TASK 13 

Servlet code

import java.io.IOException;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet("/exampleServlet")
public class ExampleServlet extends HttpServlet {
    
    // Initialize the servlet and get ServletConfig and ServletContext
    @Override
    public void init(ServletConfig config) throws ServletException {
        super.init(config);
        
        // Get ServletConfig parameters
        String param1 = config.getInitParameter("param1");
        String param2 = config.getInitParameter("param2");
        
        // Print ServletConfig parameters
        System.out.println("ServletConfig param1: " + param1);
        System.out.println("ServletConfig param2: " + param2);
        
        // Get ServletContext
        ServletContext context = config.getServletContext();
        
        // Get context parameters
        String contextParam1 = context.getInitParameter("contextParam1");
        
        // Print ServletContext parameters
        System.out.println("ServletContext contextParam1: " + contextParam1);
    }

    // Handle HTTP GET requests
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) 
            throws ServletException, IOException {
        response.setContentType("text/html");
        response.getWriter().println("<h1>ServletConfig and ServletContext Parameters</h1>");
        response.getWriter().println("<p>Check the server logs for printed parameters.</p>");
    }
}

Web. Xml

<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" 
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee 
         http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
         version="3.1">

    <servlet>
        <servlet-name>exampleServlet</servlet-name>
        <servlet-class>ExampleServlet</servlet-class>
        <init-param>
            <param-name>param1</param-name>
            <param-value>Value1</param-value>
        </init-param>
        <init-param>
            <param-name>param2</param-name>
            <param-value>Value2</param-value>
        </init-param>
    </servlet>
    
    <servlet-mapping>
        <servlet-name>exampleServlet</servlet-name>
        <url-pattern>/exampleServlet</url-pattern>
    </servlet-mapping>

    <context-param>
        <param-name>contextParam1</param-name>
        <param-value>ContextValue1</param-value>
    </context-param>

</web-app>