Java Servlet Programing Laungage

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Servlet Project 3

Java Servlet :Implementation of GenericServlet
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javax.servlet.GenericServlet:

This is an abstract class that implements servlet interface and defines all its method except service(). This class is used as a based class of user define servlets.

In web application HTTP protocol is used for communicating with clients and application. This protocol supports following type of requests:

  1. Get
  2. Post
  3. Head
  4. Trace
  5. Connect
  6. put
  7. delete
  8. option

 

get and post are used to request contents from the server and all other are used for connection setup and management.

Implementation of GenericServlet
public abstract class GenericServlet implements Servlet
{
	private ServletConfig config ; 
	public void init(ServletConfig config)
	{
		this.config=config;
		init();
	}
	public void init()
	{
	/*utility method that can be overrided by application developers
	to perform initialization*/
	}
	public void display()
	{}
	public ServletConfig getServletConfig()
	{
	return config ;
	}
}
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