MySQL ile bağlanmak ve select yapıp ekrana yazmak(online internet)

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {

try {

try (Connection conn = GetConnection()) {

String sql = "select * from ramazan";

PreparedStatement statement = conn.prepareStatement(sql);

ResultSet rs = null;

rs = statement.executeQuery();

while (rs.next()) {

System.out.println(rs.getString("isim"));

System.out.println(rs.getString("soyisim"));

}

conn.close();

}

} catch (SQLException ex) {

System.out.println("hata buradadır " + ex.getMessage());

}

}