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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?
What does the exportObject of UnicastRemoteObject do? Ans) Exports the remote object to make it available to receive incoming calls, using the certain supplied port. If port not
How to Begin a Variable Name with a Number? If you need to starts a variable name along with a digit, prefix the name you'd like to have (e.g. 8ball) along with an underscore,
What is Color in AWT? Color is a class in the AWT. Individual colors such as red or mauve are examples of this class, java.awt.Color. Be sure to import it if you want to use ot
Explain the term - Garbage Collection Java performs garbage collection and eliminates the need to free objects explicitly. When an object has no references to
Need to develop a 3D rolling alarm clock (Android) Project Description: I want an android app as 3D rolling alarm clock It should have sound effect when setting the alarm
Why Processing An Unknown Number Of Parameters ? Most of the time you have a fairly high-quality idea of what parameters will and won't be passed to your applet. Therefore som
write a program to find the minimum no of colors to fill a board where some of the elements of different color are already placed.
Give a example of Using toString() Methods ? Below is a version of CarTest in which uses toString() and System.out.println() instead of printing the fields in a straight line
The purpose of this assignment is to help you learn the Java environment and practice I/O instructions, assignment, and simple arithmetic operators. Teams: The assignment can
Write a program that takes as input a sequence of transactions of the form
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