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       10.5.4 Servlet opadm.java
import java.io.*;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.RequestDispatcher;
import javax.servlet.http.*;
import javax.servlet.http.HttpSession;
import java.util.*;
public class opadm extends HttpServlet {
public void doPost(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
doGet(req,res);
}
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
res.setContentType("text/html");
HttpSession ses = req.getSession();
String Admin = req.getParameter("admin");
if(Admin.equals("categ")){//inserare
RequestDispatcher rd = req.getRequestDispatcher("categ");
rd.forward(req,res);
}
if(Admin.equals("opert")){//stergere
RequestDispatcher rd = req.getRequestDispatcher("opert");
rd.forward(req,res);
}
if(Admin.equals("comen")){//modificare
RequestDispatcher rd = req.getRequestDispatcher("comen");
rd.forward(req,res);
}
}
}
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