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.
Define enumeration? Enumeration is explained as values type that having of a set of named values. These values are constants and are called enumerators. An enumeration type is
what is java
how to implement tsp problem using java applet to present in form of visulation
A Padovan string P(n) for a natural number n is defined as: P(0)=''X'' P(1)=''Y'' P(2)=''Z'' for a string characters ''X'',''Y'',''Z'' only,and given value of n,write a program th
JavaServer Faces(JSF) is a framework for building web-based user interface in Java. Unlike Swing, JSF provides widgets like buttons, hyperlinks, checkboxes, etc. in dissimilar ways
how to write aprogramm that calculates gross pay, taxes, and net pay for both hourly and commission employees. It will then display those results to the screen
Hospital Management System: Technology Used Java-JSP, Apache Tomcat (webserver), SQL SERVER 2000. This project is aimed at developing a web-based system for taking records
Develop a GeoNetwork Template Project Description: Want a personalized GeoNetwork Template with the consideration of the logo included to this proposal and its colors. The ba
Defiine the term Object ? Object is a named collection of properties (data, state) & techniques (instructions, behavior). Mainly Objects are key to understanding object-oriente
Introduction As an alternative to the Binary Search algorithm, also it could be done by the brute-force method given below. public static int rank(int key, int[] a) { f
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