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Servlet program which takes input from an HTML client page and calculates and outputs the premium amount.

Posted By: Milind Mishra     Category: OOAD     Views: 4083

From an insurance company a person takes a policy of 1 lakh rupees. If he takes this insurance for 25 years he has to pay a premium of Rs.4000/year if for 30 years the a premium of Rs.3000/year. If the person is a lady and a housewife the 5% deduction will be given but if a workingwoman the no deduction will be given. Write a servlet, which takes input from an HTML client page and calculates and outputs the premium amount.

Code for Servlet program which takes input from an HTML client page and calculates and outputs the premium amount. in OOAD

// premium.html

<html>
<body>
<form action="http://localhost:1977/examples/servlet/PremiumServlet" method="POST">
Enter Name of the person : <input type="text" name="person_name">

<br>
<br>

Select no. of years:&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp
<select name="num_years">
<option value="25years" selected>25 years </option>
<option value="30years"> 30 years </option>
</select>
<br>
<br>
Select criteria :&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp
<select name="criteria">
<option value="working_male">Working Male </option>
<option value="working_lady">Working lady </option>
<option value="lady_housewife">Lady housewife </option>
</select>
<br>
<br>
<input type="submit" name="Go"value="Find Premium Amount">

</form>
</body> </html>


// PremiumServlet.java

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

publicclass PremiumServlet extends HttpServlet
{

  publicvoid doPost(HttpServletRequest req, HttpServletResponse res)
  throws ServletException, IOException
  {

    try
    {
      
        String name_of_person="";     
        String years="";
        String criteria="";     
    double prem_val=0;       
    name_of_person = req.getParameter("person_name");       
    years = req.getParameter("num_years");
        criteria=req.getParameter("criteria");

        if(criteria.equals("working_male")||criteria.equals("working_lady"))
    {
           if(years.equals("25years"))
           { 
             PrintWriter out = res.getWriter();
             out.println("Premium to be paid by "+name_of_person+" is Rs 4000/year");
             out.close(); //Close the output stream
               }
           
        elseif(years.equals("30years"))
            { 
          PrintWriter out = res.getWriter();
              out.println("Premium to be paid by "+name_of_person+" is Rs 3000/year");
              out.close(); //Close the output stream
            }
    }
    if(criteria.equals("lady_housewife"))
    {
           if(years.equals("25years"))
           { 
             PrintWriter out = res.getWriter();
                 prem_val=4000-((5*4000)/100);
         out.println("Premium to be paid by "+name_of_person+" is Rs "+prem_val+"/year");
             out.close(); //Close the output stream
               }
           
        elseif(years.equals("30years"))
            { 
         PrintWriter out = res.getWriter();
                 prem_val=3000-((5*3000)/100);
             out.println("Premium to be paid by "+name_of_person+" is Rs "+prem_val+"/year");
             out.close(); //Close the output stream
            }
    }
    }
  catch (Exception e)
    {  System.out.println("Error " + e);
    }
  }
}


// OUTPUT

(1)

------------------------
ON HTML FORM INPUTS ARE:
------------------------
Enter Name of the person :  dharini modi

Select no. of years: 25 years 

Select criteria : Working lady  
---------
RESPONSE
---------
Premium to be paid by  dharini modi is Rs 4000/year


(2)

------------------------
ON HTML FORM INPUTS ARE:
------------------------
Enter Name of the person :   dharini modi

Select no. of years: 30 years 

Select criteria : Lady housewife  
---------
RESPONSE
---------
Premium to be paid by  dharini modi is Rs 2850.0/year

(2)

------------------------
ON HTML FORM INPUTS ARE:
------------------------
Enter Name of the person :  dharini modi

Select no. of years: 25 years 

Select criteria : Lady housewife  
---------
RESPONSE
---------
Premium to be paid by  dharini modi is Rs 3800.0/year


(4)

------------------------
ON HTML FORM INPUTS ARE:
------------------------
Enter Name of the person :  ashvin modi

Select no. of years: 30 years 

Select criteria : Working male  
---------
RESPONSE
---------
Premium to be paid by ashvin modi is Rs 3000/year
  
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Milind Mishra
Milind Mishra author of Servlet program which takes input from an HTML client page and calculates and outputs the premium amount. is from India.
 
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