Add

package cs320.servlet; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class Add extends HttpServlet { private static final long serialVersionUID = 1L; protected void doGet( HttpServletRequest request, HttpServletResponse response ) throws ServletException, IOException { int a = 0; int b = 0; try { a = Integer.parseInt( request.getParameter( "value1" ) ); b = Integer.parseInt( request.getParameter( "value2" ) ); } catch( Exception e ) { response.sendRedirect( "AddForm.html" ); return; } response.setContentType( "text/html" ); PrintWriter out = response.getWriter(); out.println( "" ); out.println( "Add" ); out.println( "" ); out.println( a + " + " + b + " = " + (a + b) ); out.println( "" ); } protected void doPost( HttpServletRequest request, HttpServletResponse response ) throws ServletException, IOException { doGet( request, response ); } }