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

Static variable, import java.text.NumberFormat; import java.util.Locale; p...

import java.text.NumberFormat; import java.util.Locale; public class Client { // instance data private String name; private long income_this_year; private double perce

What do we mean by interfaces, What do we mean by interfaces ?

What do we mean by interfaces ?

#title.basics, what is java

what is java

Diffentiate local and global variables, Diffentiate Local and Global Variab...

Diffentiate Local and Global Variables? Local or function level variable effective just in the function in that they are declared although global variables visible everywhere o

Illustrate the method to print on the GUI, Illustrate the method to print o...

Illustrate the method to print on the GUI Example Code: Taking Input / Output So far, we learned how to print something on console. Now time has come to learn how to print

program to brute force search, Introduction As an alternative to the B...

Introduction As an alternative to the Binary Search algorithm, also it could be done by the brute-force method given below. public static int rank(int key, int[] a) { f

Make a javascript jquery script to fill variables from, Make a JavaScript j...

Make a JavaScript jQuery script to fill variables from a remote JSON file I'm in requirement of someone to write and rewrite some JavaScript code that connects to a remote rest

Program for convert temprature and length, Public class ConversionProgram {...

Public class ConversionProgram { public void start() { String userChoice = askConversionCategory(); while (userChoice.equals("1") || userChoice.equals("2") || Page 2

Java Thread, What is use of join in Java Threading

What is use of join in Java Threading

Javascript and coldfusion, Overview Demonstrate your knowledge of JavaS...

Overview Demonstrate your knowledge of JavaScript and ColdFusion by implementing the following functionality: Contact form • The following validation error message shou

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages