Friday, May 24, 2013

Java Servlet that take First_ Name & Last_ Name from the user & generate login-id such that two characters are from First_ Name & four characters are from Last_ Name. Display the generated login-id.



AIM: Write a Servlet that take First_ Name & Last_ Name from the user & generate login-id such that two characters are from First_ Name & four characters are from Last_ Name. Display the generated login-id.
Login.html:
<html>
 <head>
 <title>LoginForm
 </title>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
 <body>
      <form action="Welcome" method="post">
     First Name:<input type="textbox" name="fn"><br/>    
      Last Name:<input type="textbox" name="ln"> <br/>
   <input type="Submit" value="Submit">
 </form>
</body>
</html>









Welcome.java:
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;
public class Welcome extends HttpServlet
{
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException
    {
      response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        String fn = request.getParameter("fn");
        String ln = request.getParameter("ln");
        int i = ln.length();
        String a = fn.substring(0, 2);
        String b = ln.substring(i-4, i);
        String c = a+b;
        out.println("Login id is:" +c);
    }
}

Output:

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