public static String connectDataBase(String login, String password) throws ClassNotFoundException, SQLException {
        Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
        String url = "jdbc:sqlserver://127.0.0.1:1433;databaseName=LoginPassword;user=sa;password=Apple99878";
        Connection con = DriverManager.getConnection(url);
        String sql = "Select*from UserTable where UserLogin=? and UserPassword=?";
        PreparedStatement pst = con.prepareStatement(sql);
        pst.setString(1, login);
        pst.setString(2, password);
        ResultSet rs = pst.executeQuery();

        if(rs.next()){
            return "true";
        }
        else
        {
            return "false";
        }
    }