import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import stampack.*;
public class Ex1 extends HttpServlet{
public void init(ServletConfig config)
throws ServletException{
}
public void doPost (HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException{
int number1, number2, sum=0 ;
stam a = new stam(7,'w');
int number3 = a.getNumber();
PrintWriter output = response.getWriter();
response.setContentType("text/html");
output.println("Calculator Results");
output.println(" This Number is from class stam: "+number3+"
");
number1=Integer.parseInt(request.getParameter("firstoperand"));
number2=Integer.parseInt(request.getParameter("secondoperand"));
if(request.getParameter("action").equals("add") )
{
sum=number1+number2;
}
else if(request.getParameter("action").equals("subtract") )
{
sum=number1-number2;
}
output.println("Calculator Results
");
output.println(""+sum+"
");
output.println("");
}//end doPost
}//end servlet