Java Cart ItemGroupDBUtil java

package cart.dbUtils;

import cart.ItemSizeColor;
import cart.ItemBuilder;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.ListIterator;

//ItemGroupDBUtil
//copyright - Lawrence Truett - FluffyCat.com
//date - August 11, 2003 - San Diego, CA
public class ItemGroupDBUtil {
    
    public static long[] getItemsInGroup(long key, DBConnection dbc) {
        try {
            Connection connection = dbc.getConnection();
            PreparedStatement preparedStatement =
            connection.prepareStatement(
                "Select * from itemGroup where groupKey = ?");
            preparedStatement.setLong(1, key);
            ResultSet resultSet = preparedStatement.executeQuery();   
            ArrayList arrayList = new ArrayList();
            //unfortunately, you cant get the size of a result set, so 
            //we put it all into an ArrayList just to get it's size, 
            //and then we can define an int array and put all the data 
            //into that.
            while (resultSet.next()) {               
                arrayList.add(new Long(resultSet.getLong(2)));
                //group item
            }
            resultSet.close();
            preparedStatement.close();            
            
            long[] longArrayToReturn = new long[arrayList.size()];
            
            ListIterator listIterator = arrayList.listIterator();
            int counter = 0;
            while (listIterator.hasNext()) {
                longArrayToReturn[counter++] = 
                    ((Long)listIterator.next()).longValue();
            }
            
            return longArrayToReturn;
        } catch (java.sql.SQLException sqlException) {
            System.out.println(
                "The following error occured in "+
                "ItemSizeColorDBUtil.getItemSizeColorForItemKey: " + 
                sqlException);
        }
        return null;
    }
    
    public static void insert(long groupKey, 
                              long itemKey, 
                              Connection connection) {
        try {
            PreparedStatement preparedStatement =
            connection.prepareStatement(
                "INSERT INTO itemGroup values(?,?);");
            preparedStatement.setLong(1, groupKey);
            preparedStatement.setLong(2, itemKey);
            preparedStatement.execute();
            preparedStatement.close();
        } catch (java.sql.SQLException sqlException) {
            System.out.println("The following error occured in "+
                "ItemGroupDBUtil.insert: " + 
                sqlException);
        }
    }
}