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

What is mvc, Model-View-Controller (MVC) is a design pattern put together t...

Model-View-Controller (MVC) is a design pattern put together to help control change. MVC decouples interface from business logic and data. ? Model: The model having the core of

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

Convert US Dollars to Canadian Dollars, How to write a program that convert...

How to write a program that converts US dollars into Canadian dollars.The program let the user enter an amount in US dollars and display it equivalent value in Canadian dollars whe

Terminology, what is mearnt by a variable in java

what is mearnt by a variable in java

Draw a use case diagram in uml, Extend the given drawing program (the versi...

Extend the given drawing program (the version that allows undo and redo) as follows: a) Allow the user to select font and font size; user should also be able to boldface, underl

Page replacement algorithms code in nachos, what is the code for page repla...

what is the code for page replacement algorithms in nachos os

Illustrate jdbc, JDBC stands for Java Database Connectivity: It is an ...

JDBC stands for Java Database Connectivity: It is an API which gives easy connection to a wide range of databases. To connect to a database we have to load the appropriate dri

What are the sub categories of ai explain, What are the Sub categories of A...

What are the Sub categories of Artificial Intelligence? Briefly explain any two. 1. Robotics :  These are the machines that are computer programmed and perform work that was pr

Explain different way of using thread, Explain different way of using threa...

Explain different way of using thread? The thread could be executed by using runnable interface or by inheriting from the Thread class. The former is more advantageous, 'cau

I need ios and android developer, We need a very good iOS and/or Android de...

We need a very good iOS and/or Android developer preferred to be from Egypt. He will be responsible in developing iOS or/ and Android apps for a company. All details will be provid

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