how to swend response to client in HTTP sderver code example

Example: http request and http response

HTTP request method is made up of four components:
Request Method ==> Get, Post, Put, Delete (these are
the common ones)
Request URL ==> the URL of the resource
Request Header ==> Accept-Language, AcceptEncoding, User-Agent, Host
Request Body ==> This is the data to be sent to the

HTTP RESPONSE
resource HTTP -RESPONSE- method is made up of three
components:
Response Status Code ==> 200, 301, 404, 500
(these are the most common ones)
Response Header Fields ==> Date, Server, LastModified, Content-Type
Response Body ==> This is the data that comes
back to the client from the server.