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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?
Explain the term array and Scope of Variable? Defining the space in that a variable is effective is known as describing the scope of a variable. A variable can be either local
You are required to design & implement online food delivery system using Java RMI technology. This involves writing both the server and the client program(s). Client programs
Employee get data from console
Extend the given drawing program (the version that allows undo and redo) as follows: a) Allow the user to select font and font size; user should also be able to boldface, underl
write a program to find the area under the curvey y=f(x) between x=a and x=b.integrate y=f(x) between the limits of a and b. the area under a curve between two points can be found
How can you define a readable program? A program that is easy to read & understand also easy to maintain and enhance. Readability is the ease in that text can be read and under
Define the difference between StringBuffer and String class ?
(CarbonFootprint Interface: Polymorphism) Using interfaces, as you learned in this chapter, you can specify similar behaviors for possibly disparate classes. Governments and compan
The flow control statements give you to conditionally execute statements, to repeatedly operate a block of statements, or to just modify the sequential flow of control.
Explain about the Static classes A class can have static variables and methods. Static methods and variables are associated with class itself an
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