@Override
    public Object getValueAt(int rowIndex, int columnIndex) {
        Playlist playlist = dados.get(rowIndex);

        switch (columnIndex) {
            case 0:
                return playlist.getName();
            case 1:
                return playlist.getdateCreationString();
            case 2:
                return playlist.getSize();
            case 3:
               if (playlist.getShared()){
                return Boolean.TRUE;
                } else return Boolean.FALSE;
            
            default:
                return "Error";
        }

    }