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 process is an execution of a code but a thread is a single execution sequence within the process. A process may contain multiple threads. A thread is sometimes named a lightweigh
• A Graph Data Type (including a display method to show adjacencies) • A Cycle Checker (as described in lecture notes) • An Edge class • A sorting algorithm to sort an array of Edg
how to create batch files of java program
Write a program that reads both the girl and boy files into memory using arrays. Then, allow the user to input a name. The program should search through both arrays. If there is
hi,i need whatsapp panel to send unlimitd message. skype : maya123.com email :
These are the central working units of JavaScript. Almost all the scripting code employs one or more functions to obtain the desired result. If you desire your page to provide cert
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
Relation between Stack and Heap Stack and heap are two significant memory areas. Primitives are created on the stack whereas objects are created on heap. This will be further c
How to initialize array in java ? Individual elements of an array are referenced through the array name and through an integer that represents their position in the array. The
State about the performance of java First versions of java were pretty slow. Java performance has gotten a lot better with aggressive just-in-time-compiler (JIT) techniques
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