KS > practice > Practice14Servlet3

package practice14;
 
import java.io.IOException;
 
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
 
/**
 * Servlet implementation class Practice14Servlet3
 */
public class Practice14Servlet3 extends HttpServlet {
	private static final long serialVersionUID = 1L;
 
	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		HttpSession session = request.getSession(false);
		String param1 = request.getParameter("param1");
		String param2 = request.getParameter("param2");
 
 
		int prm1 = Integer.parseInt(param1);
		int prm2 = Integer.parseInt(param2);
		int result = prm1 + prm2;
 
 
		request.setAttribute("result", result);
		session.setAttribute("para1", param1);
		session.setAttribute("para2", param2);
 
		RequestDispatcher dispatcher3 = request.getRequestDispatcher("jsp/practice14_3.jsp");
		dispatcher3.forward(request, response);
		return;
 
	}
 
}