what is oauth and oauth2 code example

Example: what is oauth2 authentication

Authorization :
It's a process of granting or denying access to resources.
Mostly it happens after Authentatication.

Most of the projects I worked on use Bearer token
with JWT in Authorizaiton header.
I have endpoint that I can use to generate this token
and pass it to the each requests in my test.

Different ways to making authorized request:
          Auth2 is one of them
         Auth2
      (A much more secure way of authorizing your request
      The flow is similar to Login with facabook,google
       Eventually the token still get added to the 
       Authorization header)