Simple login program.

import java.io.*;

import javax.servlet.*;

import javax.servlet.http.*;

public class LoginDemo extends GenericServlet

{

public void service(ServletRequest request, ServletResponse response)

throws IOException, ServletException

{

response.setContentType("text/html");

PrintWriter out = response.getWriter();

String un="ABC";

String pwd="XYZ";

String p1=request.getParameter("t1");

String p2= request.getParameter("t2");

if(p1.equals(un)&&p2.equals(pwd))

{

out.println("

Welcome to Home Page

");

}

else

{

out.println("

Login Fail

");

}

}