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

Test plan & white box plan, i would like to ask if you have someone able to...

i would like to ask if you have someone able to do test plan & white box plan for the game 2048. Game already developed and tested (unit test only ). this task developed using the

Java Project, How to start a java project? how to draw a flow chart?

How to start a java project? how to draw a flow chart?

Difference between pre-emptive scheduling and time slicing, Explain the dif...

Explain the difference between pre-emptive scheduling and time slicing ?

Explain how several ways businesses monitor their employees, Explain how se...

Explain how several ways businesses monitor their employees? Systems are available in which monitor or most every key stroke which an employee forms on computer. Systems are av

Define the life cycle methods of a servlet? , The Web container is used for...

The Web container is used for managing the servlet's life cycle. The Web container produces an instance of the servlet and then the container invokes the init() function. At the co

Android app implemented on a website, iPhone /Android app implemented on a ...

iPhone /Android app implemented on a website Project Description: I need someone to implement an iPhone/Android app onto a website page, So users can be able to use the Ap

Program for randomly generated 3- digit number matches, Program for Randoml...

Program for Randomly Generated 3- Digit Number Matches This assignment demonstrates your ability to use basic Java syntax including selection and looping statements. You will

What is an advice, Advice is the execution of an aspect. It is something li...

Advice is the execution of an aspect. It is something like telling your application of a new behavior. Generally, and advice is inserted into an application at joinpoints

Explain booleans in java, Explain Booleans in java? Booleans are named ...

Explain Booleans in java? Booleans are named after George Boole, a nineteenth century logician. Every boolean variable has one of two values, true or false. These are not the s

What is an objects lock, What is an object's lock and which objects have lo...

What is an object's lock and which objects have locks? An object's lock is a mechanism that is used by multiple threads to get synchronized access to the object. A thread may i

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