Servlet Interface
Servlet interface provides commonbehaviorto all the servlets.Servlet
interface defines methods that all servlets must implement.
Servlet
interface needs to be implemented for creating any servlet (either directly or
indirectly). It provides 3 life cycle methods that are used to initialize the
servlet, to service the requests, and to destroy the servlet and 2 non-life
cycle methods.
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Fig: Servlet Interface In java |
Example by implementing Servlet interface
File: First.java
File: First.java
import java.io.*;
import javax.servlet.*;
public class First implements Servlet{
ServletConfig config=null;
public void init(ServletConfig config){
this.config=config;
System.out.println("servlet is initialized");
}
public void service(ServletRequest req,ServletResponse res)
throws IOException,ServletException{
r es.setContentType("text/html");
PrintWriter out=res.getWriter();
out.print("<html><body>");
out.print("<b>hello simple servlet</b>");
out.print("</body></html>");
}
public void destroy(){System.out.println("servlet is destroyed");}
public ServletConfig getServletConfig(){return config;}
public String getServletInfo(){return "copyright 2007-1010";}
}
Hello, my name is Pramod Dwivedi. I'm a 5 year old self-employed in online business Industry.
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