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

Explain the term - garbage collection, Explain the term - Garbage Collectio...

Explain the term - Garbage Collection Java  performs  garbage  collection  and  eliminates  the  need  to  free  objects  explicitly.  When an object  has  no references   to

Describe j2ee?, J2EE (Java 2 Enterprise Edition) is an environment for depl...

J2EE (Java 2 Enterprise Edition) is an environment for deploying and developing enterprise applications on various operating system. The J2EE platform consists of J2EE components,

Minimumshelf, Write a program that finds the minimum total number of shelve...

Write a program that finds the minimum total number of shelves, including the initial one required for this loading process

What is the data normalization also define its goal, What is the Data Norma...

What is the Data Normalization? Also define its goal. Data normalization is to sort out complex data within easy form. It uses to simplify the complex information to form it mo

What are the kinds of computer network, What are the kinds of computer netw...

What are the kinds of computer network according to the distance among nodes? The kinds of computer network according to the distance among nodes are: 1. LAN 2. WAN

What are the advantages of jms, One of the principal benefits of JMS messag...

One of the principal benefits of JMS messaging is that it's asynchronous. Thus not all the pieces require to be up all the time for the application to function as a whole.

What is the basic principle of rmi architecture, The RMI architecture is ba...

The RMI architecture is based on one significant principle: the definition of behavior and the execution of that behavior are separate concepts. RMI allows the code that describes

Online super market Applivation, i don''t need any code i need analysis an...

i don''t need any code i need analysis and design only -i need 4 use cases - description - activity diagram -sequence diagram -class diagram - data base diagram

Need software protection with data files encryption, Need Software protecti...

Need Software protection with data files encryption Project Description: I am use to Chinese dongle sense lock clave 2, i need to prepare to dongle encryption tool same appli

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