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Question:
(a) Java does not support multiple inheritance but does provide the concept of ‘interface'. Explain how interfaces can help a programmer to implement multiple inheritance in their programs. Explain with suitable Java examples.
(b) What is an abstract class in Java? Describe the importance of implementing these classes in programs. Illustrate with an example of your own.
(c) Show the Java approach to event processing by explaining how event handling works in Java. Use an example to support your answer.
(d) Describe what is a ‘Listener' in Java using an appropriate example?
Object-to-Relational (O/R) mapping : There are various ways to persist data and the persistence layer is one of the most important layers in any application development. O/R ma
Create a class HourlyWorker mind: particularHourlyWorker employee. • Declare two data members named wage and hours of double type with private access. • Implement a parameterized c
Notice that each row now has the type of customer and the additional data needed. calculateBill remains the same in Customer. However, the calculateBill in Corporate will add a
how do this program?
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
What is Alternate Text ? The APPLET element can have an ALT attribute. An ALT attribute is used through a browser which understands the APPLET tag but for some purpose cannot
what java stream is used for designing railway reservation form?
program to find the frequency of a digit in a number
Describe the final keyword ? The final keyword is used in various different contexts as a modifier meaning in which what it modifies cannot be changed in a few sense. final c
Want an expert with knowledge of UML diagrams and writing experience for pages writing including diagrams. This project needs 3-4 pages of technical writing about tickets reserv
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