Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
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.
A palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement. Your task is to convert S to palindrome
Two types of bean injections are there:- 1. By setter 2. By constructor
what are the steps of object oriented programming language?
Question: (a) Explain the importance of abstract classes in Java with an appropriate example. (b) Explain what is meant by an interface in Java? Use a simple example to il
Fill in the necessary parts to create a GUI that uses the CardDeck class. In your GUI you should have a text field for each hand, two buttons and a text area. Your program s
How to Wrapping Your Own Packages in java? Java does not limit you to using just the system supplied packages. You can write your own as well. You write packages just such as
What is the use of UnicastRemoteObject in RMI? Ans) The UnicastRemoteObject class gives support for point-to-point active object references using TCP streams. Objects that need
SudCell and Simple Sudoku Implementation We describe, fully, the SudCell class that will represent each of the 81 cells or boxes in a Sudoku puzzle. Then we will
How can you describe a consistent web design? Why is it required? A consistent web design is Easy understandable, not along with heavy graphics, easy navigation. It is required
Application Rewrite Project Description: There is an app that I want to be rewritten in order to support multiple profiles. The App is an OTP generator. It is required to
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!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd