private void displayHelp(String helpType){
        
        String helpText = null;
        switch (helpType){
            case HelpMenuView.BOARD: helpText = 
                "\t The game board for Memory. It consists of a grid of \n\t cards. "
                + "\n\tEach card has a value. Players select cards in an effort to "
                + "\n\tfind pairs of matching card values; the player with the most "
                + "\n\tmatching pairs wins the game. The default board is 4 rows"
                + "\n\tby 4 columns.";
                break;
                
            case HelpMenuView.GAME: helpText = 
                "\tThe objective of the game is to find more pairs of cards with"
                + "\n\t matching values than the other player. Each player"
                + "\n\t takes turns selecting pairs of cards in search of"
                + "\n\tmatching values. When all the cards have been matched"
                + "\n\t the player that found the most matched pairs wins.";
                break;
                
            case HelpMenuView.PLAYER: helpText = 
                "\t A player takes their turn by selecting two cards from the board; "
                + "\n\tif the cards are a match, the player selects two more"
                + "\n\t cards. The turn ends when the player selects two "
                + "\n\t cards that are not a match or when all the cards "
                + "\n\t have been matched.";
                break;
        }
    
        StringBuilder dividerLine = new StringBuilder(80);
        for (int i = 0; i < 80; i++) {
            dividerLine.insert(i, '~');
        }
        
        System.out.println("\t" + dividerLine.toString());
        System.out.println(helpText);
        System.out.println("\t" + dividerLine.toString());
    }