KS > practice > Practice14Servlet1

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 Practice14Servlet1
 */
public class Practice14Servlet1 extends HttpServlet {
	private static final long serialVersionUID = 1L;
 
	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		HttpSession session = request.getSession(false);
		if (session == null) {
		session = request.getSession(true);
		session.setAttribute("para1", null);
		session.setAttribute("para2", null);
		}
		RequestDispatcher dispatcher = request.getRequestDispatcher("jsp/practice14_1.jsp");
		dispatcher.forward(request, response);
		return;
	}
 
}