UNIT – 4
Servlets
,Introduction to Web
,Web Application
• A web site is a collection of static files such as
HTML pages, images, graphics etc.
• A Web application is a web site with dynamic
functionality on the server. Google, Facebook,
Twitter are examples of web application.
, HTTP
• HTTP stands for Hyper Text Transfer Protocol.
• HTTP is a protocol that clients and server uses on the web to
communicate.
• HTTP is a stateless protocol i.e HTTP supports only one
request per connection. This means that with HTTP the clients
connects to the server to send one request and then disconnects.
• The client sends an HTTP request and the server answer with a
HTML pages to the client, using HTTP.
Servlets
,Introduction to Web
,Web Application
• A web site is a collection of static files such as
HTML pages, images, graphics etc.
• A Web application is a web site with dynamic
functionality on the server. Google, Facebook,
Twitter are examples of web application.
, HTTP
• HTTP stands for Hyper Text Transfer Protocol.
• HTTP is a protocol that clients and server uses on the web to
communicate.
• HTTP is a stateless protocol i.e HTTP supports only one
request per connection. This means that with HTTP the clients
connects to the server to send one request and then disconnects.
• The client sends an HTTP request and the server answer with a
HTML pages to the client, using HTTP.
