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

Gen keys, Write a Java class that generates a random integer (between 1 and...

Write a Java class that generates a random integer (between 1 and 250). Call the class GenKeys. GenKeys should have a least one method that returns the integer random number. Gen K

How to loading images in java, How to Loading Images in JAVA? Polygons,...

How to Loading Images in JAVA? Polygons, ovals, lines and text cover a lot of ground. The residual graphic object you need is an image. Images in Java are bitmapped GIF or JPEG

Moving Blobs, Don''t know how to write this, can anyone help me? http://wi...

Don''t know how to write this, can anyone help me? http://wikisend.com/download/660980/Moving Blobs.zip

Develop a desktop chatbot application, Develop a desktop Chatbot applicatio...

Develop a desktop Chatbot application Project Description: Looking for an in depth and smart working chatbot Seeking someone with skills working with AI and chatbots and t

Boggle Game, any one out there with Boggle Source code?......i really need ...

any one out there with Boggle Source code?......i really need it guys please.

Write a java code to explain else if, Write a java code to explain Else If ...

Write a java code to explain Else If ? if statements are not limited to two cases. You can merge an else and an if to form an else if and test a overall range of mutually exclu

Explain the term array and scope of variable, Explain the term array and Sc...

Explain the term array and Scope of Variable? Defining the space in that a variable is effective is known as describing the scope of a variable. A variable can be either local

Define object lock and which kinds of object have locks, What do you think ...

What do you think about an object's lock and which kinds of object's have locks?

Decoding program, 699906626330444777707776662233777 decoding program

699906626330444777707776662233777 decoding program

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