Class.forName("com.mysql.cj.jdbc.Driver");
		   Connection dbConnect = DriverManager.getConnection("jdbc:mysql://localhost:3306/bookshop", "root", "");
		   Statement stmt = dbConnect.createStatement();
		   String query = "SELECT * FROM users WHERE username='" + user +"' AND password='" + pass+ "'" ;
		   ResultSet rs = stmt.executeQuery(query);
		   if (rs.next()) {
			   resp.getWriter().write("Mno salut " + rs.getString(2) + ". Parola ta e " + rs.getString(3) + ".");
		   }