What is REST?

REST abstract:

• REST is the short form of Representational State Transfer.
• REST is architectural style web service which is based on web standards and http protocols (get, post, put, delete).
• REST was invented by Roy Fielding in 2000. 
• In REST architecture, everything are consider as resource, these resources access could be access by common interface based on the HTTP standard methods (get, post, put, delete).
• In REST architecture, there is server & client relationship. Server provides and controls the access to the resources; where as client access and modify the resources. 
• REST support all the common HTTP operations and resources are accessed by URI. 
• REST allow that resources to have different representational styles such as TEXT, HTML, XML, JSON, etc. 
• We can create RESTFUL web service using follow methods:
• Jersey
• REST Easy