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

Midlet for Game, How to create a program using sprite sheet?

How to create a program using sprite sheet?

What is javaserver faces ui component , A user interface control th...

A user interface control that outputs data to a client or permits a user to input data to a JavaServer Faces application.

What is actionform, An ActionForm is a JavaBean that extends org.apache.str...

An ActionForm is a JavaBean that extends org.apache.struts.action.ActionForm.  ActionForm handles the session state for web application and the ActionForm object is automatically p

Mobile pop-under script for mobile browsers, Project Description: Give a...

Project Description: Give a script that will produce a pop-under on a mobile landing page -We can host our own landing page and we will want to change the destination URL for

Create child processes, Using Fork() and Exec() or Clone(), create four ch...

Using Fork() and Exec() or Clone(), create four child processes. Load the same "Hello" program in each process after creation. This program should behave differently in each pro

Computer application and program, Computer application and program. Proj...

Computer application and program. Project Description: I require a project done. It is a computer desktop application program. It is not very hard. Skills required: Any

Data structure, consider the file name cars.text each line in the file cont...

consider the file name cars.text each line in the file contains information about a car ( year,company,manufacture,model name,type) 1-read the file 2-add each car which is represen

Object oriented programming language, what are the steps of object oriented...

what are the steps of object oriented programming language?

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