(a) How the JAVA Web works

Source: Internet
Author: User
Tags java web

The servlet's running process:

After the Web server receives the HTTP request from the client,

1) The Web server first checks whether the instance object of the servlet has been mounted and created, if it is, the 4th step directly.

2) Create a Servlet instance object

3) Call the Servlet instance object's init () method

4) Create a HttpServletRequest object that encapsulates the HTTP request and a HttpServletResponse object that represents the HTTP response, and then call the servlet's service () Method and passes in the request and response object as a parameter. The servlet container invokes the service () method on the request processing

(a) How the JAVA Web works

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