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

Implement the list calss, Your next task is to implement the MovieList clas...

Your next task is to implement the MovieList class that manages the details for a list of DVD Movies read from the specified data file. The constructor will include a parameter tha

What are the basic components of jsp?, There are two different types of dat...

There are two different types of data in a JSP page. 1. Static part which occurs copied directly to the response by the JSP Engine. 2. Dynamic part, which have anything that

Explain the concept of multi-threaded- java, Explain the concept of Multi-T...

Explain the concept of Multi-Threaded- JAVA Java has a concept of concurrency wired right in to the language itself. This works out more cleanly than languages where concur

Registered objects in a rmiregistry, How to get all the registered objects ...

How to get all the registered objects in a rmiregistry? Ans) Using list method of Naming Class.

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.

Thread, create thread without extending anything

create thread without extending anything

What is file transfer protocol, What is File Transfer Protocol? This pr...

What is File Transfer Protocol? This protocol is used to upload the files on remote computers. This is used to transfer files among computer on TCP/IP network e.g. internet and

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

Display array elements by using for-each loop, Need assignment help , on th...

Need assignment help , on the topic “Demonstrate a console-program” Demonstrate a console-program to create an array of integers and Initialize the array and assign the values i

Need java programmer for an assignment, Need java programmer for an assignm...

Need java programmer for an assignment "Prepare a program that will accept a sequence of file names as command-line arguments. These files will consist of ASCII text representin

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