private void printHelp() {
        System.out.println("");
        System.out.println("Cards are inputted by giving the two-character representation of them.");
        System.out.println("The first letter represents the rank, and the second represents the suit.");
        System.out.println("Possible ranks: A, 2, 3, 4, 5, 6, 7, 8, 9, T, J, Q, K");
        System.out.println("Possible suits: h, d, c, s");
        System.out.println("");
        System.out.println("Examples:");
        System.out.println("Ace of spades: As");
        System.out.println("Ten of diamonds: Td");
        System.out.println("Queen of hearts: Qh");
        System.out.println("Nine of clubs: 9c");
        System.out.println("");
        System.out.println("When inputting multiple cards at the same time, the cards have to be");
        System.out.println("separated by a comma. For instance, to enter a hand containing the");
        System.out.println("Jack of clubs and the deuce of diamonds, one would enter Jc, 2c");
        System.out.println("The space after the comma is not necessary.");
        System.out.println("");
        System.out.print("Press any key to return to the main menu.");
        scanner.nextLine();
    }