package cs320.stu31; import java.io.*; import javax.servlet.*; import javax.servlet.http.*; public class Add extends HttpServlet { public void doGet( HttpServletRequest request, HttpServletResponse response ) throws ServletException, IOException { response.setContentType("text/html"); int a = Integer.parseInt(request.getParameter("op1")); int b = Integer.parseInt(request.getParameter("op2")); int sum = a + b; PrintWriter out = response.getWriter(); out.println( "Hello World" ); out.println( "sum is " + sum ); out.println( "" ); } }