m = Long.parseLong(request.getParameter(“m”)); long n = Long.parseLong(request.getParamter(“n”)); %><p>The product of <%=m%> and <%=n%> is <b><%=(m*n)%></b>.</p> <% } catch(Exception e) { %> <p>Error!</p><% } %></body></html> Multiplication results The Product of 10 and 20 is 200.
200. class ProductModel { long multiplier, long multiplicant, long product; } class CalcService { long getProduct(long m, long n) { return m * n; } } long m = Long.parseLong(request.getParameter(“m”)); long n = Long.parseLong(request.getParameter(“n”)); ProductModel model = new ProductModel(m, n, calcService.getProduct (m, n)); request.setAttribute(“model”, model); getServletContext().getRequestDispatcher(“mul.jsp”).forward(request, response); <jsp:useBean id=”model” class=”ProductBean”/> <H3>Multiplication results</H3> <p>The product of <jsp:getProperty name=”model” property=”multiplier”/> and <jsp:getProperty name=”model” property=”multiplicand”/> is <b><jsp:getProperty name=”model” property=”product”/></b>.</p> M V C