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

Java expert with tomcat tuning experience required, Java expert with tomcat...

Java expert with tomcat tuning experience needed Project Description: Want a Java expert to fix memory issues with tomcat. I need School java project - Threads Programm

What is an advice, Advice is the execution of an aspect. It is something li...

Advice is the execution of an aspect. It is something like telling your application of a new behavior. Generally, and advice is inserted into an application at joinpoints

Implement a java class, Your first task is to implement the Movie class to ...

Your first task is to implement the Movie class to store all the relevant information on a single DVD Movie, including its catalog number, title, year of release, rating, rental pe

AdressBook, Write a program that uses one of the Map classes to implement a...

Write a program that uses one of the Map classes to implement a contact list. Contact information should include first name, last name, a phone number and an email address. The lis

Send input to different command prompt, I am supposed to call an external a...

I am supposed to call an external application (which is command-line based) and send input to the application from java. I created a batch file to call the application. It successf

In programming what is an object, In programming, what is an object? Ob...

In programming, what is an object? Object is a named collection of properties (data and state) & methods (instructions, behaviour). Objects are key to understanding object-orie

Heap and Stack memory allocation in java, Each time an object is started in...

Each time an object is started in Java it goes into the area of memory named as heap. The primitive variables like double and int are allocated in the stack, if they are local inst

Reading or writing disk files, For this assignment, you will simulate a fil...

For this assignment, you will simulate a file system. You will be neither creating files nor reading or writing disk files. Rather, you will have a simulation of a file system that

Create an interface with a method concatenation, a)  Using Java, create an ...

a)  Using Java, create an interface with a method called concatenation which will be implemented in the class patient in part b. b)  Using Java, write the class patient with the

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