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

Describe about the term access protection, Describe about the term Access P...

Describe about the term Access Protection ? Global variables are a typical cause of bugs in most programming languages. A few unknown function can modify the value of a variabl

Pogram must work on all realms and all ladders, Project Description: The...

Project Description: The program must work on all realms, all ladders, all cores (4x realms,2x ladders,2x cores) The program must be unpatchable and undetectable If patche

How to begin a variable name with a number, How to Begin a Variable Name wi...

How to Begin a Variable Name with a Number? If you need to starts a variable name along with a digit, prefix the name you'd like to have (e.g. 8ball) along with an underscore,

Decode the code, By pressing ‘6’ (i.e. key’6’ one time) on the keypad, the ...

By pressing ‘6’ (i.e. key’6’ one time) on the keypad, the mobile shows ‘m’ on display screen in write text message area

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 a java windowed application, For this assignment, you will write a Ja...

For this assignment, you will write a Java windowed application to do online quiz on general knowledge and the application also displays the quiz result. Overview of the applic

Make changes to an editable pdf form, Make Changes to an Editable PDF Form ...

Make Changes to an Editable PDF Form Project Description: I need for someone who is able to make some changes to PDF forms. Skills required: Data Processing, Data Entry

Explain difference between an if and a switch statement, What is the differ...

What is the difference between an if statement and a switch statement? The if statement is used to select between two alternatives. It uses a boolean expression to decide whi

Stream as an object, What interface must an object implement before it can ...

What interface must an object implement before it can be written to a stream as an object?      Ans) An object must execute the Serializable or Externalizable interface before i

Continue statement in javascript, It terminates execution of the block of s...

It terminates execution of the block of statements in while or for loop & continues execution of the loop along with the next iteration. On the contrary to the break statement, con

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