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Difference Between Abstract class and Interface with Example
Hello Friends,
Today, I am going to discuss about an abstract class and an interface.
What are the difference between Abstract class and Interface?
An Abstract is a class but an Interface is not a class. It is an e...
How to create Contextual action mode over toolbar using recycler view in android?
While creating list on a recycler view we need more functionality like delete, copy and more. Like our popular apps what's app, gmail and hike we found toolbar in action mode if we long press list items on that, same UI with functionality we ...
Abstraction and Interface
Abstraction
Abstract defines "what something is".
An abstract is a class which cannot be instantiated.
It is declared by abstract keyword.
A class can inherit/implement only one abstract or other class.
An abstract class c...
Methods to monitor android EditText
If you have to perform certain tasks before, after and during the text changes in android EditText the following methods will help you to monitor your operations. Implementing the Textwatcher interface provides the callback methods listed below, ...
Difference between Interface and Abstract class
Interface
Interface looks similar to a class, but it does not contain implementation. They may contain declarations of events, indexers, methods and properties.
With Interfaces, it is easier to achieve plug-n-play like a...
Session tracking in servlets by using HttpSession
HttpSession Interface
It is one of the session tracking techniques.
It basically creates a session for each user and is used to maintain the request data and time interval of a particular. A user may give more than one requests at a particul...
Abstraction in java
Abstraction is defined as the hiding of backend content/details and only providing necessary information.
There are two ways to achieve abstraction:-
Abstract class
Interface
ABSTRACT CLASS:- The class which is declared as abstract is known...
Interface vs Abstract Class
Interface
Interface can extend many interface.
Interface can extend from a interface only.
Interface have only abstract method by default.
Interface can have public method only it it.
Abstract
Abstract can attend only on class at a time.
...
Interface
Interface is the way to get the multiple inheritance.
This means that a class can inherit two or more class.
As java, we can not extend more than one class but we can extend more than one interface.
So Interface is used to have inheritance
Bu...
Enumeration Interface in Java
Enumeration is used to retrieve or traverse all the elements of particular collection of objects. Its not considered for collections but we can use it for legacy like Vectors. To use it we need to import - Java.util.Enumeration
Below is the ...
Interface and Property
Interface
Interface is where you define the attributes and methods of class.
In objective C the file where the declaration of class is done is called the interface file and the file where the class is defined is called the implementation file...
