REST

Question 1

what is the full form of REST

Answer 1

REpresentational State Transfer

Question 2

What are the Architectural principles used in REST?

Answer 2

1. Addressable resources : Key information of information in REST is a resource, each resource must be addressable via URI
2. Uniform, constrained interface
   Small set of well-defined methods to manipulate ur resources
3. Representation Oriented: Interact with services using representation of that services
4. Communication Statelessly: Statelesss application are easier to scale

Question 3

Does REST is protocol specific

Answer 3

No, REST is not protocol specific., but when people talk about REST they usually mean REST over HTTP.

Question 4

Some points about HTTP

Answer 4

1. Synchronous request/response-based application network protocol
2. Used for distributed, collaborative, document based systems.

Question 5

What does the request message made up of?

Answer 5

1. the HTTP method being invoked. (GET/POST)
2. The location of the resource
3. variable set of headers
4. Optional message body (that can be anything like JSON, or XML format)

Question 6

What does the response message contains?

Answer 6

1. Version of HTTP
2. response code
3. Variable set of headers
4. Optional message body
5. Shot message that explains the response

Question 7

Addressability Idea

Answer 7

Idea that every object and resource in your system is reachable through a unique Identifier

Question 8

Uniform, Constrained Interface?

Answer 8

The idea is to stick to finite set of operations of the application protocol you are distributing your services upon

Question 9

JAX-RS

Answer 9

A framework focuses on applying java annotations to plain java objects