When should i use abstract classes and interfaces, JAVA Programming

Assignment Help:

When should I use abstract classes and when should I use interfaces?

 Use Interface, when:

  • Design changing often or when various implementations only share method signatures.
  • When we need some classes to use some methods which we don't want to be included in class.

Use Abstract Class, when:

  • Several implementations are of the same kind and use common behavior.
  • Enabling with generalized form of abstraction and leave implementation task with inheriting subclass.
  • creating planned inheritance hierarchies

 


Related Discussions:- When should i use abstract classes and interfaces

Want an android app to be build, Want an Android App to be Build What i ...

Want an Android App to be Build What i want is a Taxi App for Android and if good price for iOS too. The App want to have a Website where to add Cars whit all information and

Java, Ask question Write an inheritance hierarchy for classes Quadrilateral...

Ask question Write an inheritance hierarchy for classes Quadrilateral, Trapezoid, Parallelogram, Rectangle and Square. Use Quadrilateral as the superclass of the hierarchy. Create

Http 404 error /myproject/controller notfound, Running a sample Java web ap...

Running a sample Java web application from the web get http 404 error

How instant messaging works explain their process, How instant messaging wo...

How instant messaging works? Write the steps involved in this process? The Instant Messaging services available permit us to manage a list of people (contacts) that we interact

What do you understand by instantiating an object, Question: (a) To be ...

Question: (a) To be considered object-oriented(OO), a language should support abstraction, encapsulation, inheritance and polymorphism. Explain briefly each of the terms in

Develop a java - html5 based game, Develop a java/html5 based game Proje...

Develop a java/html5 based game Project Description: I want a game designed that mostly allows users to bid a certain amount of dogecoin and depending on how far they get in

Write a java client by using arraylists, 1. The purpose of this problem is ...

1. The purpose of this problem is to practice using ArrayLists.Write a Java client file containing a mainmethod plus other methods as needed to solve the following problem (no clas

What does it mean that a method or field is static, What does it mean that ...

What does it mean that a method or field is "static"? Static variables and methods are instantiated only once per class. In other words they are class variables, not example va

What is the function of network interface card, What is the function of Net...

What is the function of Network Interface Card? NIC is an I/O device which plugs within the computer and it enables it to communicate over a network.

Write a program that manages a list of train tickets, A fictitious train co...

A fictitious train company, 'Transrail', has commissioned you to write a program that manages a list of train tickets. The program should display a text menu that prompts the us

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