Write a SERVLET program in java to accept details of student (SeatNo, Stud_Name, Class, Total_Marks). Calculate percentage and grade obtained and display details on page.

By March 18, 2017 
Student.html
<html>
<body>
<form name="f1" method="Post" action="http://localhost:8080/Servlet/Student">
<fieldset>
<legend><b><i>Enter Student Details :</i><b></legend>
        Enter Roll No :&nbsp <input type="text" name="txtsno"><br><br>
Enter Name :&nbsp &nbsp <input type="text" name="txtnm"><br><br>
Enter class :&nbsp &nbsp &nbsp <input type="text" name="txtclass"><br><br>
<fieldset>
<legend><b><i>Enter Student Marks Details :</i><b></legend>
        Subject 1 :&nbsp &nbsp &nbsp <input type="text" name="txtsub1"><br><br>
Subject 2 :&nbsp &nbsp &nbsp <input type="text" name="txtsub2"><br><br>
Subject 3 :&nbsp &nbsp &nbsp <input type="text" name="txtsub3"><br><br>
</fieldset>
</fieldset>
<div align=center>
<input type="submit" value="Result">
</div>
</form>
</body>
</html>




Student.php
        import java.io.*;
        import javax.servlet.*;
        import javax.servlet.http.*;
public class Student extends HttpServlet
{
    public void doPost(HttpServletRequest req,HttpServletResponse res)throws IOException,ServletException
    {
        int sno,s1,s2,s3,total;
        String snm,sclass;
        float per;
        40        res.setContentType("text/html");
        PrintWriter out=res.getWriter();
        sno=Integer.parseInt(req.getParameter("txtsno"));
        snm=req.getParameter("txtnm");
        sclass=req.getParameter("txtclass");
        s1=Integer.parseInt(req.getParameter("txtsub1"));
        s2=Integer.parseInt(req.getParameter("txtsub2"));
        s3=Integer.parseInt(req.getParameter("txtsub3"));
        total=s1+s2+s3;
        per=(total/3);
        out.println("<html><body>");
        out.print("<h2>Result of student</h2><br>");
        out.println("<b><i>Roll No :</b></i>"+sno+"<br>");
        out.println("<b><i>Name :</b></i>"+snm+"<br>");
        out.println("<b><i>Class :</b></i>"+sclass+"<br>");
        out.println("<b><i>Subject1:</b></i>"+s1+"<br>");
        out.println("<b><i>Subject2:</b></i>"+s2+"<br>");
        out.println("<b><i>Subject3:</b></i>"+s3+"<br>");
        out.println("<b><i>Total :</b></i>"+total+"<br>");
        out.println("<b><i>Percentage :</b></i>"+per+"<br>");
        if(per<50)
            out.println("<h1><i>Pass Class</i></h1>");
        else if(per<55 && per>50)
            out.println("<h1><i>Second class</i></h1>");
        else if(per<60 && per>=55)
            out.println("<h1><i>Higher class</i></h1>");
        out.close();
    }
}




Web.xml
<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app>
<servlet>
<servlet-name>Student</servlet-name>
<servlet-class>Student</servlet-class>
</servlet>
        41<servlet-mapping>
<servlet-name>Student</servlet-name>
<url-pattern>/Student</url-pattern>
</servlet-mapping>
</web-app>

Search