such as FedEx®, DHL® and UPS®, offer a number of different shipping options, each with specific costs associated. Create an inheritance hierarchy to represent various types of packages. UsePackage as the base class of the hierarchy, then include classes TwoDayPackage and OvernightPackage that derive fromPackage. Base class Package should include the name, address, city, state and zip code for the package's sender and recipient, and instance variables that store the weight (in ounces) and cost per ounce to ship the package. Package's constructor should initialize these private instance variables with public properties. Ensure that the weight and cost per ounce contain positive values. Package should provide a public method CalculateCost that returns a decimal indicating the cost associated with shipping the package. Package's CalculateCost method should determine the cost by multiplying the weight by the cost per ounce. Derived class TwoDayPackage should inherit the functionality of base class Package, but also include an instance variable that represents a flat fee the shipping company charges for two-day delivery service. TwoDayPackage's constructor should receive a value to initialize this instance variable. TwoDayPackage should redefine method CalculateCost so that it computes the shipping cost by adding the flat fee to the weight-based cost calculated by base class Package's CalculateCost method. ClassOvernightPackage should inherit directly from class Package and contain an instance variable representing an additional fee per ounce charged for overnight delivery service. OvernightPackage should redefine method CalculateCost so that it adds the additional fee per ounce to the standard cost per ounce before calculating the shipping cost. Write a test application that creates objects of each type of Package and tests method CalculateCost.

Posted Date: 3/29/2013 2:18:45 AM | Location : United States







Related Discussions:- Package inheritance hierarchy program, Assignment Help, Ask Question on Package inheritance hierarchy program, Get Answer, Expert's Help, Package inheritance hierarchy program Discussions

Write discussion on Package inheritance hierarchy program
Your posts are moderated
Related Questions
In RPC the method invoker waits for the method to finish implementation and return the control back to the invoker. Therefore it is completely synchronous in nature. Whereas in JMS

Question A What are the difference between an interface and an abstract class? Question B Describe Exception Handling in JAVA Question C Describe the following with resp

The confidentiality and privacy may be accomplished through encryption. Encryption may be: Private-key or symmetric: This is based on a single key. This needs the sender and the

Develop Contact list application Project Description: Prepare a computer application to help employees manage their contact list. Users must be able to store two kinds of con

How to Creating Arrays in java? Declaring arrays merely says what type of values the array will hold. It does not form them. Java arrays are objects, and such as any other obje

cocos2d-x puzzle game for kids Project Description: I am seeking a skilled, reliable, and not very expensive cocos2d-x developer (with experience with iOS, Android, and prefe

EJB 2.0 has the additional advantages over the EJB 1.1 given below 1. Local interfaces : These are beans that can be needed locally, that means by the same Java Virtual Machi

I''m having trouble with creating a nested for loop to create a table that displays every number divisible by two within the given value. For example, if the number is 8 then there

what is an Interface?

What does it mean that a method or class is abstract? An abstract class cannot be instantiated. Abstract methods may only be included in abstract classes. However, an abstract