String cname = request.getParameter("cname");
try{
         // Register JDBC driver
         Class.forName("com.mysql.jdbc.Driver");

         // Open a connection
         Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/infoshare", "root", "");

         // Execute SQL query
         Statement stmt = conn.createStatement();

         String sql;
         sql = "INSERT INTO catagory(Catagory_name) VALUES("+cname+")";

          //ResultSet rs = stmt.executeQuery(sql);
         //out.print(cname);

         stmt.executeUpdate(sql);
         out.print("<h1>Hello</h1>");

         // Clean-up environment
         //rs.close();
         stmt.close();
         conn.close();
      }catch(SQLException se){
         //Handle errors for JDBC
         se.printStackTrace();
      }catch(Exception e){
         //Handle errors for Class.forName
         e.printStackTrace();
      }