Explain why java does not support multiple inheritance, JAVA Programming

Assignment Help:

Question:

(a) Differentiate between the following terms using suitable examples of your own:-

(i) inheritance v/s composition
(ii) subclass v/s superclass
(iii) software re-usability v/s data encapsulation

(b) Discuss why casting a superclass reference to a subclass reference is potentially dangerous. Use appropriate examples to support your answer.

(c) (i) Explain why Java does not support multiple inheritance.

(ii) What feature of Java helps to simulate multiple inheritance. Use a suitable example of your own to illustrate your answer.

(d) (i) Write down an inheritance hierarchy for classes Quadrilateral, Trapezoid, Parallelogram, Rectangle, Square. Use Quadrilateral as the
superclass of the hierarchy.

(ii) Identify a maximum number of subclass levels in your hierarchy.
(iii) The private data members of Quadrilateral should include the (x,y) coordinate pairs for the four endpoints of the Quadrilateral.

(iv) Write down a driver program that instantiates and displays objects of each of these classes.


Related Discussions:- Explain why java does not support multiple inheritance

Mine craft plug-in coder, Mine craft plug-in Coder Project Description: ...

Mine craft plug-in Coder Project Description: Some custom plugging for my Mine craft server. Skills required: Java, Editing

Threads, what is meant by thread

what is meant by thread

What information is needed to create a tcp socket, The Local Systems IP Add...

The Local Systems IP Address and Port Number and the Remote System's IPAddress and Port Number.

What is the core container module, This module is gives the fundamental fun...

This module is gives the fundamental functionality of the spring framework. In this module BeanFactory is the heart of any spring-based application. The whole framework was built o

Develop android geolocation service app, Project Description: Develop an...

Project Description: Develop an android service app that will run on the background. The app has to get the users location (longitude and latitude) every 5 minutes or when th

What is the use of lookupdispatchaction, LookupDispatchAction is useful if ...

LookupDispatchAction is useful if the method name in the Action is not driven by its name in the front end, but by the Locale independent key into the resource bundle. As the key i

Programming, .Write a programme to create a webpage that prints the name of...

.Write a programme to create a webpage that prints the name of the STUDENT database in Wide Latin font and set the subtitle with description of the STUDENT to the screen. Set the

Upload a file in struts? , In JSP page give the code as given below: en...

In JSP page give the code as given below: enctype="multipart/form-data" name="fileForm" scope="session">     Please select file here that you would like to upload:

Program, write code employe managment

write code employe managment

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd