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

Program implement class which have main string method, Implement the Money ...

Implement the Money class discussed in class. This class should represent a dollar and cents amount with 0-99 cents and the cents being the same sign as the dollars. The class shou

Just i can told u looking for that for 6 mounth help me plea, how can i add...

how can i add script code in anouncement of a channel in a massneger the massnegr suport that but do not published it please help me please:((((((((((((((((((((((((((((((((((((((((

Write a bouncing ball game, Write a bouncing ball video game. The game is s...

Write a bouncing ball video game. The game is similar to the one described and depicted in Figure of the text book. The balls bounces within the screen where the two horizontal wal

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

What is the role of the jms provider, The JMS provider handles security of ...

The JMS provider handles security of the messages, data conversion and the client triggering. The JMS provider verifies the level of encryption and the security level of the messag

Define all the members of identified classes using java, A Mexican restaura...

A Mexican restaurant in London is struggling with preparing the meal ordered by it;s customer in time and has started loosing it;s business. The owner is looking at the possibility

What is the output of the following javascript code, What is the output of ...

What is the output of the following JavaScript code? name="Ali Akbar"; document.write(name.charAt(4)) ;

Describe remote objects?, Describe Remote Objects A Remote Object is o...

Describe Remote Objects A Remote Object is one whose functions can be called from another JVM. A remote object class must execute the Remote interface. A RMI Server is an appl

State the java programmer efficiency, State the Java Programmer Efficiency ...

State the Java Programmer Efficiency Faster Development Building an application in Java takes about 50% less time than in C or C++. So, faster time to market Java is said to

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