Java - Datenbank - Array

public class dbconnector {
	int results=0;
	private String Connectlink = "xxx";  
	private String dbuser = "xx";  
	private String dbpass = "xxx";  

	String Fahrtgebietname;
	int Fahrtgebietid;
        public void getFahrtGebiete (int fahrtgebietid) {
		try {
			Class.forName("com.mysql.jdbc.Driver").newInstance();  
		} catch (Exception cnfe) { // ClassNotFoundException
			System.out.println("DB-Driver not found "+ cnfe);			  
		}
		
		Connection con = null;
		
		try {
			con = DriverManager.getConnection(Connectlink,dbuser,dbpass);
			Statement stmt = con.createStatement();
			String query = "select id,fahrtgebietname from fahrplan_fahrtgebiete";  
			ResultSet rs = stmt.executeQuery(query);
			int i=0;
			while (rs.next()) {
				Fahrtgebietid[i] = new Integer(rs.getInt(1));
				Fahrtgebietname[i] = new String(rs.getString(2));
				i++;
			}
			
			rs.close();
			stmt.close();
		} catch (SQLException e) {
			e.printStackTrace();
		}
	}
}

[aufbau der Combo-Box]
final JComboBox RegionFromSelect = new JComboBox();
dbconnector rfquery = new dbconnector();
rfquery.getFahrtGebiete(0);
for (int i=0; i<=rfquery.Fahrtgebietname.length;i++) {
   RegionFromSelect.addItem(
       new region(rfquery.Fahrtgebietid[i],rfquery.Fahrtgebietname[i])
	);
}

private class region {
		private int id;
		private String regionname;
		
		public region (int id, String regionname) {
			this.id=id;
			this.regionname=regionname;
		}
		
		public final String getRegionName() {
			return regionname;
		}
		
		public final int getRegionID() {
			return id;
		}
		
		public String toString() {
			return regionname;
		}
	}