HELP: Still having trouble getting arrays :(

[Psyclone]

I'm still having trouble getting my array from one class into another class and can't figure out what I'm doing wrong.

I've included part of the code below and highlighted the sections in red where I'm having trouble.

I'm trying to read an element (CardIDDuringGame) from the array silverAndGoldDecks, which I created and populated in the class CardArray, while I'm in the class MapArray. I need to modify the array map based on values in one of the elements of silverAndGoldDecks.

How can I do this correctly?

public class Main
{
    public static void main(String[] args)
            throws FileNotFoundException, BiffException, IOException, WriteException
    {
        Random randomGenerator = new Random();
        int randomMap = randomGenerator.nextInt(695)+1;

        MapArray mapArray = new MapArray();
        CardArray masterList = new CardArray();
        CardArray silverAndGoldDeck = new CardArray();

        int castlePosition = mapArray.buildMapArray(randomMap);
        masterList.buildMasterArray();
        silverAndGoldDeck.buildSilverAndGoldArrays(1,2,castlePosition);
        [B][COLOR="Red"]mapArray.addDeckPositionsToMap();[/COLOR][/B]

        mapArray.displayMapArray();
        masterList.displayMasterArray();
        silverAndGoldDeck.displaySilverArray();
        silverAndGoldDeck.displayGoldArray();
    }
}

public class MapArray
{
    int silverGoldCastlePositions = 0;
    MapProperties[] map = new MapProperties[501];
    CardArray silverAndGold = new CardArray();

    public MapArray()
        {
        for(int i=0; i < map.length; i++)
            {
            map[i] = new MapProperties();
            }
        }


    public int buildMapArray(int mapNumber) throws IOException, BiffException, WriteException
        {
        File inputWorkbook = new File("Map.xls");
	Workbook workbook;
        try
            {
            workbook = Workbook.getWorkbook(inputWorkbook);
            Sheet mapSheet0 = workbook.getSheet(0);
            int x = 0;
            for(int i = 0; i < 501; i++)
                {
                if(i < 86)
                    {
                    Cell cellValue0 = mapSheet0.getCell(i+6, mapNumber);
                    x = Integer.valueOf(cellValue0.getContents()).intValue();
                    if(x == 9)
                        {
                        map[i].setCardOccupying(100);
                        System.out.println("Silver Castle i = "+(i+1)*100);
                        silverGoldCastlePositions += (i+1)*100;
                        }
                    else if(x == 10)
                        {
                        map[i].setCardOccupying(200);
                        System.out.println("Gold Castle i = "+(i+1));
                        silverGoldCastlePositions += i+1;
                        }
                    }
                else
                    x = 0;
                map[i].setMapPosition(i+1);
                map[i].setTerrainType(x);
                }
            }
        catch (BiffException e)
            {
            e.printStackTrace();
            }
        return silverGoldCastlePositions;
	}

[COLOR="Red"][B]    public void addDeckPositionsToMap()
        {
[COLOR="SeaGreen"]        // how do i get getSilverAndGoldDecks?[/COLOR]
        CardProperties[] silverAndGold = new CardProperties();  // doesn't work
        silverAndGold.getSilverAndGoldDecks();  // doesn't work
[COLOR="SeaGreen"]        // Modify getSilverAndGoldDecks[/COLOR]
        }[/B][/COLOR]


    public int[] getMapTerrain()
        {
        int[] terrain = new int[86];
        for(int i = 0; i < 86; i++)
            {
            terrain[i] = map[i].getTerrainType()+47*i;
            System.out.println("map pos = "+map[i].getMapPosition());
            }
        return terrain;
        }

    public void displayMapArray()
        {
        for(int i = 0; i < map.length; i++)
            {
            System.out.println(map[i].getMapProperties());
            }
        }

}

public class CardArray
{
    int silverGoldCastlePositions;

    CardProperties[] card = new CardProperties[506];
    CardProperties[] silverAndGoldDecks = new CardProperties[200];
    int[] mapPositions = new int[86];

    public CardArray()
        {
        for(int i=0; i < card.length; i++)
            {
            card[i] = new CardProperties();
            }
        for(int i=0; i < silverAndGoldDecks.length; i++)
            {
            silverAndGoldDecks[i] = new CardProperties();
            }
        }

    ......
 
    public void buildSilverAndGoldArrays(int player1, int player2, int castlePosition)
                                 throws IOException, BiffException, WriteException
        {
        File inputMasterListWorkbook = new File("Master List.xls");
        File inputPlayerListWorkbook = new File("Player List.xls");
	Workbook workbookMasterList;
        Workbook workbookPlayerList;

	try
 
       .......

[COLOR="SeaGreen"]       // build array named silverAndGoldDecks[/COLOR]

       .......

        catch (BiffException e)
            {
            e.printStackTrace();
            }
	} 
 
    public CardProperties[] getSilverAndGoldDecks()
        {
        return this.silverAndGoldDecks;
        }

}

public class CardProperties
{
    public int cardIDDuringGame;
    ...
    public int position;


    public void setCardIDDuringGame(int CardIDDuringGame)
        {
        cardIDDuringGame = CardIDDuringGame;
        }
    ...
    public void setPosition(int Position)
        {
        position = Position;
        }


    public int getCardIDDuringGame()
        {
        return cardIDDuringGame;
        }
    ...
    public int getPosition()
        {
        return position;
        }
}

public class MapProperties
{
    public int mapPosition;
    public int terrainType;
    public int cardOccupying;


    public void setMapPosition(int MapPosition)
        {
        mapPosition = MapPosition;
        }
    public void setTerrainType(int TerrainType)
        {
        terrainType = TerrainType;
        }
    public void setCardOccupying(int CardOccupying)
        {
        cardOccupying = CardOccupying;
        }


    public int getMapPosition()
        {
        return mapPosition;
        }
    public int getTerrainType()
        {
        return terrainType;
        }
    public int getCardOccupying()
        {
        return cardOccupying;
        }
    public String getMapProperties()
        {
        return mapPosition + "   " + terrainType + "   " + cardOccupying;
        }
}

[FlyNn]

public void addDeckPositionsToMap()
        {
        // how do i get getSilverAndGoldDecks?
        CardProperties[] silverAndGold = new CardProperties[];  // doesn't work
        silverAndGold.getSilverAndGoldDecks();  // doesn't work
        // Modify getSilverAndGoldDecks
        }

I have chaged this line [code]CardProperties[] silverAndGold = new CardProperties[]; // doesn't work[/code/]
instead of () i changed []...try that

EDIT:

Sorry my mistake...didnt read the code properly. *Checking again*

[Fubarable]

I'm not sure what exactly your program is trying to do, but one way to possibly have shared references is to pass a CardArray object to MapArray via a constructor parameter like so:

public class MapArray
{
    int silverGoldCastlePositions = 0;
    MapProperties[] map = new MapProperties[501];
    CardArray silverAndGold;

    public MapArray(CardArray silverAndGold)
    {
        this.silverAndGold = silverAndGold;
        for(int i=0; i < map.length; i++)
            {
            map[i] = new MapProperties();
            }
    }

Then in the main method, you create the CardArray object first, and pass it to MapArray.

public class Main
{
    public static void main(String[] args)
            throws FileNotFoundException, BiffException, IOException, WriteException
    {
        Random randomGenerator = new Random();
        int randomMap = randomGenerator.nextInt(695)+1;

        //MapArray mapArray = new MapArray();
        CardArray masterList = new CardArray();
        CardArray silverAndGoldDeck = new CardArray();
        MapArray mapArray = new MapArray(silverAndGoldDeck);

[Psyclone]

Fubarable,

I'm not sure what exactly your program is trying to do, but one way to possibly have shared references is to pass a CardArray object to MapArray via a constructor parameter like so:

public class MapArray
{
    int silverGoldCastlePositions = 0;
    MapProperties[] map = new MapProperties[501];
    CardArray silverAndGold;

    public MapArray(CardArray silverAndGold)
    {
        this.silverAndGold = silverAndGold;
        for(int i=0; i < map.length; i++)
            {
            map[i] = new MapProperties();
            }
    }

Then in the main method, you create the CardArray object first, and pass it to MapArray.

public class Main
{
    public static void main(String[] args)
            throws FileNotFoundException, BiffException, IOException, WriteException
    {
        Random randomGenerator = new Random();
        int randomMap = randomGenerator.nextInt(695)+1;

        //MapArray mapArray = new MapArray();
        CardArray masterList = new CardArray();
        CardArray silverAndGoldDeck = new CardArray();
        MapArray mapArray = new MapArray(silverAndGoldDeck);

THANK YOU! THANK YOU! THANK YOU!

This seems to have solved my problem. I'm finally able to pass my arrays into my GUI and can now begin working on the GUI further.

[Fubarable]

You're welcome.