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.
Explain about Drawing Lines? Drawing straight lines along with Java is easy. Just call g.drawLine(x1, y1, x2, y2) where (x1, y1) and (x2, y2) are the endpoints of your lines
1. Obtaining the new script: Download and save the attached comment CGI mailer script form-mail2.pl to your server''s cgi-bin directory, and change the permissions on the script to
In this exercise, I want you to generate password based on random number generator. Develop an application that keeps track of the URL, username and password. I have listed few st
develop a one player multiple choice math game
You have recently joined a games company. The SQA manager has given you the task of improving the code quality of simple games. This is a standard task which the SQA manager gives
Develop Student Portal Project Description: Technology to be used: Java, Portlets, Liferay, functions in Oracle DB, Boostrap. We need develop two pages, a header and foote
Explain Code and Document Bases ? If you don't know the exact URL of the image, but you do know its name and in which it's in the similar directory as the applet, you can use
write an application that stores at least five different department and supervisor names in a two dimensional array
Spring comprises of seven modules. They are.. a) The core container b) Spring context c) Spring AOP d) Spring DAO e) Spring ORM f) Spring Web module g) Sprin
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