HashMap get comes back with null even tho key is in it

I’m trying to create a swing chessboard with icons and i have trouble with putting the icons onto the JButtons using a HashMap.
Here are the classes that i’m working with:

Main Class

public class GameGUI  extends JFrame {
    private JButton tiles[][] = new JButton[8][8];
    private HashMap<PieceKey, ImageIcon> icons = new HashMap<>();

    public GameGUI(){
        //swing shenannigans

        initImages();

        Tile[][] fenTiles = game.getFen().getTiles();
        for(int row = 0; row <= 7; row++){
            for(int column = 0; column <= 7; column++){
                Piece piece = fenTiles[row][column].getPiece();
                if(piece != null) {
                    tiles[row][column].setIcon(icons.get(new PieceKey(piece.getType(), piece.getColor())));
                }
            }
        }


    }

    public void initImages(){
        icons.put(new PieceKey(PieceType.pawn, Team.white), new ImageIcon("pieces/wpawn.png"));
        //.....
        }

    public static void main(String args[]){
        GameGUI asd = new GameGUI();
    }
}

PieceKey class

public class PieceKey {
    PieceType type;  //enum
    Team color;      //enum

    public PieceKey(PieceType type, Team color) {
        this.color = color;
        this.type = type;
    }
    
    @Override
    public boolean equals(Object o){
        if(this == o)
            return true;
        if(!(o instanceof PieceType))
            return false;
        PieceKey key = (PieceKey) o;
        return this.type == key.type && this.color == key.color;
    }

    @Override
    public int hashCode(){
        return type.toString().hashCode() * color.toString().length();
    }
}

Team enum

public enum Team {
    white, black;
}

PieceType enum

public enum PieceType {
    pawn, rook, knight, bishop, king, queen;
}

My problem is that whenever i call

icons.get(new PieceKey(piece.getType(), piece.getColor()));

It return null, so i cant put the icons onto the buttons, it works fine if i do it manually so the problem is with the HashMap. I tried to override the equals and the hashcode function in the PieceKey class but it doesn’t seem to work.

>Solution :

The problem may be in your PieceKey equals method. You are using incorrectly PieceType while using instanceof:

@Override
public boolean equals(Object o){
    if(this == o)
        return true;
    // Please, note this, it will always return false, and the `Map`
    // `equals` method for `get` and `put` will not work
    if(!(o instanceof PieceType))
        return false;
     PieceKey key = (PieceKey) o;
     return this.type == key.type && this.color == key.color;
}

If should be:

@Override
public boolean equals(Object o){
    if(this == o)
        return true;
    // Please, note this
    if(!(o instanceof PieceKey))
        return false;
     PieceKey key = (PieceKey) o;
     return this.type == key.type && this.color == key.color;
}