public static void main(String[] args) {
    Connection connection2 = null;
    Statement statement2 = null;
    ResultSet resultSet2 = null;

    try {
        connection2 = (Connection) DriverManager.getConnection(
                "jdbc:mysql://localhost/ИМЯ", "ЛОГИН", "ПАРОЛЬ");
    } catch (SQLException se) {
    }

    try {
        statement2 = connection2.createStatement();
    } catch (SQLException se) {
        se.printStackTrace();
    }

    try {
        resultSet2 = statement2.executeQuery("SELECT * FROM userdetails");
    } catch (SQLException se) {
        se.printStackTrace();
    }

    try {
        ResultSetMetaData rsmd = resultSet2.getMetaData();
        int columns = rsmd.getColumnCount();
        for (int i = 1; i <= columns; i++)
            System.out.printf("%-8st", rsmd.getColumnName(i) + "   ");
        System.out.println();
        for (; resultSet2.next();) {
            for (int j = 1; j <= columns; j++)
                System.out
                        .printf("%-8st", resultSet2.getObject(j) + "   ");
            System.out.println();
        }
    } catch (SQLException e) {
        e.printStackTrace();
    } finally {
        try {
            connection2.close();
            statement2.close();
            resultSet2.close();
        } catch (SQLException se) {
            se.printStackTrace();
        }
    }
}