What is an abstract class in java, JAVA Programming

Assignment Help:

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?


Related Discussions:- What is an abstract class in java

Dijkstra''s algorithm, How can I convert Dijkstra''s algorithm to do max fl...

How can I convert Dijkstra''s algorithm to do max flow instead of min flow, and how can I implement it into Ford Fulkerson algorithm?

Explain java.lang.string library in java, Explain java.lang.string library ...

Explain java.lang.string library in java? Strings are objects. Specifically they're instances of the class java.lang.String . This class has several methods which are useful f

Digital clock, how to Using polymorphism to write a program to display digi...

how to Using polymorphism to write a program to display digital clock?

Program to insert item in tree, public class TreeTest {     public static v...

public class TreeTest {     public static void main(String args[])     {         Tree t = new Tree ();         System.out.println("Populating");         t.insertItem(1);         t

Programming help, writing a program to find common friends with the use of ...

writing a program to find common friends with the use of array

What is constructor chaining, What is constructor chaining and how is it ac...

What is constructor chaining and how is it achieved in Java? A child object constructor always first requires to construct its parent (which in turn calls its parent constructo

Java , what is thread synchronization

what is thread synchronization

Servlet, i nedd servlet basics

i nedd servlet basics

JAVA Programming, Im not in the line of computer science.But i would like t...

Im not in the line of computer science.But i would like to have some knowledge about the computer language "JAVA".I aldredy learns the computer languages "C,C++".So kindly help me

Explain super class and sub class in java, 1. In Java (and OOP), Inheritanc...

1. In Java (and OOP), Inheritance includes the concept of super class that is parent class and sub class that is derived class. Explain What is a super class in Java? What is a sub

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd