Statement stmt2 = myConnection.createStatement(  );
ResultSet results = stmt2.executeQuery("SELECT id, name " +
            "                           FROM city");
while(results.next(  ))
{
    int ID = results.getInt(“id");  // Get column by name
    String Name = results.getString(2);        // Got column by number
    System.out.println(ID + ":" + Name);
}
results.close(  );