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

Combo box and Check box help, Sal?s Pizza wants to install a system to reco...

Sal?s Pizza wants to install a system to record orders for pizza and Buffalo chicken wings. When regular customers call Sal?s Pizza on the phone, they are asked their phone number.

What is a jsp and what is it used for?, Java Server Pages (JSP) is a platfo...

Java Server Pages (JSP) is a platform independent presentation layer technology that comes with SUN s J2EE platform. JSPs are normal HTML pages with Java code pieces embedded in th

What is the core container module, This module is gives the fundamental fun...

This module is gives the fundamental functionality of the spring framework. In this module BeanFactory is the heart of any spring-based application. The whole framework was built o

Simple Tasks, Use a FOR loop and give me the largest number divisible by 7 ...

Use a FOR loop and give me the largest number divisible by 7 11 13 17 use the number from 1 to 10000 (or even 100000)

Where the local varible declared, Where the local varible declared? Dec...

Where the local varible declared? Declaring variables within a function, makes them local .They are available only within that function and hold no meaning outside of it

Performance of a java application, How can I improve the performance of a ...

How can I improve the performance of a java application , describe the java optimization techniques?

Indeed api integration and search bar fix, Indeed API integration and searc...

Indeed API integration and search bar fix (Java, Wordpress and PHP) I start a job portal on WP developed out of a customized template. We need an expert in integrating Indeed AP

Minimumself, At a shop of marbles, packs of marbles are prepared. Packets a...

At a shop of marbles, packs of marbles are prepared. Packets are named A, B, C, D, E …….. All packets are kept in a VERTICAL SHELF in random order. Any numbers of packets with thes

Explain operator precedence in java, Explain operator precedence in java ? ...

Explain operator precedence in java ? It's probable to combine multiple arithmetic expressions in one statement. For example the subsequent line adds the numbers one by five:

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