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.
What is asynchronous messaging? Queue Ans) Asynchronous messaging includes a client that does not wait for a message from the server. An event is used to trigger a message from
send me the java code for minimum shelf program
Java Runtime Environment (JRE) Java Virtual Machine is a part of a large system i.e. Java Runtime Environment (JRE). Every operating system and CPU architecture requires dif
Specifically, you'll create a program that will hold minutes worked and assign a value. Calculate the value into hours and minutes. Display the result as shown in Figure 2. Reme
Write names of the DoS attack's phases? DoS (Denail of service): DoS attach has in total 3 kinds of phases and below they are listed: 1. Search 2. Arm 3. Attack
data structure
What is meant through semantic error? It is an error that a developer encounters while a statement is executed but it was not intended through him (the developer). Such errors ar
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 t
We require expert programmers who will solve problems, who can code by the book, and who will code in java and JavaScript what is designed. Skills required: CSS, Java, HTML5,
#This assignment will give you practice with interactive programs, if/else statements and methods that return values. You are to write a program that prompts the user for informati
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