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

I need to make clone of an android app, I need to Make clone of an Android ...

I need to Make clone of an Android app Project Description: Make a total duplicate of the App: Camp and RV Campgrounds Plus The only difference will be the name (as it

Use the constructor, Can we use the constructor, instead of init(), to init...

Can we use the constructor, instead of init(), to initialize servlet? Ans) Yes. Of course you can use the constructor instead of init(). There's nothing to stop you. But you sho

I want android application with motion detection, I want Android applicatio...

I want Android application with motion detection Project Description: We need to develop a simple application for android which uses motion detection libraries from open sour

Illustrate dynamic vs. static class loading?, 1. "Classes are statically lo...

1. "Classes are statically loaded with Java's "new" operator." This would imply that static methods could be executed without the class being loaded. 2. "Unlike the static loa

Develop a client-server student record application, Develop a Client/Server...

Develop a Client/Server (MySQL) student record application Project Description: I need a client/server application with a MySQL backend database. The prototype could interfac

Explain JMS, JMS ((java messaging service))is an acronym used for Java Mess...

JMS ((java messaging service))is an acronym used for Java Messaging Service. It is Java's answer to formed software using asynchronous messaging. It is one of the official specific

String, in java string is a

in java string is a

Design a website in java using xml, The design of the website will be left ...

The design of the website will be left to the individual student. The website must be written only in xml, displayed in xhtml using transforms and xsl for styling elements. Javascr

What are the benefits of spring framework, The benefits of Spring are as fo...

The benefits of Spring are as follows: ? Spring has layered architecture. Use what you require and leave you don't require now. ? Spring Enables POJO Programming. There is no

Algorithm, #question)i) devising ii) validating and iii) tes...

#question)i) devising ii) validating and iii) testing of algorithms...

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