Using Servlet Init Method : Servlet Methods « Servlet « Java Tutorial






  1. Java Tutorial
  2. Servlet
  3. Servlet Methods
import java.util.*;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class MyServlet extends HttpServlet {
   
    String msg = "";

    public void init(ServletConfig config)
    {
        msg = "Hello from Java servlets!";
    }

    public void doGet(HttpServletRequest request,
        HttpServletResponse response)
        throws IOException, ServletException
    {
        response.setContentType("text/html");
        PrintWriter out = response.getWriter();

        out.println("<HTML>");
        out.println("<HEAD>");
        out.println("<TITLE>");
        out.println("Using the init Method");
        out.println("</TITLE>");
        out.println("</HEAD>");
        out.println("<BODY>");
        out.println("<H1>Using the init Method</H1>");
        out.println(msg);
        out.println("</BODY>");
        out.println("</HTML>");
    }
}

<?xml version="1.0" encoding="ISO-8859-1"?>

<!DOCTYPE web-app
    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
    "http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">

<web-app>
    <servlet><servlet-name>MyServletName</servlet-name>
             <servlet-class>MyServlet</servlet-class>

             
    </servlet>
    
    <servlet-mapping><servlet-name>MyServletName</servlet-name>
        <url-pattern>/index.html</url-pattern>
    </servlet-mapping>
</web-app>
  Download:  ServletUsingServletInitMethod.zip( 88 k)




25.2.Servlet Methods
25.2.1.Using Servlet Init Method
25.2.2.Date Servlet: doGet method
25.2.3.Returns any parameters and lists server properties.