Q1:You are required to write the code for sevlet which will takeusername and pas

Question

Q1:You are required to write the code for sevlet which will takeusername and password from the html file and matches with databasewhich contains two columns; one for username and other forpassword.

Providing correct information leads to welcome page otherwise toa login page again.

You are required to write the code for servlet only.

Q2:

You are required to write the XML equivalent tags for thefollowing elements of JSP (Java Server Page).

1)

<%!

    String str ;

    public StringconcatenateStr(String s1, String s2){

        return s1+s2 ;

      }

  %>

2)

  <%

    String s1=request.getParameter(“str1”);

    String s2=request.getParameter(“str2”);

    str = concatenateStr(s1, s2);

  %>

3) <%@page import =“java.util.*” %>

Explanation / Answer

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class LoginHandler extends HttpServlet

{

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