Untitled

public class NewServlet1 extends HttpServlet {

      protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
         PrintWriter out = response.getWriter();

          String name=request.getParameter("username");
           String abc=request.getParameter("password");

             aaaa c1=new aaaa();

        try{

        String Sql="insert into login(username,password) values('"+name+"','"+abc+"')";

         c1.st.executeUpdate(Sql);
        }
         catch(SQLException ex)
         {

         out.println(ex);

         }

    try {
        /*
         * TODO output your page here. You may use following sample code.
         */
        out.println("<html>");
        out.println("<head>");
        out.println("<title>Servlet NewServlet1</title>");
        out.println("</head>");
        out.println("<body>");
        out.println("<h1>Servlet NewServlet1 at " + request.getContextPath() + "</h1>");
        out.println("</body>");
        out.println("</html>");
        }
        finally {
        out.close();
        }
      }

<html>
        <head>

         </head>
          <body>
           <form  method="GET " action="NewServlet1" autocomplete="on">
            <h1>Log in</h1>
             <p>
              <label for="username" class="uname" data-icon="u" >Username:</label>
               <input id="username" name="username" required="required" type="text" placeholder="Username"/>
                <label for="password" class="youpasswd" data-icon="p">Password:</label>
                <input id="password" name="password" required="required" type="password" placeholder="Password" />
                </p>
               <p class="keeplogin">
            <input type="checkbox" name="loginkeeping" id="loginkeeping" value="loginkeeping" />
           <label for="loginkeeping">Keep me logged in</label>
         </p>
      <p class="login button">

      <input type="submit" value="Login" />

        </p>

               <input type="radio" name="gender" value="Teach" checked/> Teacher
                <input type="radio" name="gender" value="Student"/>Student

             </form>
           </body>
         </html>

public class aaaa {

            Connection c1 = null;
            Statement st = null;
            ResultSet rs = null;
          aaaa(){
           try {
            Class.forName("com.mysql.jdbc.Driver");
             c1 = (Connection) DriverManager.getConnection("jdbc:mysql://localhost:3306/teacher","root", "abcde");

            }
            catch (Exception cnfe) {
               System.out.println("Couldn't find the driver!");
                System.out.println("Couldn't connect: print out a stack trace and exit.");
                System.out.println("We got an exception while creating a statement:" + "that probably means we're no longer connected.");
             }
            try {
                st = (Statement) c1.createStatement();
                System.out.println("Statement Created Successfully");
            } catch (SQLException se) {
                System.out.println("We got an exception while creating a statement:" + "that probably means we're no longer connected.");
                se.printStackTrace();
            }
            if (c1 != null) {
               System. out.println("Hooray! We connected to the database!");
            } else {
                System.out.println("We should never get here.");
            }
          }
        }