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

Develop a camera application, Project Description: I want to build a cam...

Project Description: I want to build a camera application for android. By default android will add metadata for the image, for e.g.  Date, time, resolution, gps tag etc..In this

Explain vector or object-oriented graphics, Explain Vector or Object-Orient...

Explain Vector or Object-Oriented Graphics? The representation of graphical objects, like as lines, circles, arcs, and rectangles, along with mathematical formulas. This techni

Binary search tree, You will be required to create an ADT for a Binary Sear...

You will be required to create an ADT for a Binary Search Tree (BSTInterface.java). The interface will be implemented as a Binary Search Tree (BST) using a reference based format.

Benefits of aop (aspect oriented programming), Benefits of AOP (Aspect Orie...

Benefits of AOP (Aspect Oriented programming) OOP can give the system level code like transaction management, logging, security etc to scatter throughout the business logic. A

Tasks with the classes Currency, In this assignment you work on a set of ta...

In this assignment you work on a set of tasks with the classes Currency, Money and Bank. Money and Currency You have been given a template for the Currency and Money classes (Lab1.

Different types of messages available in the jms api, What are the differen...

What are the different types of messages available in the JMS API? Ans) Message, TextMessage, BytesMessage, StreamMessage, ObjectMessage, MapMessage are the dissimilar messages

Write short notes on (i) rmi and (ii) corba, Question 1 Write a program in...

Question 1 Write a program in Java to find the highest of any five numbers. How do you compile and execute this Java program? Question 2 Write a program to explain the Except

Create a fifa coins website, Project Description: I want to create simil...

Project Description: I want to create similar site: fifacointrader I want similar site like fifacointrader.com Skills required are HTML, Java, PHP, Website Design, Wordpre

Java expert with tomcat tuning experience required, Java expert with tomcat...

Java expert with tomcat tuning experience needed Project Description: Want a Java expert to fix memory issues with tomcat. I need School java project - Threads Programm

What is javaserver faces expression language, A easy expression language us...

A easy expression language used by a JavaServer Faces UI component tag attributes to bind the associated component to a bean property or to bind the associated component's value to

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