api
An application programming interface is a computing interface which defines
interactions between multiple software intermediaries.
It defines the kinds of calls or requests that can be made, how to make them,
the data formats that should be used, the conventions to follow, etc.what is api
API (Application Programming Interface) helps in communication
and data exchange between two software systems. It is the channel which
connects two software systems communicate with one another.
An API forms the middle layer of a three-layered application pyramid,
consisting of a data layer, a server layer and a presentation layer.
While the data layer is concerned with data storage and the presentation
layers are concerned with the user interface, the server layer is composed
of business logic that defines the way for users to interact with various
functions, features, and information.
RESTful API ==> plain text, html, xml, json
SOAP ==> more secure, works with only xmlinterface
Interfaces specify what a class must do.
It is the blueprint of the class.
It is used to achieve total abstraction.
We are using implements keyword for interface.
Basic statement we all know in Selenium is
WebDriver driver = new FirefoxDriver();
WebDriver itself is an Interface.
So we are initializing Firefox browser
using Selenium WebDriver.
It means we are creating a reference variable
of the interface and creating an Object.
So WebDriver is an Interface and
FirefoxDriver is a class.Copyright © 2021 Codeinu
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