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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.
Question Using 3 level of nested for loop, write a program that will produce the output as below.
Write a java code to explain Else If ? if statements are not limited to two cases. You can merge an else and an if to form an else if and test a overall range of mutually exclu
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I need Android Kiosk Mode Project Description: I need an Android platform developer to develop an app when device start it start into kiosk mode. Only browser window open a c
Object diagrams define instances instead of classes. They are useful for illustrating some complicated objects in detail about their recursive relationships. When
Question: (a) Differentiate between the following terms using suitable examples of your own:- (i) inheritance v/s composition (ii) subclass v/s superclass (iii) softwa
i want the program
An aspect is the cross-cutting functionality that you are executing. It is the aspect of your application you are modularizing. An example of an aspect is logging. Logging is somet
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