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

Code, Ask question how to implement a decision tree in java #Minimum 100 wo...

Ask question how to implement a decision tree in java #Minimum 100 words accepted#

Explain bean lifecycle in spring framework, 1. The spring container searche...

1. The spring container searches the bean's definition from the XML file and instantiates the bean. 2. Using the dependency injection, spring populates all of the properties as

Explain the member access separator, Explain the Member Access Separator ? ...

Explain the Member Access Separator ? class Car { String licensePlate; // e.g. "New York 543 A23" double speed; // in kilometers per hour double maxSpeed; // in

Describe the benefits of threads, Question 1: a) What is an "Operating...

Question 1: a) What is an "Operating System"? b) Describe the four main computer system components. c) Describe and compare "Parallel Systems" and "Distributed Systems

How to draw polygons in java, How to draw Polygons in java? In Java rec...

How to draw Polygons in java? In Java rectangles are defined through the position of their upper left hand corner, their height, and their width. Therefore it is implicitly sup

What are commonsense guidelines to prevent viruses, What are Commonsense Gu...

What are Commonsense Guidelines to prevent viruses? Discuss about Antivirus as well. Commonsense Guidelines to avoid viruses are as follows: 1. Do not open attachment of unwant

How many kinds of errors can be found during a program, How many kinds of e...

How many kinds of errors can be found during a program development? List them. 1. Syntax errors 2. Semantic errors 3. Run-time errors

What is the role of fonts in java explain with example, What is the role of...

What is the role of fonts in java explain with example? You've already seen one instance of drawing text in the HelloWorldApplet program of the last chapter. You call the drawS

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